./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/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_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/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_6882b8d4-159d-413c-a9f0-79285c8a1537/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 71b70db56146daaa7371fed58b975e1add8fa8ab54b0a1b08c677a431a619350
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:20:59,124 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:20:59,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-08 16:20:59,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:20:59,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:20:59,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:20:59,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:20:59,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:20:59,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:20:59,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:20:59,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:20:59,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:20:59,362 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:20:59,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:20:59,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:20:59,367 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:20:59,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:20:59,368 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:20:59,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:20:59,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:20:59,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:20:59,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:20:59,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-08 16:20:59,377 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:20:59,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:20:59,381 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:20:59,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:20:59,383 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:20:59,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:20:59,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:20:59,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:20:59,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:20:59,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:20:59,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:20:59,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:20:59,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:20:59,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:20:59,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:20:59,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:20:59,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:20:59,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:20:59,389 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_6882b8d4-159d-413c-a9f0-79285c8a1537/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b70db56146daaa7371fed58b975e1add8fa8ab54b0a1b08c677a431a619350
[2024-11-08 16:20:59,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:21:00,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:21:00,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:21:00,041 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:21:00,042 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:21:00,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i
Unable to find full path for "g++"
[2024-11-08 16:21:02,644 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:21:03,016 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:21:03,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i
[2024-11-08 16:21:03,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/data/031fd167d/dabd446fcef24d4c94f41263d77b5511/FLAG1b1ae62bd
[2024-11-08 16:21:03,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/data/031fd167d/dabd446fcef24d4c94f41263d77b5511
[2024-11-08 16:21:03,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:21:03,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:21:03,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:21:03,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:21:03,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:21:03,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:21:03" (1/1) ...
[2024-11-08 16:21:03,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61306a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:03, skipping insertion in model container
[2024-11-08 16:21:03,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:21:03" (1/1) ...
[2024-11-08 16:21:03,185 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:21:04,033 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:21:04,062 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:21:04,136 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:21:04,253 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:21:04,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04 WrapperNode
[2024-11-08 16:21:04,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:21:04,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:21:04,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:21:04,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:21:04,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,336 INFO L138 Inliner]: procedures = 365, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58
[2024-11-08 16:21:04,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:21:04,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:21:04,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:21:04,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:21:04,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:21:04,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:21:04,394 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:21:04,395 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:21:04,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (1/1) ...
[2024-11-08 16:21:04,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:21:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:21:04,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:21:04,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-08 16:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-08 16:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-08 16:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-08 16:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 16:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-08 16:21:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-08 16:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-08 16:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:21:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:21:04,481 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 16:21:04,669 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:21:04,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:21:04,960 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:21:04,961 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:21:04,997 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:21:04,997 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:21:04,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:21:04 BoogieIcfgContainer
[2024-11-08 16:21:04,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:21:05,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:21:05,002 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:21:05,007 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:21:05,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:21:03" (1/3) ...
[2024-11-08 16:21:05,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b55ef9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:21:05, skipping insertion in model container
[2024-11-08 16:21:05,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:04" (2/3) ...
[2024-11-08 16:21:05,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b55ef9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:21:05, skipping insertion in model container
[2024-11-08 16:21:05,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:21:04" (3/3) ...
[2024-11-08 16:21:05,011 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_26-malloc_struct.i
[2024-11-08 16:21:05,036 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:21:05,037 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations.
[2024-11-08 16:21:05,037 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:21:05,114 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 16:21:05,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 95 transitions, 194 flow
[2024-11-08 16:21:05,229 INFO L124 PetriNetUnfolderBase]: 0/94 cut-off events.
[2024-11-08 16:21:05,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:21:05,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 94 events. 0/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-08 16:21:05,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 95 transitions, 194 flow
[2024-11-08 16:21:05,240 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 94 transitions, 191 flow
[2024-11-08 16:21:05,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:21:05,262 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;@3c7658a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:21:05,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2024-11-08 16:21:05,271 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:21:05,271 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events.
[2024-11-08 16:21:05,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:21:05,272 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:05,273 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:21:05,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:05,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:05,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1486570224, now seen corresponding path program 1 times
[2024-11-08 16:21:05,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:05,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013068382]
[2024-11-08 16:21:05,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:05,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:05,607 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 16:21:05,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:05,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013068382]
[2024-11-08 16:21:05,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013068382] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:05,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:05,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:21:05,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815395514]
[2024-11-08 16:21:05,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:05,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:21:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:05,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:21:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:21:05,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 95
[2024-11-08 16:21:05,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 94 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 16:21:05,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:05,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 95
[2024-11-08 16:21:05,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:05,874 INFO L124 PetriNetUnfolderBase]: 16/229 cut-off events.
[2024-11-08 16:21:05,875 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-08 16:21:05,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 229 events. 16/229 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 740 event pairs, 16 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 240. Up to 46 conditions per place.
[2024-11-08 16:21:05,881 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 13 selfloop transitions, 2 changer transitions 0/93 dead transitions.
[2024-11-08 16:21:05,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 93 transitions, 219 flow
[2024-11-08 16:21:05,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:21:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:21:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions.
[2024-11-08 16:21:05,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.887719298245614
[2024-11-08 16:21:05,907 INFO L175 Difference]: Start difference. First operand has 98 places, 94 transitions, 191 flow. Second operand 3 states and 253 transitions.
[2024-11-08 16:21:05,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 93 transitions, 219 flow
[2024-11-08 16:21:05,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 93 transitions, 218 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:21:05,918 INFO L231 Difference]: Finished difference. Result has 98 places, 93 transitions, 192 flow
[2024-11-08 16:21:05,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=98, PETRI_TRANSITIONS=93}
[2024-11-08 16:21:05,926 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 0 predicate places.
[2024-11-08 16:21:05,926 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 93 transitions, 192 flow
[2024-11-08 16:21:05,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 16:21:05,927 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:05,928 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]
[2024-11-08 16:21:05,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:21:05,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:05,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:05,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1118414709, now seen corresponding path program 1 times
[2024-11-08 16:21:05,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:05,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269205558]
[2024-11-08 16:21:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:05,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:06,150 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 16:21:06,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:06,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269205558]
[2024-11-08 16:21:06,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269205558] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:06,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:06,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:21:06,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497363171]
[2024-11-08 16:21:06,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:06,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:21:06,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:06,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:21:06,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:21:06,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 95
[2024-11-08 16:21:06,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 93 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 16:21:06,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:06,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 95
[2024-11-08 16:21:06,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:06,365 INFO L124 PetriNetUnfolderBase]: 24/301 cut-off events.
[2024-11-08 16:21:06,365 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-08 16:21:06,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 301 events. 24/301 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1307 event pairs, 24 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 343. Up to 61 conditions per place.
[2024-11-08 16:21:06,369 INFO L140 encePairwiseOnDemand]: 90/95 looper letters, 13 selfloop transitions, 1 changer transitions 0/89 dead transitions.
[2024-11-08 16:21:06,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 89 transitions, 212 flow
[2024-11-08 16:21:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:21:06,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:21:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions.
[2024-11-08 16:21:06,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8736842105263158
[2024-11-08 16:21:06,375 INFO L175 Difference]: Start difference. First operand has 98 places, 93 transitions, 192 flow. Second operand 3 states and 249 transitions.
[2024-11-08 16:21:06,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 89 transitions, 212 flow
[2024-11-08 16:21:06,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 89 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:21:06,382 INFO L231 Difference]: Finished difference. Result has 94 places, 89 transitions, 182 flow
[2024-11-08 16:21:06,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=94, PETRI_TRANSITIONS=89}
[2024-11-08 16:21:06,387 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, -4 predicate places.
[2024-11-08 16:21:06,387 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 89 transitions, 182 flow
[2024-11-08 16:21:06,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 16:21:06,388 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:06,388 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]
[2024-11-08 16:21:06,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:21:06,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:06,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash -794414378, now seen corresponding path program 1 times
[2024-11-08 16:21:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:06,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029121443]
[2024-11-08 16:21:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:07,256 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 16:21:07,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:07,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029121443]
[2024-11-08 16:21:07,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029121443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:07,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:07,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:21:07,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423524814]
[2024-11-08 16:21:07,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:07,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:21:07,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:07,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:21:07,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:21:07,561 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 95
[2024-11-08 16:21:07,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 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 16:21:07,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:07,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 95
[2024-11-08 16:21:07,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:07,991 INFO L124 PetriNetUnfolderBase]: 185/657 cut-off events.
[2024-11-08 16:21:07,992 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:21:07,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1064 conditions, 657 events. 185/657 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3570 event pairs, 52 based on Foata normal form. 0/617 useless extension candidates. Maximal degree in co-relation 1036. Up to 246 conditions per place.
[2024-11-08 16:21:07,999 INFO L140 encePairwiseOnDemand]: 79/95 looper letters, 47 selfloop transitions, 41 changer transitions 0/153 dead transitions.
[2024-11-08 16:21:08,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 153 transitions, 486 flow
[2024-11-08 16:21:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:21:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:21:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 515 transitions.
[2024-11-08 16:21:08,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9035087719298246
[2024-11-08 16:21:08,004 INFO L175 Difference]: Start difference. First operand has 94 places, 89 transitions, 182 flow. Second operand 6 states and 515 transitions.
[2024-11-08 16:21:08,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 153 transitions, 486 flow
[2024-11-08 16:21:08,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 153 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:21:08,011 INFO L231 Difference]: Finished difference. Result has 102 places, 131 transitions, 439 flow
[2024-11-08 16:21:08,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=439, PETRI_PLACES=102, PETRI_TRANSITIONS=131}
[2024-11-08 16:21:08,012 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 4 predicate places.
[2024-11-08 16:21:08,013 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 131 transitions, 439 flow
[2024-11-08 16:21:08,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 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 16:21:08,014 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:08,014 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]
[2024-11-08 16:21:08,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:21:08,015 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:08,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:08,016 INFO L85 PathProgramCache]: Analyzing trace with hash 662746690, now seen corresponding path program 1 times
[2024-11-08 16:21:08,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:08,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053538220]
[2024-11-08 16:21:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:08,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:08,605 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 16:21:08,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053538220]
[2024-11-08 16:21:08,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053538220] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:08,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:08,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:21:08,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548496360]
[2024-11-08 16:21:08,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:08,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:21:08,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:08,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:21:08,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:21:08,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 95
[2024-11-08 16:21:08,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 131 transitions, 439 flow. Second operand has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 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 16:21:08,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:08,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 95
[2024-11-08 16:21:08,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:09,354 INFO L124 PetriNetUnfolderBase]: 231/994 cut-off events.
[2024-11-08 16:21:09,355 INFO L125 PetriNetUnfolderBase]: For 291/338 co-relation queries the response was YES.
[2024-11-08 16:21:09,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 994 events. 231/994 cut-off events. For 291/338 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 6807 event pairs, 25 based on Foata normal form. 26/987 useless extension candidates. Maximal degree in co-relation 2036. Up to 180 conditions per place.
[2024-11-08 16:21:09,367 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 67 selfloop transitions, 32 changer transitions 0/190 dead transitions.
[2024-11-08 16:21:09,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 190 transitions, 869 flow
[2024-11-08 16:21:09,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:21:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:21:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 529 transitions.
[2024-11-08 16:21:09,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280701754385965
[2024-11-08 16:21:09,373 INFO L175 Difference]: Start difference. First operand has 102 places, 131 transitions, 439 flow. Second operand 6 states and 529 transitions.
[2024-11-08 16:21:09,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 190 transitions, 869 flow
[2024-11-08 16:21:09,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 190 transitions, 869 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 16:21:09,388 INFO L231 Difference]: Finished difference. Result has 112 places, 161 transitions, 741 flow
[2024-11-08 16:21:09,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=741, PETRI_PLACES=112, PETRI_TRANSITIONS=161}
[2024-11-08 16:21:09,390 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 14 predicate places.
[2024-11-08 16:21:09,390 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 161 transitions, 741 flow
[2024-11-08 16:21:09,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 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 16:21:09,391 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:09,391 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]
[2024-11-08 16:21:09,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:21:09,392 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:09,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:09,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1263126400, now seen corresponding path program 1 times
[2024-11-08 16:21:09,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:09,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437644556]
[2024-11-08 16:21:09,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:09,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:09,538 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 16:21:09,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437644556]
[2024-11-08 16:21:09,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437644556] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:09,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:09,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:21:09,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408004895]
[2024-11-08 16:21:09,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:09,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:21:09,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:09,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:21:09,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:21:09,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 95
[2024-11-08 16:21:09,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 161 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 16:21:09,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:09,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 95
[2024-11-08 16:21:09,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:09,674 INFO L124 PetriNetUnfolderBase]: 39/278 cut-off events.
[2024-11-08 16:21:09,674 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES.
[2024-11-08 16:21:09,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 278 events. 39/278 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 966 event pairs, 4 based on Foata normal form. 2/267 useless extension candidates. Maximal degree in co-relation 485. Up to 64 conditions per place.
[2024-11-08 16:21:09,679 INFO L140 encePairwiseOnDemand]: 91/95 looper letters, 2 selfloop transitions, 4 changer transitions 0/110 dead transitions.
[2024-11-08 16:21:09,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 110 transitions, 375 flow
[2024-11-08 16:21:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:21:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:21:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions.
[2024-11-08 16:21:09,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9649122807017544
[2024-11-08 16:21:09,681 INFO L175 Difference]: Start difference. First operand has 112 places, 161 transitions, 741 flow. Second operand 3 states and 275 transitions.
[2024-11-08 16:21:09,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 110 transitions, 375 flow
[2024-11-08 16:21:09,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 110 transitions, 333 flow, removed 13 selfloop flow, removed 8 redundant places.
[2024-11-08 16:21:09,693 INFO L231 Difference]: Finished difference. Result has 105 places, 110 transitions, 329 flow
[2024-11-08 16:21:09,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=105, PETRI_TRANSITIONS=110}
[2024-11-08 16:21:09,694 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 7 predicate places.
[2024-11-08 16:21:09,695 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 110 transitions, 329 flow
[2024-11-08 16:21:09,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 16:21:09,698 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:09,699 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]
[2024-11-08 16:21:09,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 16:21:09,699 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:09,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1313172452, now seen corresponding path program 1 times
[2024-11-08 16:21:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:09,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30076191]
[2024-11-08 16:21:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:09,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:10,333 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 16:21:10,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:10,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30076191]
[2024-11-08 16:21:10,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30076191] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:10,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:10,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:21:10,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675955090]
[2024-11-08 16:21:10,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:10,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:21:10,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:10,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:21:10,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:21:10,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 95
[2024-11-08 16:21:10,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 110 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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 16:21:10,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:10,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 95
[2024-11-08 16:21:10,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:11,005 INFO L124 PetriNetUnfolderBase]: 93/474 cut-off events.
[2024-11-08 16:21:11,006 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES.
[2024-11-08 16:21:11,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 474 events. 93/474 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2168 event pairs, 20 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 867. Up to 153 conditions per place.
[2024-11-08 16:21:11,010 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 34 selfloop transitions, 22 changer transitions 0/131 dead transitions.
[2024-11-08 16:21:11,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 131 transitions, 515 flow
[2024-11-08 16:21:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:21:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:21:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 497 transitions.
[2024-11-08 16:21:11,013 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8719298245614036
[2024-11-08 16:21:11,013 INFO L175 Difference]: Start difference. First operand has 105 places, 110 transitions, 329 flow. Second operand 6 states and 497 transitions.
[2024-11-08 16:21:11,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 131 transitions, 515 flow
[2024-11-08 16:21:11,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 131 transitions, 511 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:21:11,019 INFO L231 Difference]: Finished difference. Result has 114 places, 131 transitions, 507 flow
[2024-11-08 16:21:11,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=507, PETRI_PLACES=114, PETRI_TRANSITIONS=131}
[2024-11-08 16:21:11,020 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 16 predicate places.
[2024-11-08 16:21:11,020 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 131 transitions, 507 flow
[2024-11-08 16:21:11,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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 16:21:11,021 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:11,022 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]
[2024-11-08 16:21:11,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 16:21:11,022 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:11,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1654409923, now seen corresponding path program 1 times
[2024-11-08 16:21:11,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:11,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889930428]
[2024-11-08 16:21:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:11,439 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 16:21:11,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:11,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889930428]
[2024-11-08 16:21:11,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889930428] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:11,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:11,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:21:11,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440957584]
[2024-11-08 16:21:11,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:11,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:21:11,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:11,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:21:11,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:21:11,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 95
[2024-11-08 16:21:11,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 131 transitions, 507 flow. Second operand has 6 states, 6 states have (on average 73.83333333333333) internal successors, (443), 6 states have internal predecessors, (443), 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 16:21:11,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:11,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 95
[2024-11-08 16:21:11,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:12,203 INFO L124 PetriNetUnfolderBase]: 195/727 cut-off events.
[2024-11-08 16:21:12,203 INFO L125 PetriNetUnfolderBase]: For 309/315 co-relation queries the response was YES.
[2024-11-08 16:21:12,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 727 events. 195/727 cut-off events. For 309/315 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4010 event pairs, 12 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 1775. Up to 295 conditions per place.
[2024-11-08 16:21:12,211 INFO L140 encePairwiseOnDemand]: 80/95 looper letters, 56 selfloop transitions, 52 changer transitions 11/188 dead transitions.
[2024-11-08 16:21:12,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 188 transitions, 1014 flow
[2024-11-08 16:21:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:21:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:21:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 501 transitions.
[2024-11-08 16:21:12,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8789473684210526
[2024-11-08 16:21:12,215 INFO L175 Difference]: Start difference. First operand has 114 places, 131 transitions, 507 flow. Second operand 6 states and 501 transitions.
[2024-11-08 16:21:12,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 188 transitions, 1014 flow
[2024-11-08 16:21:12,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 188 transitions, 976 flow, removed 19 selfloop flow, removed 0 redundant places.
[2024-11-08 16:21:12,225 INFO L231 Difference]: Finished difference. Result has 124 places, 173 transitions, 931 flow
[2024-11-08 16:21:12,226 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=124, PETRI_TRANSITIONS=173}
[2024-11-08 16:21:12,227 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 26 predicate places.
[2024-11-08 16:21:12,227 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 173 transitions, 931 flow
[2024-11-08 16:21:12,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.83333333333333) internal successors, (443), 6 states have internal predecessors, (443), 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 16:21:12,228 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:12,228 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]
[2024-11-08 16:21:12,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 16:21:12,229 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:12,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:12,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1313883544, now seen corresponding path program 1 times
[2024-11-08 16:21:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:12,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669484390]
[2024-11-08 16:21:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:12,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:13,457 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 16:21:13,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669484390]
[2024-11-08 16:21:13,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669484390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:13,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:13,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 16:21:13,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106237044]
[2024-11-08 16:21:13,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:13,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 16:21:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:13,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 16:21:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2024-11-08 16:21:14,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 95
[2024-11-08 16:21:14,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 173 transitions, 931 flow. Second operand has 10 states, 10 states have (on average 67.3) internal successors, (673), 10 states have internal predecessors, (673), 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 16:21:14,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:14,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 95
[2024-11-08 16:21:14,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:14,564 INFO L124 PetriNetUnfolderBase]: 187/691 cut-off events.
[2024-11-08 16:21:14,564 INFO L125 PetriNetUnfolderBase]: For 720/750 co-relation queries the response was YES.
[2024-11-08 16:21:14,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2116 conditions, 691 events. 187/691 cut-off events. For 720/750 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3782 event pairs, 19 based on Foata normal form. 21/705 useless extension candidates. Maximal degree in co-relation 2068. Up to 131 conditions per place.
[2024-11-08 16:21:14,575 INFO L140 encePairwiseOnDemand]: 83/95 looper letters, 88 selfloop transitions, 36 changer transitions 16/220 dead transitions.
[2024-11-08 16:21:14,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 220 transitions, 1545 flow
[2024-11-08 16:21:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 16:21:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-08 16:21:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 712 transitions.
[2024-11-08 16:21:14,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7494736842105263
[2024-11-08 16:21:14,580 INFO L175 Difference]: Start difference. First operand has 124 places, 173 transitions, 931 flow. Second operand 10 states and 712 transitions.
[2024-11-08 16:21:14,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 220 transitions, 1545 flow
[2024-11-08 16:21:14,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 220 transitions, 1502 flow, removed 18 selfloop flow, removed 1 redundant places.
[2024-11-08 16:21:14,602 INFO L231 Difference]: Finished difference. Result has 138 places, 181 transitions, 1078 flow
[2024-11-08 16:21:14,603 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1078, PETRI_PLACES=138, PETRI_TRANSITIONS=181}
[2024-11-08 16:21:14,605 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 40 predicate places.
[2024-11-08 16:21:14,605 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 181 transitions, 1078 flow
[2024-11-08 16:21:14,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 67.3) internal successors, (673), 10 states have internal predecessors, (673), 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 16:21:14,607 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:14,607 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]
[2024-11-08 16:21:14,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 16:21:14,608 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:14,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:14,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1916998803, now seen corresponding path program 1 times
[2024-11-08 16:21:14,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:14,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354160115]
[2024-11-08 16:21:14,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:14,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:15,822 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 16:21:15,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:15,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354160115]
[2024-11-08 16:21:15,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354160115] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:15,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:15,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 16:21:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544186005]
[2024-11-08 16:21:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:15,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 16:21:15,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:15,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 16:21:15,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-08 16:21:16,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 95
[2024-11-08 16:21:16,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 181 transitions, 1078 flow. Second operand has 10 states, 10 states have (on average 68.7) internal successors, (687), 10 states have internal predecessors, (687), 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 16:21:16,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:16,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 95
[2024-11-08 16:21:16,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:17,238 INFO L124 PetriNetUnfolderBase]: 230/794 cut-off events.
[2024-11-08 16:21:17,238 INFO L125 PetriNetUnfolderBase]: For 1369/1411 co-relation queries the response was YES.
[2024-11-08 16:21:17,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 794 events. 230/794 cut-off events. For 1369/1411 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4565 event pairs, 8 based on Foata normal form. 28/818 useless extension candidates. Maximal degree in co-relation 2754. Up to 159 conditions per place.
[2024-11-08 16:21:17,249 INFO L140 encePairwiseOnDemand]: 79/95 looper letters, 116 selfloop transitions, 67 changer transitions 17/263 dead transitions.
[2024-11-08 16:21:17,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 263 transitions, 2090 flow
[2024-11-08 16:21:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 16:21:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 16:21:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 706 transitions.
[2024-11-08 16:21:17,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8257309941520468
[2024-11-08 16:21:17,254 INFO L175 Difference]: Start difference. First operand has 138 places, 181 transitions, 1078 flow. Second operand 9 states and 706 transitions.
[2024-11-08 16:21:17,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 263 transitions, 2090 flow
[2024-11-08 16:21:17,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 263 transitions, 2051 flow, removed 3 selfloop flow, removed 5 redundant places.
[2024-11-08 16:21:17,291 INFO L231 Difference]: Finished difference. Result has 144 places, 202 transitions, 1455 flow
[2024-11-08 16:21:17,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1455, PETRI_PLACES=144, PETRI_TRANSITIONS=202}
[2024-11-08 16:21:17,292 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 46 predicate places.
[2024-11-08 16:21:17,295 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 202 transitions, 1455 flow
[2024-11-08 16:21:17,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 68.7) internal successors, (687), 10 states have internal predecessors, (687), 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 16:21:17,296 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:17,296 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]
[2024-11-08 16:21:17,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 16:21:17,297 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:17,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:17,298 INFO L85 PathProgramCache]: Analyzing trace with hash -781584510, now seen corresponding path program 1 times
[2024-11-08 16:21:17,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:17,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310791642]
[2024-11-08 16:21:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:17,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:18,564 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 16:21:18,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310791642]
[2024-11-08 16:21:18,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310791642] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 16:21:18,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233762727]
[2024-11-08 16:21:18,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:18,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 16:21:18,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:18,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 16:21:18,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2024-11-08 16:21:19,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 95
[2024-11-08 16:21:19,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 202 transitions, 1455 flow. Second operand has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:19,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:19,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 95
[2024-11-08 16:21:19,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:19,747 INFO L124 PetriNetUnfolderBase]: 199/789 cut-off events.
[2024-11-08 16:21:19,748 INFO L125 PetriNetUnfolderBase]: For 2264/2344 co-relation queries the response was YES.
[2024-11-08 16:21:19,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 789 events. 199/789 cut-off events. For 2264/2344 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4648 event pairs, 21 based on Foata normal form. 43/825 useless extension candidates. Maximal degree in co-relation 2927. Up to 168 conditions per place.
[2024-11-08 16:21:19,756 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 93 selfloop transitions, 36 changer transitions 6/229 dead transitions.
[2024-11-08 16:21:19,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 229 transitions, 2041 flow
[2024-11-08 16:21:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-08 16:21:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2024-11-08 16:21:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 772 transitions.
[2024-11-08 16:21:19,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.738755980861244
[2024-11-08 16:21:19,760 INFO L175 Difference]: Start difference. First operand has 144 places, 202 transitions, 1455 flow. Second operand 11 states and 772 transitions.
[2024-11-08 16:21:19,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 229 transitions, 2041 flow
[2024-11-08 16:21:19,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 229 transitions, 1993 flow, removed 11 selfloop flow, removed 4 redundant places.
[2024-11-08 16:21:19,792 INFO L231 Difference]: Finished difference. Result has 152 places, 200 transitions, 1479 flow
[2024-11-08 16:21:19,794 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=1423, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1479, PETRI_PLACES=152, PETRI_TRANSITIONS=200}
[2024-11-08 16:21:19,795 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 54 predicate places.
[2024-11-08 16:21:19,797 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 200 transitions, 1479 flow
[2024-11-08 16:21:19,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:19,798 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:19,798 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]
[2024-11-08 16:21:19,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 16:21:19,799 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:19,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:19,800 INFO L85 PathProgramCache]: Analyzing trace with hash -720812794, now seen corresponding path program 2 times
[2024-11-08 16:21:19,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:19,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29816178]
[2024-11-08 16:21:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:20,690 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 16:21:20,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:20,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29816178]
[2024-11-08 16:21:20,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29816178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:20,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:20,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 16:21:20,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481173206]
[2024-11-08 16:21:20,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:20,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 16:21:20,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:20,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 16:21:20,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2024-11-08 16:21:21,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 95
[2024-11-08 16:21:21,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 200 transitions, 1479 flow. Second operand has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:21,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:21,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 95
[2024-11-08 16:21:21,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:21,759 INFO L124 PetriNetUnfolderBase]: 196/784 cut-off events.
[2024-11-08 16:21:21,759 INFO L125 PetriNetUnfolderBase]: For 2440/2490 co-relation queries the response was YES.
[2024-11-08 16:21:21,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2992 conditions, 784 events. 196/784 cut-off events. For 2440/2490 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4619 event pairs, 21 based on Foata normal form. 28/805 useless extension candidates. Maximal degree in co-relation 2959. Up to 168 conditions per place.
[2024-11-08 16:21:21,767 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 93 selfloop transitions, 34 changer transitions 7/228 dead transitions.
[2024-11-08 16:21:21,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 228 transitions, 2057 flow
[2024-11-08 16:21:21,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-08 16:21:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-08 16:21:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 837 transitions.
[2024-11-08 16:21:21,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7342105263157894
[2024-11-08 16:21:21,772 INFO L175 Difference]: Start difference. First operand has 152 places, 200 transitions, 1479 flow. Second operand 12 states and 837 transitions.
[2024-11-08 16:21:21,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 228 transitions, 2057 flow
[2024-11-08 16:21:21,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 228 transitions, 1975 flow, removed 5 selfloop flow, removed 10 redundant places.
[2024-11-08 16:21:21,810 INFO L231 Difference]: Finished difference. Result has 154 places, 198 transitions, 1455 flow
[2024-11-08 16:21:21,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=1401, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1455, PETRI_PLACES=154, PETRI_TRANSITIONS=198}
[2024-11-08 16:21:21,811 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 56 predicate places.
[2024-11-08 16:21:21,811 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 198 transitions, 1455 flow
[2024-11-08 16:21:21,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:21,812 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:21,812 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]
[2024-11-08 16:21:21,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-08 16:21:21,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:21,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:21,813 INFO L85 PathProgramCache]: Analyzing trace with hash -277143894, now seen corresponding path program 3 times
[2024-11-08 16:21:21,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:21,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241087241]
[2024-11-08 16:21:21,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:21,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:22,598 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 16:21:22,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:22,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241087241]
[2024-11-08 16:21:22,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241087241] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:22,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:22,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 16:21:22,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719913789]
[2024-11-08 16:21:22,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:22,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 16:21:22,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:22,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 16:21:22,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2024-11-08 16:21:23,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 95
[2024-11-08 16:21:23,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 198 transitions, 1455 flow. Second operand has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:23,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:23,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 95
[2024-11-08 16:21:23,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:24,176 INFO L124 PetriNetUnfolderBase]: 200/841 cut-off events.
[2024-11-08 16:21:24,177 INFO L125 PetriNetUnfolderBase]: For 2518/2539 co-relation queries the response was YES.
[2024-11-08 16:21:24,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3162 conditions, 841 events. 200/841 cut-off events. For 2518/2539 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5199 event pairs, 21 based on Foata normal form. 13/847 useless extension candidates. Maximal degree in co-relation 3128. Up to 243 conditions per place.
[2024-11-08 16:21:24,187 INFO L140 encePairwiseOnDemand]: 79/95 looper letters, 70 selfloop transitions, 42 changer transitions 12/218 dead transitions.
[2024-11-08 16:21:24,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 218 transitions, 1896 flow
[2024-11-08 16:21:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 16:21:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2024-11-08 16:21:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 911 transitions.
[2024-11-08 16:21:24,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7376518218623481
[2024-11-08 16:21:24,193 INFO L175 Difference]: Start difference. First operand has 154 places, 198 transitions, 1455 flow. Second operand 13 states and 911 transitions.
[2024-11-08 16:21:24,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 218 transitions, 1896 flow
[2024-11-08 16:21:24,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 218 transitions, 1790 flow, removed 7 selfloop flow, removed 11 redundant places.
[2024-11-08 16:21:24,247 INFO L231 Difference]: Finished difference. Result has 159 places, 204 transitions, 1566 flow
[2024-11-08 16:21:24,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=1379, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1566, PETRI_PLACES=159, PETRI_TRANSITIONS=204}
[2024-11-08 16:21:24,252 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 61 predicate places.
[2024-11-08 16:21:24,252 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 204 transitions, 1566 flow
[2024-11-08 16:21:24,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:24,254 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:24,254 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]
[2024-11-08 16:21:24,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-08 16:21:24,255 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:24,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash -66813786, now seen corresponding path program 4 times
[2024-11-08 16:21:24,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:24,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148270941]
[2024-11-08 16:21:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:24,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:21:25,237 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 16:21:25,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:21:25,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148270941]
[2024-11-08 16:21:25,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148270941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:21:25,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:21:25,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-08 16:21:25,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860876923]
[2024-11-08 16:21:25,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:21:25,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 16:21:25,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:21:25,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 16:21:25,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2024-11-08 16:21:25,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 95
[2024-11-08 16:21:25,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 204 transitions, 1566 flow. Second operand has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:25,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:21:25,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 95
[2024-11-08 16:21:25,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:21:26,591 INFO L124 PetriNetUnfolderBase]: 197/827 cut-off events.
[2024-11-08 16:21:26,592 INFO L125 PetriNetUnfolderBase]: For 2503/2523 co-relation queries the response was YES.
[2024-11-08 16:21:26,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3151 conditions, 827 events. 197/827 cut-off events. For 2503/2523 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5088 event pairs, 21 based on Foata normal form. 13/833 useless extension candidates. Maximal degree in co-relation 3117. Up to 170 conditions per place.
[2024-11-08 16:21:26,601 INFO L140 encePairwiseOnDemand]: 84/95 looper letters, 91 selfloop transitions, 37 changer transitions 7/229 dead transitions.
[2024-11-08 16:21:26,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 229 transitions, 2122 flow
[2024-11-08 16:21:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 16:21:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2024-11-08 16:21:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 898 transitions.
[2024-11-08 16:21:26,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7271255060728745
[2024-11-08 16:21:26,606 INFO L175 Difference]: Start difference. First operand has 159 places, 204 transitions, 1566 flow. Second operand 13 states and 898 transitions.
[2024-11-08 16:21:26,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 229 transitions, 2122 flow
[2024-11-08 16:21:26,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 229 transitions, 2069 flow, removed 11 selfloop flow, removed 8 redundant places.
[2024-11-08 16:21:26,646 INFO L231 Difference]: Finished difference. Result has 158 places, 199 transitions, 1552 flow
[2024-11-08 16:21:26,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=1507, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1552, PETRI_PLACES=158, PETRI_TRANSITIONS=199}
[2024-11-08 16:21:26,648 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 60 predicate places.
[2024-11-08 16:21:26,648 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 199 transitions, 1552 flow
[2024-11-08 16:21:26,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 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 16:21:26,651 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:21:26,651 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]
[2024-11-08 16:21:26,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-08 16:21:26,651 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-08 16:21:26,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:21:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1774965859, now seen corresponding path program 1 times
[2024-11-08 16:21:26,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:21:26,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287852223]
[2024-11-08 16:21:26,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:21:26,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:21:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:21:26,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:21:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:21:26,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:21:26,769 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:21:26,771 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining)
[2024-11-08 16:21:26,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining)
[2024-11-08 16:21:26,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining)
[2024-11-08 16:21:26,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining)
[2024-11-08 16:21:26,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining)
[2024-11-08 16:21:26,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining)
[2024-11-08 16:21:26,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining)
[2024-11-08 16:21:26,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining)
[2024-11-08 16:21:26,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining)
[2024-11-08 16:21:26,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining)
[2024-11-08 16:21:26,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining)
[2024-11-08 16:21:26,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining)
[2024-11-08 16:21:26,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining)
[2024-11-08 16:21:26,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining)
[2024-11-08 16:21:26,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-08 16:21:26,779 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:21:26,867 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 16:21:26,868 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:21:26,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:21:26 BasicIcfg
[2024-11-08 16:21:26,876 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:21:26,877 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:21:26,877 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:21:26,877 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:21:26,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:21:04" (3/4) ...
[2024-11-08 16:21:26,880 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 16:21:26,958 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:21:26,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:21:26,960 INFO L158 Benchmark]: Toolchain (without parser) took 23886.67ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 137.1MB in the beginning and 151.0MB in the end (delta: -13.8MB). Peak memory consumption was 181.0MB. Max. memory is 16.1GB.
[2024-11-08 16:21:26,960 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:21:26,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.73ms. Allocated memory is still 176.2MB. Free memory was 137.1MB in the beginning and 113.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-11-08 16:21:26,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.67ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 110.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:21:26,962 INFO L158 Benchmark]: Boogie Preprocessor took 55.36ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 108.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:21:26,962 INFO L158 Benchmark]: RCFGBuilder took 604.36ms. Allocated memory is still 176.2MB. Free memory was 108.8MB in the beginning and 90.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-11-08 16:21:26,963 INFO L158 Benchmark]: TraceAbstraction took 21874.31ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 89.9MB in the beginning and 157.3MB in the end (delta: -67.4MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB.
[2024-11-08 16:21:26,963 INFO L158 Benchmark]: Witness Printer took 81.78ms. Allocated memory is still 371.2MB. Free memory was 157.3MB in the beginning and 151.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 16:21:26,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1179.73ms. Allocated memory is still 176.2MB. Free memory was 137.1MB in the beginning and 113.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 81.67ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 110.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 55.36ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 108.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 604.36ms. Allocated memory is still 176.2MB. Free memory was 108.8MB in the beginning and 90.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 21874.31ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 89.9MB in the beginning and 157.3MB in the end (delta: -67.4MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB.
* Witness Printer took 81.78ms. Allocated memory is still 371.2MB. Free memory was 157.3MB in the beginning and 151.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 1245]: Data race detected
Data race detected
The following path leads to a data race:
[L1227] 0 data *d;
VAL [d={0:0}]
[L1228] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [d={0:0}, m={1:0}]
[L1237] 0 pthread_t id;
VAL [d={0:0}, m={1:0}]
[L1238] 0 data *z;
VAL [d={0:0}, m={1:0}]
[L1239] 0 d = malloc(sizeof(data))
VAL [d={-2:0}, m={1:0}]
[L1240] 0 z = d
VAL [d={-2:0}, m={1:0}, z={-2:0}]
[L1241] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [\old(arg)={0:0}, d={-2:0}, id=-1, m={1:0}, z={-2:0}]
[L1243] EXPR 0 d->x
VAL [\old(arg)={0:0}, d={-2:0}, id=-1, m={1:0}, z={-2:0}]
[L1243] 0 printf("%d\n",d->x)
VAL [\old(arg)={0:0}, d={-2:0}, id=-1, m={1:0}, z={-2:0}]
[L1245] EXPR 0 z->y
VAL [\old(arg)={0:0}, d={-2:0}, id=-1, m={1:0}, z={-2:0}]
[L1231] EXPR 1 d->x
VAL [\old(arg)={0:0}, arg={0:0}, d={-2:0}, m={1:0}]
[L1231] 1 d->x = 3
VAL [\old(arg)={0:0}, arg={0:0}, d={-2:0}, m={1:0}]
[L1232] EXPR 1 d->y
VAL [\old(arg)={0:0}, arg={0:0}, d={-2:0}, m={1:0}]
[L1232] 1 d->y = 8
VAL [\old(arg)={0:0}, arg={0:0}, d={-2:0}, m={1:0}]
[L1245] 0 printf("%d\n",z->y)
VAL [\old(arg)={0:0}, arg={0:0}, d={-2:0}, id=-1, m={1:0}, z={-2:0}]
Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements
* C: d->x = 3 [1231]
* C: d->x = 3 [1231]
* C: d = malloc(sizeof(data)) [1239]
* C: d->x = 3 [1231]
* C: d->y = 8 [1232]
* C: d->x = 3 [1231]
and
C: printf("%d\n",z->y) [1245]
- UnprovableResult [Line: 1239]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1240]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1243]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1243]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1241]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1231]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1231]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1232]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1232]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 129 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 21.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1464 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1060 mSDsluCounter, 424 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 360 mSDsCounter, 500 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4784 IncrementalHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 500 mSolverCounterUnsat, 64 mSDtfsCounter, 4784 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1566occurred in iteration=12, InterpolantAutomatonStates: 101, 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, 0.2s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 740 NumberOfCodeBlocks, 740 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 4135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 16:21:27,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6882b8d4-159d-413c-a9f0-79285c8a1537/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE