./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91 --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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 23:56:54,172 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 23:56:54,290 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2023-11-24 23:56:54,303 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 23:56:54,304 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-24 23:56:54,349 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 23:56:54,351 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-24 23:56:54,351 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-24 23:56:54,353 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 23:56:54,359 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-24 23:56:54,360 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-11-24 23:56:54,361 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-24 23:56:54,362 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-11-24 23:56:54,364 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-24 23:56:54,365 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-11-24 23:56:54,365 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-11-24 23:56:54,366 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-11-24 23:56:54,367 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-11-24 23:56:54,368 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-11-24 23:56:54,368 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-24 23:56:54,369 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-11-24 23:56:54,370 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-11-24 23:56:54,371 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 23:56:54,372 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-24 23:56:54,373 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-24 23:56:54,373 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-24 23:56:54,374 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-24 23:56:54,374 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 23:56:54,375 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 23:56:54,376 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 23:56:54,377 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 23:56:54,378 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-24 23:56:54,378 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-24 23:56:54,378 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-24 23:56:54,379 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-24 23:56:54,379 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 23:56:54,380 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 23:56:54,380 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-24 23:56:54,380 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-24 23:56:54,381 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 23:56:54,381 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 23:56:54,382 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 23:56:54,382 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-11-24 23:56:54,382 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 23:56:54,383 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-24 23:56:54,384 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 23:56:54,384 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-11-24 23:56:54,384 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-24 23:56:54,385 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_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/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_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91
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 -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5
[2023-11-24 23:56:54,802 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 23:56:54,836 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 23:56:54,840 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 23:56:54,841 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 23:56:54,842 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 23:56:54,843 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i
[2023-11-24 23:56:58,017 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 23:56:58,373 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 23:56:58,374 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i
[2023-11-24 23:56:58,395 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/data/5e3ce2105/abf594be03654f82920f3f5a30e0d899/FLAG4ded4bc7b
[2023-11-24 23:56:58,411 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/data/5e3ce2105/abf594be03654f82920f3f5a30e0d899
[2023-11-24 23:56:58,414 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 23:56:58,416 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 23:56:58,418 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 23:56:58,418 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 23:56:58,424 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 23:56:58,425 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:58" (1/1) ...
[2023-11-24 23:56:58,427 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ea1737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:58, skipping insertion in model container
[2023-11-24 23:56:58,427 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:58" (1/1) ...
[2023-11-24 23:56:58,508 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 23:56:58,915 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:56:58,934 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 23:56:58,989 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:56:59,037 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 23:56:59,038 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59 WrapperNode
[2023-11-24 23:56:59,038 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 23:56:59,039 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 23:56:59,040 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 23:56:59,040 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 23:56:59,049 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,066 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,101 INFO  L138                Inliner]: procedures = 164, calls = 65, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 151
[2023-11-24 23:56:59,102 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 23:56:59,103 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 23:56:59,103 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 23:56:59,103 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 23:56:59,115 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,115 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,120 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,121 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,133 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,136 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,139 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,141 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,146 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 23:56:59,148 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 23:56:59,160 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 23:56:59,161 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 23:56:59,162 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (1/1) ...
[2023-11-24 23:56:59,169 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-24 23:56:59,187 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/z3
[2023-11-24 23:56:59,206 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-24 23:56:59,228 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f879f3-cd11-4dcf-b4e0-e671daa52c51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-24 23:56:59,256 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-24 23:56:59,256 INFO  L130     BoogieDeclarations]: Found specification of procedure t2_fun
[2023-11-24 23:56:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2_fun
[2023-11-24 23:56:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-24 23:56:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-24 23:56:59,257 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-24 23:56:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-24 23:56:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2023-11-24 23:56:59,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2023-11-24 23:56:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-24 23:56:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-24 23:56:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-24 23:56:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 23:56:59,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 23:56:59,264 WARN  L213             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-24 23:56:59,482 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 23:56:59,485 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 23:56:59,921 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 23:57:00,086 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 23:57:00,088 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-24 23:57:00,090 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:00 BoogieIcfgContainer
[2023-11-24 23:57:00,090 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 23:57:00,095 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-24 23:57:00,096 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-24 23:57:00,099 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-24 23:57:00,100 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:58" (1/3) ...
[2023-11-24 23:57:00,101 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@807d7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:00, skipping insertion in model container
[2023-11-24 23:57:00,101 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:59" (2/3) ...
[2023-11-24 23:57:00,103 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@807d7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:00, skipping insertion in model container
[2023-11-24 23:57:00,104 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:00" (3/3) ...
[2023-11-24 23:57:00,105 INFO  L112   eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i
[2023-11-24 23:57:00,115 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-24 23:57:00,126 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-24 23:57:00,126 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations.
[2023-11-24 23:57:00,127 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-24 23:57:00,249 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-24 23:57:00,308 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 238 places, 239 transitions, 492 flow
[2023-11-24 23:57:04,587 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 136334 states, 136180 states have (on average 3.020384784843589) internal successors, (411316), 136333 states have internal predecessors, (411316), 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)
[2023-11-24 23:57:04,643 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-24 23:57:04,653 INFO  L357      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, mHoare=true, 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;@72e5b310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-24 23:57:04,654 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2023-11-24 23:57:04,848 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 136334 states, 136180 states have (on average 3.020384784843589) internal successors, (411316), 136333 states have internal predecessors, (411316), 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)
[2023-11-24 23:57:04,858 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2023-11-24 23:57:04,859 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-24 23:57:04,860 INFO  L195           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]
[2023-11-24 23:57:04,861 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2023-11-24 23:57:04,867 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:57:04,868 INFO  L85        PathProgramCache]: Analyzing trace with hash -1830062491, now seen corresponding path program 1 times
[2023-11-24 23:57:04,879 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-24 23:57:04,880 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461376363]
[2023-11-24 23:57:04,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 23:57:04,881 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:57:05,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:57:05,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:57:05,277 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-24 23:57:05,277 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461376363]
[2023-11-24 23:57:05,278 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461376363] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 23:57:05,278 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 23:57:05,279 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-24 23:57:05,280 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188650092]
[2023-11-24 23:57:05,280 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 23:57:05,285 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 23:57:05,285 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-24 23:57:05,319 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 23:57:05,320 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 23:57:05,604 INFO  L87              Difference]: Start difference. First operand  has 136334 states, 136180 states have (on average 3.020384784843589) internal successors, (411316), 136333 states have internal predecessors, (411316), 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 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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)
[2023-11-24 23:57:08,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-24 23:57:08,790 INFO  L93              Difference]: Finished difference Result 166561 states and 485794 transitions.
[2023-11-24 23:57:08,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 23:57:08,793 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44
[2023-11-24 23:57:08,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-24 23:57:10,476 INFO  L225             Difference]: With dead ends: 166561
[2023-11-24 23:57:10,477 INFO  L226             Difference]: Without dead ends: 164617
[2023-11-24 23:57:10,478 INFO  L412           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
[2023-11-24 23:57:10,482 INFO  L413           NwaCegarLoop]: 229 mSDtfsCounter, 158 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-24 23:57:10,483 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 382 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-24 23:57:10,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 164617 states.
[2023-11-24 23:57:15,198 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 164617 to 112816.
[2023-11-24 23:57:15,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112816 states, 112666 states have (on average 2.9260202723093034) internal successors, (329663), 112815 states have internal predecessors, (329663), 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)
[2023-11-24 23:57:17,075 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112816 states to 112816 states and 329663 transitions.
[2023-11-24 23:57:17,076 INFO  L78                 Accepts]: Start accepts. Automaton has 112816 states and 329663 transitions. Word has length 44
[2023-11-24 23:57:17,077 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-24 23:57:17,077 INFO  L495      AbstractCegarLoop]: Abstraction has 112816 states and 329663 transitions.
[2023-11-24 23:57:17,077 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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)
[2023-11-24 23:57:17,078 INFO  L276                IsEmpty]: Start isEmpty. Operand 112816 states and 329663 transitions.
[2023-11-24 23:57:17,089 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2023-11-24 23:57:17,089 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-24 23:57:17,090 INFO  L195           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]
[2023-11-24 23:57:17,091 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-24 23:57:17,092 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2023-11-24 23:57:17,095 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:57:17,095 INFO  L85        PathProgramCache]: Analyzing trace with hash -1224620823, now seen corresponding path program 1 times
[2023-11-24 23:57:17,095 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-24 23:57:17,096 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076692693]
[2023-11-24 23:57:17,096 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 23:57:17,097 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:57:17,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:57:17,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:57:17,240 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-24 23:57:17,240 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076692693]
[2023-11-24 23:57:17,241 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076692693] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 23:57:17,241 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 23:57:17,241 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-24 23:57:17,242 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935296133]
[2023-11-24 23:57:17,242 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 23:57:17,243 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 23:57:17,244 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-24 23:57:17,245 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 23:57:17,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 23:57:17,245 INFO  L87              Difference]: Start difference. First operand 112816 states and 329663 transitions. Second operand  has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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)
[2023-11-24 23:57:18,308 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-24 23:57:18,308 INFO  L93              Difference]: Finished difference Result 120410 states and 352137 transitions.
[2023-11-24 23:57:18,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 23:57:18,309 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49
[2023-11-24 23:57:18,310 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-24 23:57:19,595 INFO  L225             Difference]: With dead ends: 120410
[2023-11-24 23:57:19,595 INFO  L226             Difference]: Without dead ends: 120410
[2023-11-24 23:57:19,596 INFO  L412           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
[2023-11-24 23:57:19,598 INFO  L413           NwaCegarLoop]: 273 mSDtfsCounter, 123 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-24 23:57:19,599 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 430 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-24 23:57:19,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120410 states.
[2023-11-24 23:57:23,054 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120410 to 114938.
[2023-11-24 23:57:23,245 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114938 states, 114803 states have (on average 2.9262388613537973) internal successors, (335941), 114937 states have internal predecessors, (335941), 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)
[2023-11-24 23:57:23,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114938 states to 114938 states and 335941 transitions.
[2023-11-24 23:57:23,736 INFO  L78                 Accepts]: Start accepts. Automaton has 114938 states and 335941 transitions. Word has length 49
[2023-11-24 23:57:23,736 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-24 23:57:23,737 INFO  L495      AbstractCegarLoop]: Abstraction has 114938 states and 335941 transitions.
[2023-11-24 23:57:23,737 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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)
[2023-11-24 23:57:23,738 INFO  L276                IsEmpty]: Start isEmpty. Operand 114938 states and 335941 transitions.
[2023-11-24 23:57:23,740 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2023-11-24 23:57:23,741 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-24 23:57:23,741 INFO  L195           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]
[2023-11-24 23:57:23,741 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-24 23:57:23,742 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2023-11-24 23:57:23,742 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:57:23,743 INFO  L85        PathProgramCache]: Analyzing trace with hash -1562483712, now seen corresponding path program 1 times
[2023-11-24 23:57:23,743 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-24 23:57:23,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790264197]
[2023-11-24 23:57:23,743 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 23:57:23,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:57:23,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:57:23,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:57:23,876 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-24 23:57:23,876 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790264197]
[2023-11-24 23:57:23,879 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790264197] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 23:57:23,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 23:57:23,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-24 23:57:23,881 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678617909]
[2023-11-24 23:57:23,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 23:57:23,881 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 23:57:23,882 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-24 23:57:23,882 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 23:57:23,883 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 23:57:23,883 INFO  L87              Difference]: Start difference. First operand 114938 states and 335941 transitions. Second operand  has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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)
[2023-11-24 23:57:25,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-24 23:57:25,584 INFO  L93              Difference]: Finished difference Result 137828 states and 401404 transitions.
[2023-11-24 23:57:25,584 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 23:57:25,585 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 50
[2023-11-24 23:57:25,585 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-24 23:57:26,029 INFO  L225             Difference]: With dead ends: 137828
[2023-11-24 23:57:26,029 INFO  L226             Difference]: Without dead ends: 137828
[2023-11-24 23:57:26,030 INFO  L412           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
[2023-11-24 23:57:26,032 INFO  L413           NwaCegarLoop]: 251 mSDtfsCounter, 154 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-24 23:57:26,033 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 408 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-24 23:57:26,334 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137828 states.
[2023-11-24 23:57:29,513 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137828 to 109183.
[2023-11-24 23:57:29,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109183 states, 109104 states have (on average 2.921405264701569) internal successors, (318737), 109182 states have internal predecessors, (318737), 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)
[2023-11-24 23:57:30,004 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109183 states to 109183 states and 318737 transitions.
[2023-11-24 23:57:30,005 INFO  L78                 Accepts]: Start accepts. Automaton has 109183 states and 318737 transitions. Word has length 50
[2023-11-24 23:57:30,006 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-24 23:57:30,006 INFO  L495      AbstractCegarLoop]: Abstraction has 109183 states and 318737 transitions.
[2023-11-24 23:57:30,006 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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)
[2023-11-24 23:57:30,006 INFO  L276                IsEmpty]: Start isEmpty. Operand 109183 states and 318737 transitions.
[2023-11-24 23:57:30,011 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-11-24 23:57:30,011 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-24 23:57:30,011 INFO  L195           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]
[2023-11-24 23:57:30,011 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-24 23:57:30,012 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2023-11-24 23:57:30,012 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:57:30,013 INFO  L85        PathProgramCache]: Analyzing trace with hash 1094670665, now seen corresponding path program 1 times
[2023-11-24 23:57:30,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-24 23:57:30,013 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348491016]
[2023-11-24 23:57:30,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 23:57:30,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:57:30,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:57:30,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:57:30,108 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-24 23:57:30,108 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348491016]
[2023-11-24 23:57:30,109 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348491016] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 23:57:30,109 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 23:57:30,109 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-24 23:57:30,109 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411779366]
[2023-11-24 23:57:30,109 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 23:57:30,110 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 23:57:30,110 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-24 23:57:30,111 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 23:57:30,111 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 23:57:30,111 INFO  L87              Difference]: Start difference. First operand 109183 states and 318737 transitions. Second operand  has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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)
[2023-11-24 23:57:31,877 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-24 23:57:31,877 INFO  L93              Difference]: Finished difference Result 112041 states and 327091 transitions.
[2023-11-24 23:57:31,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 23:57:31,878 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 55
[2023-11-24 23:57:31,879 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-24 23:57:32,430 INFO  L225             Difference]: With dead ends: 112041
[2023-11-24 23:57:32,431 INFO  L226             Difference]: Without dead ends: 112041
[2023-11-24 23:57:32,431 INFO  L412           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
[2023-11-24 23:57:32,433 INFO  L413           NwaCegarLoop]: 278 mSDtfsCounter, 126 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-24 23:57:32,434 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 439 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-24 23:57:32,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112041 states.
[2023-11-24 23:57:36,112 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112041 to 109053.
[2023-11-24 23:57:36,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109053 states, 108987 states have (on average 2.920632736014387) internal successors, (318311), 109052 states have internal predecessors, (318311), 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)
[2023-11-24 23:57:36,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109053 states to 109053 states and 318311 transitions.
[2023-11-24 23:57:36,622 INFO  L78                 Accepts]: Start accepts. Automaton has 109053 states and 318311 transitions. Word has length 55
[2023-11-24 23:57:36,623 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-24 23:57:36,623 INFO  L495      AbstractCegarLoop]: Abstraction has 109053 states and 318311 transitions.
[2023-11-24 23:57:36,623 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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)
[2023-11-24 23:57:36,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 109053 states and 318311 transitions.
[2023-11-24 23:57:36,628 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-11-24 23:57:36,629 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-24 23:57:36,629 INFO  L195           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]
[2023-11-24 23:57:36,630 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-24 23:57:36,630 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2023-11-24 23:57:36,631 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:57:36,631 INFO  L85        PathProgramCache]: Analyzing trace with hash 1549132998, now seen corresponding path program 1 times
[2023-11-24 23:57:36,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-24 23:57:36,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611017471]
[2023-11-24 23:57:36,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 23:57:36,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:57:36,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:57:37,045 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:57:37,045 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-24 23:57:37,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611017471]
[2023-11-24 23:57:37,046 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611017471] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 23:57:37,046 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 23:57:37,046 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-24 23:57:37,047 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752176059]
[2023-11-24 23:57:37,047 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 23:57:37,047 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-24 23:57:37,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-24 23:57:37,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-24 23:57:37,049 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-24 23:57:37,049 INFO  L87              Difference]: Start difference. First operand 109053 states and 318311 transitions. Second operand  has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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)
[2023-11-24 23:57:37,555 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-24 23:57:37,556 INFO  L93              Difference]: Finished difference Result 70882 states and 199282 transitions.
[2023-11-24 23:57:37,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-24 23:57:37,556 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 62
[2023-11-24 23:57:37,557 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-24 23:57:37,800 INFO  L225             Difference]: With dead ends: 70882
[2023-11-24 23:57:37,800 INFO  L226             Difference]: Without dead ends: 70810
[2023-11-24 23:57:37,801 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-11-24 23:57:37,803 INFO  L413           NwaCegarLoop]: 227 mSDtfsCounter, 626 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-24 23:57:37,803 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 400 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-24 23:57:38,860 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 70810 states.
[2023-11-24 23:57:39,807 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 70810 to 58361.
[2023-11-24 23:57:39,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58361 states, 58303 states have (on average 2.8128398195633157) internal successors, (163997), 58360 states have internal predecessors, (163997), 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)
[2023-11-24 23:57:40,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58361 states to 58361 states and 163997 transitions.
[2023-11-24 23:57:40,616 INFO  L78                 Accepts]: Start accepts. Automaton has 58361 states and 163997 transitions. Word has length 62
[2023-11-24 23:57:40,616 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-24 23:57:40,632 INFO  L495      AbstractCegarLoop]: Abstraction has 58361 states and 163997 transitions.
[2023-11-24 23:57:40,632 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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)
[2023-11-24 23:57:40,632 INFO  L276                IsEmpty]: Start isEmpty. Operand 58361 states and 163997 transitions.
[2023-11-24 23:57:40,636 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-11-24 23:57:40,637 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-24 23:57:40,637 INFO  L195           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]
[2023-11-24 23:57:40,637 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-24 23:57:40,637 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2023-11-24 23:57:40,638 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:57:40,638 INFO  L85        PathProgramCache]: Analyzing trace with hash 519239887, now seen corresponding path program 1 times
[2023-11-24 23:57:40,638 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-24 23:57:40,639 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969489307]
[2023-11-24 23:57:40,639 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 23:57:40,639 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:57:40,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:57:40,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:57:40,760 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-24 23:57:40,760 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969489307]
[2023-11-24 23:57:40,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969489307] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 23:57:40,761 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 23:57:40,762 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-24 23:57:40,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135222539]
[2023-11-24 23:57:40,763 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 23:57:40,763 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 23:57:40,765 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-24 23:57:40,765 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 23:57:40,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 23:57:40,766 INFO  L87              Difference]: Start difference. First operand 58361 states and 163997 transitions. Second operand  has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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)
[2023-11-24 23:57:41,302 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-24 23:57:41,302 INFO  L93              Difference]: Finished difference Result 60851 states and 171160 transitions.
[2023-11-24 23:57:41,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 23:57:41,303 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 62
[2023-11-24 23:57:41,304 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-24 23:57:41,599 INFO  L225             Difference]: With dead ends: 60851
[2023-11-24 23:57:41,600 INFO  L226             Difference]: Without dead ends: 59186
[2023-11-24 23:57:41,600 INFO  L412           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
[2023-11-24 23:57:41,601 INFO  L413           NwaCegarLoop]: 272 mSDtfsCounter, 121 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-24 23:57:41,602 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 427 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-24 23:57:41,783 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59186 states.