./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/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_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/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_7bded471-72e0-455a-8466-63d9bd609ae0/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 678d0822783009bcb35d951b8e726d754b85c570b149dafb90ced3b5185856fb
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 05:12:15,006 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 05:12:15,089 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2024-11-09 05:12:15,095 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 05:12:15,096 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 05:12:15,121 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 05:12:15,122 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 05:12:15,123 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 05:12:15,123 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 05:12:15,124 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 05:12:15,124 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2024-11-09 05:12:15,125 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 05:12:15,125 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2024-11-09 05:12:15,126 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 05:12:15,126 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2024-11-09 05:12:15,126 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2024-11-09 05:12:15,127 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 05:12:15,127 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2024-11-09 05:12:15,128 INFO  L153        SettingsManager]:  * Interval Domain=false
[2024-11-09 05:12:15,128 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 05:12:15,129 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2024-11-09 05:12:15,135 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2024-11-09 05:12:15,136 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 05:12:15,136 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 05:12:15,136 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 05:12:15,136 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 05:12:15,137 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 05:12:15,137 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 05:12:15,137 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 05:12:15,138 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 05:12:15,140 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 05:12:15,140 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-09 05:12:15,141 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 05:12:15,141 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-09 05:12:15,142 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 05:12:15,142 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 05:12:15,142 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 05:12:15,143 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 05:12:15,143 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 05:12:15,143 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 05:12:15,144 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 05:12:15,144 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 05:12:15,144 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 05:12:15,145 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 05:12:15,145 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 05:12:15,145 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 05:12:15,146 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2024-11-09 05:12:15,146 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 05:12:15,146 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_7bded471-72e0-455a-8466-63d9bd609ae0/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_7bded471-72e0-455a-8466-63d9bd609ae0/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 -> 678d0822783009bcb35d951b8e726d754b85c570b149dafb90ced3b5185856fb
[2024-11-09 05:12:15,481 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 05:12:15,516 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 05:12:15,521 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 05:12:15,522 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 05:12:15,523 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 05:12:15,524 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i
Unable to find full path for "g++"
[2024-11-09 05:12:17,673 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 05:12:17,966 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 05:12:17,966 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i
[2024-11-09 05:12:17,983 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/data/46ceb4436/5e3c492312d948acaa18fcbfe1dbe639/FLAG7d2c33578
[2024-11-09 05:12:18,000 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/data/46ceb4436/5e3c492312d948acaa18fcbfe1dbe639
[2024-11-09 05:12:18,006 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 05:12:18,008 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 05:12:18,010 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 05:12:18,012 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 05:12:18,018 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 05:12:18,019 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:12:18" (1/1) ...
[2024-11-09 05:12:18,020 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e925e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:18, skipping insertion in model container
[2024-11-09 05:12:18,021 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:12:18" (1/1) ...
[2024-11-09 05:12:18,091 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 05:12:18,827 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 05:12:18,865 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 05:12:18,945 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 05:12:19,059 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 05:12:19,060 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19 WrapperNode
[2024-11-09 05:12:19,060 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 05:12:19,061 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 05:12:19,062 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 05:12:19,062 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 05:12:19,071 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,106 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,155 INFO  L138                Inliner]: procedures = 267, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 262
[2024-11-09 05:12:19,156 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 05:12:19,157 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 05:12:19,157 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 05:12:19,157 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 05:12:19,171 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,171 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,181 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,182 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,209 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,218 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,221 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,223 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,227 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 05:12:19,228 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 05:12:19,228 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 05:12:19,228 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-09 05:12:19,234 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (1/1) ...
[2024-11-09 05:12:19,244 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 05:12:19,259 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 05:12:19,283 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 05:12:19,290 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bded471-72e0-455a-8466-63d9bd609ae0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 05:12:19,332 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-09 05:12:19,332 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-09 05:12:19,332 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-09 05:12:19,332 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-09 05:12:19,333 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-09 05:12:19,333 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-09 05:12:19,333 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 05:12:19,333 INFO  L130     BoogieDeclarations]: Found specification of procedure cleaner
[2024-11-09 05:12:19,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleaner
[2024-11-09 05:12:19,334 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-09 05:12:19,334 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-11-09 05:12:19,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-11-09 05:12:19,334 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 05:12:19,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 05:12:19,338 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 05:12:19,553 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-09 05:12:19,556 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 05:12:20,246 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-09 05:12:20,247 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-09 05:12:20,359 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 05:12:20,359 INFO  L316             CfgBuilder]: Removed 5 assume(true) statements.
[2024-11-09 05:12:20,360 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:20 BoogieIcfgContainer
[2024-11-09 05:12:20,364 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 05:12:20,373 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 05:12:20,373 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 05:12:20,395 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 05:12:20,396 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:12:18" (1/3) ...
[2024-11-09 05:12:20,397 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c63319b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:20, skipping insertion in model container
[2024-11-09 05:12:20,397 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:19" (2/3) ...
[2024-11-09 05:12:20,397 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c63319b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:20, skipping insertion in model container
[2024-11-09 05:12:20,397 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:20" (3/3) ...
[2024-11-09 05:12:20,403 INFO  L112   eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-2.i
[2024-11-09 05:12:20,434 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 05:12:20,434 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations.
[2024-11-09 05:12:20,434 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-09 05:12:20,536 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-09 05:12:20,596 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 446 places, 455 transitions, 924 flow
[2024-11-09 05:12:25,211 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 119260 states, 118416 states have (on average 3.0108515741116064) internal successors, (356533), 119259 states have internal predecessors, (356533), 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 05:12:25,308 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 05:12:25,336 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;@66cc17af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 05:12:25,337 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 51 error locations.
[2024-11-09 05:12:25,497 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 119260 states, 118416 states have (on average 3.0108515741116064) internal successors, (356533), 119259 states have internal predecessors, (356533), 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 05:12:25,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-09 05:12:25,512 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:12:25,513 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 05:12:25,514 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 05:12:25,519 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:12:25,520 INFO  L85        PathProgramCache]: Analyzing trace with hash 1575765055, now seen corresponding path program 1 times
[2024-11-09 05:12:25,530 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:12:25,531 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110358635]
[2024-11-09 05:12:25,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:12:25,532 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:12:25,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:12:26,036 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 05:12:26,037 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:12:26,037 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110358635]
[2024-11-09 05:12:26,038 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110358635] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:12:26,039 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:12:26,039 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:12:26,041 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429995206]
[2024-11-09 05:12:26,042 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:12:26,046 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:12:26,047 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:12:26,079 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:12:26,080 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:12:26,418 INFO  L87              Difference]: Start difference. First operand  has 119260 states, 118416 states have (on average 3.0108515741116064) internal successors, (356533), 119259 states have internal predecessors, (356533), 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 05:12:30,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:12:30,727 INFO  L93              Difference]: Finished difference Result 233281 states and 699589 transitions.
[2024-11-09 05:12:30,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:12:30,730 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 05:12:30,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:12:32,432 INFO  L225             Difference]: With dead ends: 233281
[2024-11-09 05:12:32,432 INFO  L226             Difference]: Without dead ends: 114164
[2024-11-09 05:12:32,685 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 05:12:32,689 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 05:12:32,691 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 05:12:32,919 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114164 states.
[2024-11-09 05:12:37,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114164 to 114164.
[2024-11-09 05:12:37,439 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114164 states, 113386 states have (on average 2.9522868784506024) internal successors, (334748), 114163 states have internal predecessors, (334748), 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 05:12:38,440 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114164 states to 114164 states and 334748 transitions.
[2024-11-09 05:12:38,813 INFO  L78                 Accepts]: Start accepts. Automaton has 114164 states and 334748 transitions. Word has length 140
[2024-11-09 05:12:38,818 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:12:38,818 INFO  L471      AbstractCegarLoop]: Abstraction has 114164 states and 334748 transitions.
[2024-11-09 05:12:38,819 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 05:12:38,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 114164 states and 334748 transitions.
[2024-11-09 05:12:38,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2024-11-09 05:12:38,824 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:12:38,826 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 05:12:38,826 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 05:12:38,827 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 05:12:38,828 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:12:38,828 INFO  L85        PathProgramCache]: Analyzing trace with hash 1259359084, now seen corresponding path program 1 times
[2024-11-09 05:12:38,830 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:12:38,830 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538903578]
[2024-11-09 05:12:38,831 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:12:38,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:12:38,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:12:39,088 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 05:12:39,089 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:12:39,089 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538903578]
[2024-11-09 05:12:39,089 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538903578] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:12:39,090 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:12:39,093 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:12:39,093 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022870280]
[2024-11-09 05:12:39,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:12:39,097 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:12:39,098 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:12:39,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:12:39,105 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:12:39,105 INFO  L87              Difference]: Start difference. First operand 114164 states and 334748 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 05:12:41,319 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:12:41,319 INFO  L93              Difference]: Finished difference Result 114164 states and 334748 transitions.
[2024-11-09 05:12:41,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:12:41,320 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 05:12:41,320 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:12:42,253 INFO  L225             Difference]: With dead ends: 114164
[2024-11-09 05:12:42,254 INFO  L226             Difference]: Without dead ends: 110807
[2024-11-09 05:12:42,339 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 05:12:42,343 INFO  L432           NwaCegarLoop]: 341 mSDtfsCounter, 214 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 05:12:42,344 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 05:12:42,603 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110807 states.
[2024-11-09 05:12:45,834 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110807 to 110807.
[2024-11-09 05:12:46,048 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110807 states, 110164 states have (on average 2.949511637195454) internal successors, (324930), 110806 states have internal predecessors, (324930), 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 05:12:47,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110807 states to 110807 states and 324930 transitions.
[2024-11-09 05:12:47,553 INFO  L78                 Accepts]: Start accepts. Automaton has 110807 states and 324930 transitions. Word has length 144
[2024-11-09 05:12:47,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:12:47,554 INFO  L471      AbstractCegarLoop]: Abstraction has 110807 states and 324930 transitions.
[2024-11-09 05:12:47,555 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 05:12:47,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 110807 states and 324930 transitions.
[2024-11-09 05:12:47,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2024-11-09 05:12:47,559 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:12:47,559 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 05:12:47,560 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 05:12:47,560 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 05:12:47,561 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:12:47,561 INFO  L85        PathProgramCache]: Analyzing trace with hash -756177279, now seen corresponding path program 1 times
[2024-11-09 05:12:47,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:12:47,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655881534]
[2024-11-09 05:12:47,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:12:47,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:12:47,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:12:47,710 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 05:12:47,711 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:12:47,711 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655881534]
[2024-11-09 05:12:47,712 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655881534] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:12:47,712 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:12:47,712 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:12:47,713 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789736334]
[2024-11-09 05:12:47,713 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:12:47,714 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:12:47,714 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:12:47,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:12:47,716 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:12:47,716 INFO  L87              Difference]: Start difference. First operand 110807 states and 324930 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 05:12:49,662 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:12:49,664 INFO  L93              Difference]: Finished difference Result 110807 states and 324930 transitions.
[2024-11-09 05:12:49,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:12:49,668 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 05:12:49,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:12:50,209 INFO  L225             Difference]: With dead ends: 110807
[2024-11-09 05:12:50,210 INFO  L226             Difference]: Without dead ends: 110806
[2024-11-09 05:12:50,237 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 05:12:50,238 INFO  L432           NwaCegarLoop]: 346 mSDtfsCounter, 2 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 05:12:50,239 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 05:12:50,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110806 states.
[2024-11-09 05:12:53,484 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110806 to 110806.
[2024-11-09 05:12:53,650 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110806 states, 110164 states have (on average 2.949502559819905) internal successors, (324929), 110805 states have internal predecessors, (324929), 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 05:12:54,069 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110806 states to 110806 states and 324929 transitions.
[2024-11-09 05:12:54,256 INFO  L78                 Accepts]: Start accepts. Automaton has 110806 states and 324929 transitions. Word has length 157
[2024-11-09 05:12:54,256 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:12:54,257 INFO  L471      AbstractCegarLoop]: Abstraction has 110806 states and 324929 transitions.
[2024-11-09 05:12:54,257 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 05:12:54,257 INFO  L276                IsEmpty]: Start isEmpty. Operand 110806 states and 324929 transitions.
[2024-11-09 05:12:54,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-09 05:12:54,260 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:12:54,260 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 05:12:54,260 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-09 05:12:54,261 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 05:12:54,261 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:12:54,261 INFO  L85        PathProgramCache]: Analyzing trace with hash 234318031, now seen corresponding path program 1 times
[2024-11-09 05:12:54,262 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:12:54,262 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197230383]
[2024-11-09 05:12:54,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:12:54,263 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:12:54,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:12:54,393 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 05:12:54,393 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:12:54,394 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197230383]
[2024-11-09 05:12:54,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197230383] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:12:54,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:12:54,394 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:12:54,395 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039612062]
[2024-11-09 05:12:54,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:12:54,395 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:12:54,396 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:12:54,396 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:12:54,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:12:54,397 INFO  L87              Difference]: Start difference. First operand 110806 states and 324929 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 05:12:56,267 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:12:56,267 INFO  L93              Difference]: Finished difference Result 110806 states and 324929 transitions.
[2024-11-09 05:12:56,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:12:56,268 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 05:12:56,269 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:12:56,957 INFO  L225             Difference]: With dead ends: 110806
[2024-11-09 05:12:56,957 INFO  L226             Difference]: Without dead ends: 110805
[2024-11-09 05:12:56,999 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 05:12:57,001 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 05:12:57,001 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 05:12:57,218 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110805 states.
[2024-11-09 05:13:00,683 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110805 to 110805.
[2024-11-09 05:13:00,840 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110805 states, 110164 states have (on average 2.9494934824443555) internal successors, (324928), 110804 states have internal predecessors, (324928), 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 05:13:01,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110805 states to 110805 states and 324928 transitions.
[2024-11-09 05:13:01,417 INFO  L78                 Accepts]: Start accepts. Automaton has 110805 states and 324928 transitions. Word has length 169
[2024-11-09 05:13:01,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:13:01,418 INFO  L471      AbstractCegarLoop]: Abstraction has 110805 states and 324928 transitions.
[2024-11-09 05:13:01,418 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 05:13:01,419 INFO  L276                IsEmpty]: Start isEmpty. Operand 110805 states and 324928 transitions.
[2024-11-09 05:13:01,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2024-11-09 05:13:01,421 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:13:01,422 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 05:13:01,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-09 05:13:01,422 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 05:13:01,423 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:13:01,423 INFO  L85        PathProgramCache]: Analyzing trace with hash -443785218, now seen corresponding path program 1 times
[2024-11-09 05:13:01,423 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:13:01,424 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722831069]
[2024-11-09 05:13:01,424 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:13:01,424 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:13:01,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:13:01,546 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 05:13:01,546 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:13:01,547 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722831069]
[2024-11-09 05:13:01,547 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722831069] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:13:01,547 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:13:01,547 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:13:01,547 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711300738]
[2024-11-09 05:13:01,548 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:13:01,548 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:13:01,548 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:13:01,549 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:13:01,550 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:13:01,550 INFO  L87              Difference]: Start difference. First operand 110805 states and 324928 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 05:13:03,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:13:03,651 INFO  L93              Difference]: Finished difference Result 110805 states and 324928 transitions.
[2024-11-09 05:13:03,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:13:03,652 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 05:13:03,652 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:13:04,318 INFO  L225             Difference]: With dead ends: 110805
[2024-11-09 05:13:04,318 INFO  L226             Difference]: Without dead ends: 110804
[2024-11-09 05:13:04,356 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 05:13:04,357 INFO  L432           NwaCegarLoop]: 344 mSDtfsCounter, 2 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 05:13:04,358 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 05:13:04,530 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110804 states.
[2024-11-09 05:13:08,125 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110804 to 110804.
[2024-11-09 05:13:08,288 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110804 states, 110164 states have (on average 2.9494844050688065) internal successors, (324927), 110803 states have internal predecessors, (324927), 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 05:13:08,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110804 states to 110804 states and 324927 transitions.
[2024-11-09 05:13:08,867 INFO  L78                 Accepts]: Start accepts. Automaton has 110804 states and 324927 transitions. Word has length 178
[2024-11-09 05:13:08,868 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 05:13:08,868 INFO  L471      AbstractCegarLoop]: Abstraction has 110804 states and 324927 transitions.
[2024-11-09 05:13:08,868 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 05:13:08,868 INFO  L276                IsEmpty]: Start isEmpty. Operand 110804 states and 324927 transitions.
[2024-11-09 05:13:08,871 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-09 05:13:08,871 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 05:13:08,871 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 05:13:08,871 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 05:13:08,872 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 05:13:08,873 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 05:13:08,873 INFO  L85        PathProgramCache]: Analyzing trace with hash -1967694816, now seen corresponding path program 1 times
[2024-11-09 05:13:08,873 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 05:13:08,873 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517443855]
[2024-11-09 05:13:08,874 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 05:13:08,874 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 05:13:08,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 05:13:08,997 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 05:13:08,998 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 05:13:08,998 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517443855]
[2024-11-09 05:13:08,999 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517443855] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 05:13:08,999 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 05:13:08,999 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 05:13:08,999 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258353522]
[2024-11-09 05:13:09,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 05:13:09,000 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 05:13:09,000 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 05:13:09,001 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 05:13:09,001 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 05:13:09,002 INFO  L87              Difference]: Start difference. First operand 110804 states and 324927 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 05:13:11,103 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 05:13:11,104 INFO  L93              Difference]: Finished difference Result 112806 states and 330787 transitions.
[2024-11-09 05:13:11,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 05:13:11,105 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 05:13:11,105 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 05:13:11,650 INFO  L225             Difference]: With dead ends: 112806
[2024-11-09 05:13:11,651 INFO  L226             Difference]: Without dead ends: 100875
[2024-11-09 05:13:11,708 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 05:13:11,709 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 05:13:11,709 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 05:13:11,868 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100875 states.