./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12fde76b4484c87975ec3c2c6c513458a595d4b258864aadbba7a9ba15d60c4e
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 05:57:43,189 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 05:57:43,255 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2024-11-09 05:57:43,260 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 05:57:43,260 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 05:57:43,289 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 05:57:43,293 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 05:57:43,294 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 05:57:43,294 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 05:57:43,295 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 05:57:43,295 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2024-11-09 05:57:43,297 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 05:57:43,297 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2024-11-09 05:57:43,302 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 05:57:43,302 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2024-11-09 05:57:43,303 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2024-11-09 05:57:43,303 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 05:57:43,305 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2024-11-09 05:57:43,305 INFO  L153        SettingsManager]:  * Interval Domain=false
[2024-11-09 05:57:43,305 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 05:57:43,306 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2024-11-09 05:57:43,307 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2024-11-09 05:57:43,308 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 05:57:43,308 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 05:57:43,309 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 05:57:43,309 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 05:57:43,310 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 05:57:43,310 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 05:57:43,310 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 05:57:43,311 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 05:57:43,311 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 05:57:43,312 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-09 05:57:43,312 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 05:57:43,313 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-09 05:57:43,313 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 05:57:43,314 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 05:57:43,314 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 05:57:43,314 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 05:57:43,315 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 05:57:43,315 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 05:57:43,315 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 05:57:43,316 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 05:57:43,316 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 05:57:43,316 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 05:57:43,317 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 05:57:43,317 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 05:57:43,318 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2024-11-09 05:57:43,318 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 05:57:43,318 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
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_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/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_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje
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 -> Taipan
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 -> 12fde76b4484c87975ec3c2c6c513458a595d4b258864aadbba7a9ba15d60c4e
[2024-11-09 05:57:43,643 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 05:57:43,674 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 05:57:43,680 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 05:57:43,681 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 05:57:43,682 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 05:57:43,683 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i
Unable to find full path for "g++"
[2024-11-09 05:57:45,734 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 05:57:46,017 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 05:57:46,022 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-4.i
[2024-11-09 05:57:46,052 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/data/4f8020657/cc7f9cfb26024afaa6863188b151a4cc/FLAGdc4c4547f
[2024-11-09 05:57:46,069 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/data/4f8020657/cc7f9cfb26024afaa6863188b151a4cc
[2024-11-09 05:57:46,072 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 05:57:46,073 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 05:57:46,075 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 05:57:46,075 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 05:57:46,082 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 05:57:46,083 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:46,084 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f76402f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46, skipping insertion in model container
[2024-11-09 05:57:46,084 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:46,158 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 05:57:46,759 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 05:57:46,781 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 05:57:46,839 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 05:57:46,908 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 05:57:46,909 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46 WrapperNode
[2024-11-09 05:57:46,909 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 05:57:46,910 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 05:57:46,911 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 05:57:46,911 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 05:57:46,919 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:46,940 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:46,979 INFO  L138                Inliner]: procedures = 267, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 262
[2024-11-09 05:57:46,980 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 05:57:46,980 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 05:57:46,981 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 05:57:46,981 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 05:57:46,992 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:46,992 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:46,999 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,000 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,014 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,019 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,021 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,023 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,028 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 05:57:47,029 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 05:57:47,029 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 05:57:47,030 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-09 05:57:47,030 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (1/1) ...
[2024-11-09 05:57:47,040 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 05:57:47,053 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 05:57:47,073 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 05:57:47,082 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca8fc1-634b-43a8-a83c-e38992581e15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 05:57:47,105 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-09 05:57:47,105 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-09 05:57:47,105 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-09 05:57:47,105 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-09 05:57:47,105 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-09 05:57:47,106 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-09 05:57:47,106 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 05:57:47,106 INFO  L130     BoogieDeclarations]: Found specification of procedure cleaner
[2024-11-09 05:57:47,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleaner
[2024-11-09 05:57:47,106 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-09 05:57:47,106 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-11-09 05:57:47,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-11-09 05:57:47,107 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 05:57:47,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 05:57:47,109 WARN  L207             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-09 05:57:47,296 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-09 05:57:47,301 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 05:57:47,969 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-09 05:57:47,970 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-09 05:57:48,032 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 05:57:48,033 INFO  L316             CfgBuilder]: Removed 5 assume(true) statements.
[2024-11-09 05:57:48,033 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:57:48 BoogieIcfgContainer
[2024-11-09 05:57:48,033 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 05:57:48,036 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 05:57:48,036 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 05:57:48,040 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 05:57:48,040 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:57:46" (1/3) ...
[2024-11-09 05:57:48,041 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ee93ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:57:48, skipping insertion in model container
[2024-11-09 05:57:48,041 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:46" (2/3) ...
[2024-11-09 05:57:48,041 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ee93ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:57:48, skipping insertion in model container
[2024-11-09 05:57:48,041 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:57:48" (3/3) ...
[2024-11-09 05:57:48,043 INFO  L112   eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-4.i
[2024-11-09 05:57:48,062 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 05:57:48,062 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations.
[2024-11-09 05:57:48,062 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-09 05:57:48,191 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-09 05:57:48,239 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 446 places, 455 transitions, 924 flow
[2024-11-09 05:57:52,853 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 119233 states, 118389 states have (on average 3.0110821106690655) internal successors, (356479), 119232 states have internal predecessors, (356479), 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)
[2024-11-09 05:57:52,902 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 05:57:52,909 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=FINITE_AUTOMATA, 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;@7efe5f38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 05:57:52,910 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 51 error locations.
[2024-11-09 05:57:53,225 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 119233 states, 118389 states have (on average 3.0110821106690655) internal successors, (356479), 119232 states have internal predecessors, (356479), 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)
[2024-11-09 05:57:53,238 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-09 05:57:53,240 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:57:53,243 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 05:57:53,243 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-09 05:57:53,254 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:57:53,255 INFO  L85        PathProgramCache]: Analyzing trace with hash -856138896, now seen corresponding path program 1 times
[2024-11-09 05:57:53,266 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:57:53,266 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816685106]
[2024-11-09 05:57:53,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:57:53,268 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:57:53,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:57:53,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 05:57:53,836 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:57:53,837 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816685106]
[2024-11-09 05:57:53,838 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816685106] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:57:53,838 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:57:53,838 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:57:53,841 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719018535]
[2024-11-09 05:57:53,842 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:57:53,847 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:57:53,848 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:57:53,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:57:53,882 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:57:54,054 INFO  L87              Difference]: Start difference. First operand  has 119233 states, 118389 states have (on average 3.0110821106690655) internal successors, (356479), 119232 states have internal predecessors, (356479), 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) Second operand  has 3 states, 2 states have (on average 70.0) internal successors, (140), 3 states have internal predecessors, (140), 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)
[2024-11-09 05:57:57,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:57:57,816 INFO  L93              Difference]: Finished difference Result 233227 states and 699481 transitions.
[2024-11-09 05:57:57,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:57:57,818 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 70.0) internal successors, (140), 3 states have internal predecessors, (140), 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) Word has length 140
[2024-11-09 05:57:57,819 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:57:58,967 INFO  L225             Difference]: With dead ends: 233227
[2024-11-09 05:57:58,968 INFO  L226             Difference]: Without dead ends: 114137
[2024-11-09 05:57:59,258 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:57:59,262 INFO  L432           NwaCegarLoop]: 355 mSDtfsCounter, 2 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 05:57:59,263 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 683 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 05:57:59,560 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114137 states.
[2024-11-09 05:58:03,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114137 to 114137.
[2024-11-09 05:58:03,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114137 states, 113359 states have (on average 2.9525136954278) internal successors, (334694), 114136 states have internal predecessors, (334694), 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)
[2024-11-09 05:58:04,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114137 states to 114137 states and 334694 transitions.
[2024-11-09 05:58:05,187 INFO  L78                 Accepts]: Start accepts. Automaton has 114137 states and 334694 transitions. Word has length 140
[2024-11-09 05:58:05,188 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:58:05,188 INFO  L471      AbstractCegarLoop]: Abstraction has 114137 states and 334694 transitions.
[2024-11-09 05:58:05,188 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 70.0) internal successors, (140), 3 states have internal predecessors, (140), 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)
[2024-11-09 05:58:05,189 INFO  L276                IsEmpty]: Start isEmpty. Operand 114137 states and 334694 transitions.
[2024-11-09 05:58:05,193 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2024-11-09 05:58:05,194 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:58:05,194 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 05:58:05,195 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 05:58:05,195 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-09 05:58:05,196 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:58:05,197 INFO  L85        PathProgramCache]: Analyzing trace with hash -1695758689, now seen corresponding path program 1 times
[2024-11-09 05:58:05,197 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:58:05,197 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7768680]
[2024-11-09 05:58:05,198 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:58:05,198 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:58:05,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:58:05,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 05:58:05,450 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:58:05,450 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7768680]
[2024-11-09 05:58:05,451 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7768680] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:58:05,451 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:58:05,451 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:58:05,451 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453156491]
[2024-11-09 05:58:05,451 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:58:05,453 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:58:05,454 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:58:05,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:58:05,455 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:05,455 INFO  L87              Difference]: Start difference. First operand 114137 states and 334694 transitions. Second operand  has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 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)
[2024-11-09 05:58:07,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:58:07,562 INFO  L93              Difference]: Finished difference Result 114137 states and 334694 transitions.
[2024-11-09 05:58:07,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:58:07,563 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 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) Word has length 144
[2024-11-09 05:58:07,563 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:58:08,280 INFO  L225             Difference]: With dead ends: 114137
[2024-11-09 05:58:08,280 INFO  L226             Difference]: Without dead ends: 110780
[2024-11-09 05:58:08,327 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:08,328 INFO  L432           NwaCegarLoop]: 341 mSDtfsCounter, 214 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 05:58:08,329 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 481 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 05:58:08,487 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110780 states.
[2024-11-09 05:58:10,912 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110780 to 110780.
[2024-11-09 05:58:11,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110780 states, 110137 states have (on average 2.94974440923577) internal successors, (324876), 110779 states have internal predecessors, (324876), 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)
[2024-11-09 05:58:12,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110780 states to 110780 states and 324876 transitions.
[2024-11-09 05:58:12,349 INFO  L78                 Accepts]: Start accepts. Automaton has 110780 states and 324876 transitions. Word has length 144
[2024-11-09 05:58:12,349 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:58:12,349 INFO  L471      AbstractCegarLoop]: Abstraction has 110780 states and 324876 transitions.
[2024-11-09 05:58:12,350 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 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)
[2024-11-09 05:58:12,350 INFO  L276                IsEmpty]: Start isEmpty. Operand 110780 states and 324876 transitions.
[2024-11-09 05:58:12,353 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2024-11-09 05:58:12,354 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:58:12,354 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 05:58:12,354 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 05:58:12,354 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-09 05:58:12,355 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:58:12,355 INFO  L85        PathProgramCache]: Analyzing trace with hash 890186727, now seen corresponding path program 1 times
[2024-11-09 05:58:12,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:58:12,356 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454220305]
[2024-11-09 05:58:12,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:58:12,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:58:12,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:58:12,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 05:58:12,481 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:58:12,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454220305]
[2024-11-09 05:58:12,482 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454220305] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:58:12,482 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:58:12,482 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:58:12,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798896303]
[2024-11-09 05:58:12,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:58:12,483 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:58:12,484 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:58:12,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:58:12,485 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:12,485 INFO  L87              Difference]: Start difference. First operand 110780 states and 324876 transitions. Second operand  has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 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)
[2024-11-09 05:58:14,241 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:58:14,242 INFO  L93              Difference]: Finished difference Result 110780 states and 324876 transitions.
[2024-11-09 05:58:14,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:58:14,245 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 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) Word has length 157
[2024-11-09 05:58:14,245 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:58:14,863 INFO  L225             Difference]: With dead ends: 110780
[2024-11-09 05:58:14,864 INFO  L226             Difference]: Without dead ends: 110779
[2024-11-09 05:58:14,893 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:14,899 INFO  L432           NwaCegarLoop]: 346 mSDtfsCounter, 2 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 05:58:14,900 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 677 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 05:58:15,052 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110779 states.
[2024-11-09 05:58:17,768 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110779 to 110779.
[2024-11-09 05:58:17,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110779 states, 110137 states have (on average 2.949735329634909) internal successors, (324875), 110778 states have internal predecessors, (324875), 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)
[2024-11-09 05:58:18,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110779 states to 110779 states and 324875 transitions.
[2024-11-09 05:58:18,413 INFO  L78                 Accepts]: Start accepts. Automaton has 110779 states and 324875 transitions. Word has length 157
[2024-11-09 05:58:18,413 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:58:18,413 INFO  L471      AbstractCegarLoop]: Abstraction has 110779 states and 324875 transitions.
[2024-11-09 05:58:18,414 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 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)
[2024-11-09 05:58:18,414 INFO  L276                IsEmpty]: Start isEmpty. Operand 110779 states and 324875 transitions.
[2024-11-09 05:58:18,416 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-09 05:58:18,416 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:58:18,417 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 05:58:18,417 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-09 05:58:18,417 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-09 05:58:18,417 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:58:18,418 INFO  L85        PathProgramCache]: Analyzing trace with hash -808195597, now seen corresponding path program 1 times
[2024-11-09 05:58:18,418 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:58:18,419 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29063250]
[2024-11-09 05:58:18,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:58:18,419 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:58:18,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:58:18,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 05:58:18,555 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:58:18,555 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29063250]
[2024-11-09 05:58:18,555 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29063250] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:58:18,555 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:58:18,555 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:58:18,556 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788738707]
[2024-11-09 05:58:18,556 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:58:18,556 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:58:18,556 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:58:18,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:58:18,560 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:18,561 INFO  L87              Difference]: Start difference. First operand 110779 states and 324875 transitions. Second operand  has 3 states, 2 states have (on average 84.5) internal successors, (169), 3 states have internal predecessors, (169), 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)
[2024-11-09 05:58:20,255 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:58:20,255 INFO  L93              Difference]: Finished difference Result 110779 states and 324875 transitions.
[2024-11-09 05:58:20,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:58:20,256 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 84.5) internal successors, (169), 3 states have internal predecessors, (169), 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) Word has length 169
[2024-11-09 05:58:20,257 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:58:20,887 INFO  L225             Difference]: With dead ends: 110779
[2024-11-09 05:58:20,887 INFO  L226             Difference]: Without dead ends: 110778
[2024-11-09 05:58:20,925 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:20,926 INFO  L432           NwaCegarLoop]: 345 mSDtfsCounter, 2 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 05:58:20,927 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 672 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 05:58:21,128 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110778 states.
[2024-11-09 05:58:24,380 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110778 to 110778.
[2024-11-09 05:58:24,517 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110778 states, 110137 states have (on average 2.9497262500340486) internal successors, (324874), 110777 states have internal predecessors, (324874), 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)
[2024-11-09 05:58:24,846 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110778 states to 110778 states and 324874 transitions.
[2024-11-09 05:58:24,998 INFO  L78                 Accepts]: Start accepts. Automaton has 110778 states and 324874 transitions. Word has length 169
[2024-11-09 05:58:24,998 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:58:24,999 INFO  L471      AbstractCegarLoop]: Abstraction has 110778 states and 324874 transitions.
[2024-11-09 05:58:24,999 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 84.5) internal successors, (169), 3 states have internal predecessors, (169), 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)
[2024-11-09 05:58:24,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 110778 states and 324874 transitions.
[2024-11-09 05:58:25,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2024-11-09 05:58:25,000 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:58:25,001 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 05:58:25,001 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-09 05:58:25,001 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-09 05:58:25,002 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:58:25,002 INFO  L85        PathProgramCache]: Analyzing trace with hash -1560139658, now seen corresponding path program 1 times
[2024-11-09 05:58:25,002 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:58:25,002 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290018780]
[2024-11-09 05:58:25,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:58:25,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:58:25,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:58:25,112 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 05:58:25,112 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:58:25,112 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290018780]
[2024-11-09 05:58:25,112 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290018780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:58:25,113 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:58:25,113 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:58:25,113 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261696313]
[2024-11-09 05:58:25,113 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:58:25,114 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:58:25,114 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:58:25,115 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:58:25,115 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:25,115 INFO  L87              Difference]: Start difference. First operand 110778 states and 324874 transitions. Second operand  has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 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)
[2024-11-09 05:58:26,767 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:58:26,767 INFO  L93              Difference]: Finished difference Result 110778 states and 324874 transitions.
[2024-11-09 05:58:26,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:58:26,768 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 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) Word has length 178
[2024-11-09 05:58:26,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:58:27,410 INFO  L225             Difference]: With dead ends: 110778
[2024-11-09 05:58:27,410 INFO  L226             Difference]: Without dead ends: 110777
[2024-11-09 05:58:27,444 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:27,446 INFO  L432           NwaCegarLoop]: 344 mSDtfsCounter, 2 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 05:58:27,446 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 667 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 05:58:27,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110777 states.
[2024-11-09 05:58:30,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110777 to 110777.
[2024-11-09 05:58:30,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110777 states, 110137 states have (on average 2.9497171704331877) internal successors, (324873), 110776 states have internal predecessors, (324873), 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)
[2024-11-09 05:58:31,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110777 states to 110777 states and 324873 transitions.
[2024-11-09 05:58:31,493 INFO  L78                 Accepts]: Start accepts. Automaton has 110777 states and 324873 transitions. Word has length 178
[2024-11-09 05:58:31,493 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:58:31,494 INFO  L471      AbstractCegarLoop]: Abstraction has 110777 states and 324873 transitions.
[2024-11-09 05:58:31,494 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 89.0) internal successors, (178), 3 states have internal predecessors, (178), 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)
[2024-11-09 05:58:31,494 INFO  L276                IsEmpty]: Start isEmpty. Operand 110777 states and 324873 transitions.
[2024-11-09 05:58:31,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-09 05:58:31,496 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:58:31,496 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 05:58:31,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 05:58:31,497 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-09 05:58:31,497 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:58:31,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -715050896, now seen corresponding path program 1 times
[2024-11-09 05:58:31,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:58:31,498 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446816231]
[2024-11-09 05:58:31,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:58:31,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:58:31,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:58:31,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 05:58:31,630 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:58:31,633 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446816231]
[2024-11-09 05:58:31,633 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446816231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:58:31,633 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:58:31,633 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:58:31,634 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538146126]
[2024-11-09 05:58:31,634 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:58:31,634 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:58:31,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:58:31,635 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:58:31,635 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:31,636 INFO  L87              Difference]: Start difference. First operand 110777 states and 324873 transitions. Second operand  has 3 states, 2 states have (on average 93.0) internal successors, (186), 3 states have internal predecessors, (186), 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)
[2024-11-09 05:58:33,338 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:58:33,339 INFO  L93              Difference]: Finished difference Result 112779 states and 330733 transitions.
[2024-11-09 05:58:33,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:58:33,339 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 93.0) internal successors, (186), 3 states have internal predecessors, (186), 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) Word has length 186
[2024-11-09 05:58:33,340 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:58:33,896 INFO  L225             Difference]: With dead ends: 112779
[2024-11-09 05:58:33,896 INFO  L226             Difference]: Without dead ends: 100848
[2024-11-09 05:58:33,949 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:58:33,951 INFO  L432           NwaCegarLoop]: 421 mSDtfsCounter, 169 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 05:58:33,952 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 683 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 05:58:34,108 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100848 states.