./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask.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_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/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_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/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_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/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 3787427d85789c6543b359d801a5f9325d8405a4b765c9b89d348aba34fa2c55
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-25 00:00:51,881 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-25 00:00:51,960 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2023-11-25 00:00:51,967 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-25 00:00:51,967 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-25 00:00:51,996 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-25 00:00:51,997 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-25 00:00:51,998 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-25 00:00:51,999 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-25 00:00:51,999 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-25 00:00:52,000 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-11-25 00:00:52,001 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-25 00:00:52,001 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-11-25 00:00:52,002 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-25 00:00:52,002 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-11-25 00:00:52,003 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-11-25 00:00:52,003 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-11-25 00:00:52,004 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-11-25 00:00:52,005 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-11-25 00:00:52,005 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-25 00:00:52,006 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-11-25 00:00:52,007 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-11-25 00:00:52,008 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-25 00:00:52,008 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-25 00:00:52,009 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-25 00:00:52,009 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-25 00:00:52,010 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-25 00:00:52,010 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-25 00:00:52,011 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-25 00:00:52,011 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-25 00:00:52,012 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-25 00:00:52,012 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-25 00:00:52,012 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-25 00:00:52,013 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-25 00:00:52,013 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-25 00:00:52,013 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-25 00:00:52,014 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-25 00:00:52,014 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-25 00:00:52,014 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-25 00:00:52,014 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-25 00:00:52,015 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-25 00:00:52,015 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-25 00:00:52,015 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-11-25 00:00:52,016 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-25 00:00:52,016 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-25 00:00:52,016 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-25 00:00:52,016 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-11-25 00:00:52,017 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-25 00:00:52,017 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_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/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_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/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 -> 3787427d85789c6543b359d801a5f9325d8405a4b765c9b89d348aba34fa2c55
[2023-11-25 00:00:52,244 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-25 00:00:52,267 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-25 00:00:52,271 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-25 00:00:52,272 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-25 00:00:52,273 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-25 00:00:52,274 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask.i
[2023-11-25 00:00:55,558 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-25 00:00:55,882 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-25 00:00:55,882 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask.i
[2023-11-25 00:00:55,906 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/data/aff6403f0/a5b98f92e6a249d08dd8e859ca896ac8/FLAGca0b5af24
[2023-11-25 00:00:55,935 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/data/aff6403f0/a5b98f92e6a249d08dd8e859ca896ac8
[2023-11-25 00:00:55,940 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-25 00:00:55,943 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-25 00:00:55,947 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-25 00:00:55,949 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-25 00:00:55,956 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-25 00:00:55,960 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:55" (1/1) ...
[2023-11-25 00:00:55,962 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5619a443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:55, skipping insertion in model container
[2023-11-25 00:00:55,962 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:55" (1/1) ...
[2023-11-25 00:00:56,045 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-25 00:00:56,751 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-25 00:00:56,769 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-25 00:00:56,821 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-25 00:00:56,911 WARN  L675               CHandler]: The function ffs is called, but not defined or handled by StandardFunctionHandler.
[2023-11-25 00:00:56,920 INFO  L206         MainTranslator]: Completed translation
[2023-11-25 00:00:56,920 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56 WrapperNode
[2023-11-25 00:00:56,921 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-25 00:00:56,922 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-25 00:00:56,923 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-25 00:00:56,923 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-25 00:00:56,932 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:56,980 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,009 INFO  L138                Inliner]: procedures = 281, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 132
[2023-11-25 00:00:57,010 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-25 00:00:57,011 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-25 00:00:57,011 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-25 00:00:57,011 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-25 00:00:57,022 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,022 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,027 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,028 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,039 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,043 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,046 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,048 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,053 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-25 00:00:57,054 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-25 00:00:57,054 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-25 00:00:57,055 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-25 00:00:57,056 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (1/1) ...
[2023-11-25 00:00:57,063 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-25 00:00:57,081 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3
[2023-11-25 00:00:57,095 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-25 00:00:57,097 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-25 00:00:57,126 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-25 00:00:57,126 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-25 00:00:57,126 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-25 00:00:57,126 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-25 00:00:57,126 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-25 00:00:57,126 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-25 00:00:57,127 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-25 00:00:57,127 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-25 00:00:57,127 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-25 00:00:57,127 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-25 00:00:57,127 INFO  L130     BoogieDeclarations]: Found specification of procedure ffs
[2023-11-25 00:00:57,127 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-25 00:00:57,128 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-11-25 00:00:57,128 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-11-25 00:00:57,128 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-25 00:00:57,128 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-25 00:00:57,130 WARN  L213             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-25 00:00:57,298 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-25 00:00:57,300 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-25 00:00:57,732 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-25 00:00:57,785 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-25 00:00:57,785 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-25 00:00:57,787 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:57 BoogieIcfgContainer
[2023-11-25 00:00:57,787 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-25 00:00:57,790 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-25 00:00:57,790 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-25 00:00:57,794 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-25 00:00:57,794 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:55" (1/3) ...
[2023-11-25 00:00:57,795 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381e5b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:57, skipping insertion in model container
[2023-11-25 00:00:57,795 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:56" (2/3) ...
[2023-11-25 00:00:57,817 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381e5b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:57, skipping insertion in model container
[2023-11-25 00:00:57,817 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:57" (3/3) ...
[2023-11-25 00:00:57,818 INFO  L112   eAbstractionObserver]: Analyzing ICFG per-thread-index-bitmask.i
[2023-11-25 00:00:57,825 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-25 00:00:57,834 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-25 00:00:57,834 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations.
[2023-11-25 00:00:57,834 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-25 00:00:57,963 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-25 00:00:58,018 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 190 places, 198 transitions, 403 flow
[2023-11-25 00:00:58,211 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 4450 states, 4386 states have (on average 2.0870953032375743) internal successors, (9154), 4449 states have internal predecessors, (9154), 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)
[2023-11-25 00:00:58,237 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-25 00:00:58,245 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;@2feb9d1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-25 00:00:58,245 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2023-11-25 00:00:58,264 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4450 states, 4386 states have (on average 2.0870953032375743) internal successors, (9154), 4449 states have internal predecessors, (9154), 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)
[2023-11-25 00:00:58,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2023-11-25 00:00:58,277 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:00:58,278 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]
[2023-11-25 00:00:58,279 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:00:58,284 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:00:58,285 INFO  L85        PathProgramCache]: Analyzing trace with hash 1937937021, now seen corresponding path program 1 times
[2023-11-25 00:00:58,293 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:00:58,294 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641425927]
[2023-11-25 00:00:58,294 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:00:58,294 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:00:58,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:00:58,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:00:58,610 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:00:58,610 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641425927]
[2023-11-25 00:00:58,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641425927] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:00:58,612 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:00:58,612 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-25 00:00:58,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81806440]
[2023-11-25 00:00:58,617 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:00:58,622 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-25 00:00:58,624 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:00:58,657 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-25 00:00:58,657 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-25 00:00:58,673 INFO  L87              Difference]: Start difference. First operand  has 4450 states, 4386 states have (on average 2.0870953032375743) internal successors, (9154), 4449 states have internal predecessors, (9154), 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 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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)
[2023-11-25 00:00:58,833 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:00:58,834 INFO  L93              Difference]: Finished difference Result 4449 states and 9055 transitions.
[2023-11-25 00:00:58,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-25 00:00:58,843 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38
[2023-11-25 00:00:58,844 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:00:58,903 INFO  L225             Difference]: With dead ends: 4449
[2023-11-25 00:00:58,904 INFO  L226             Difference]: Without dead ends: 4382
[2023-11-25 00:00:58,906 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
[2023-11-25 00:00:58,910 INFO  L413           NwaCegarLoop]: 186 mSDtfsCounter, 2 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-25 00:00:58,912 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 360 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-25 00:00:58,951 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4382 states.
[2023-11-25 00:00:59,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 4382.
[2023-11-25 00:00:59,250 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4382 states, 4321 states have (on average 2.065262670678084) internal successors, (8924), 4381 states have internal predecessors, (8924), 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)
[2023-11-25 00:00:59,283 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 4382 states and 8924 transitions.
[2023-11-25 00:00:59,284 INFO  L78                 Accepts]: Start accepts. Automaton has 4382 states and 8924 transitions. Word has length 38
[2023-11-25 00:00:59,287 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:00:59,288 INFO  L495      AbstractCegarLoop]: Abstraction has 4382 states and 8924 transitions.
[2023-11-25 00:00:59,288 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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)
[2023-11-25 00:00:59,289 INFO  L276                IsEmpty]: Start isEmpty. Operand 4382 states and 8924 transitions.
[2023-11-25 00:00:59,291 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2023-11-25 00:00:59,291 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:00:59,292 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]
[2023-11-25 00:00:59,292 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-25 00:00:59,293 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:00:59,293 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:00:59,294 INFO  L85        PathProgramCache]: Analyzing trace with hash -1004342350, now seen corresponding path program 1 times
[2023-11-25 00:00:59,294 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:00:59,294 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674936638]
[2023-11-25 00:00:59,295 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:00:59,296 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:00:59,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:00:59,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:00:59,504 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:00:59,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674936638]
[2023-11-25 00:00:59,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674936638] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:00:59,505 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:00:59,505 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-25 00:00:59,505 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841216982]
[2023-11-25 00:00:59,506 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:00:59,507 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-25 00:00:59,507 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:00:59,508 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-25 00:00:59,508 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-25 00:00:59,508 INFO  L87              Difference]: Start difference. First operand 4382 states and 8924 transitions. Second operand  has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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)
[2023-11-25 00:00:59,638 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:00:59,638 INFO  L93              Difference]: Finished difference Result 4759 states and 9720 transitions.
[2023-11-25 00:00:59,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-25 00:00:59,640 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46
[2023-11-25 00:00:59,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:00:59,677 INFO  L225             Difference]: With dead ends: 4759
[2023-11-25 00:00:59,677 INFO  L226             Difference]: Without dead ends: 4759
[2023-11-25 00:00:59,682 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
[2023-11-25 00:00:59,684 INFO  L413           NwaCegarLoop]: 270 mSDtfsCounter, 135 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-25 00:00:59,685 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 440 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-25 00:00:59,702 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4759 states.
[2023-11-25 00:00:59,903 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4759 to 4274.
[2023-11-25 00:00:59,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4274 states, 4227 states have (on average 2.0577241542465106) internal successors, (8698), 4273 states have internal predecessors, (8698), 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)
[2023-11-25 00:00:59,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 8698 transitions.
[2023-11-25 00:00:59,964 INFO  L78                 Accepts]: Start accepts. Automaton has 4274 states and 8698 transitions. Word has length 46
[2023-11-25 00:00:59,965 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:00:59,965 INFO  L495      AbstractCegarLoop]: Abstraction has 4274 states and 8698 transitions.
[2023-11-25 00:00:59,966 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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)
[2023-11-25 00:00:59,966 INFO  L276                IsEmpty]: Start isEmpty. Operand 4274 states and 8698 transitions.
[2023-11-25 00:00:59,970 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2023-11-25 00:00:59,970 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:00:59,971 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]
[2023-11-25 00:00:59,971 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-25 00:00:59,971 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:00:59,972 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:00:59,972 INFO  L85        PathProgramCache]: Analyzing trace with hash -1244629649, now seen corresponding path program 1 times
[2023-11-25 00:00:59,973 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:00:59,974 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645260967]
[2023-11-25 00:00:59,974 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:00:59,976 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:00,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:00,306 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:00,307 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:00,311 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645260967]
[2023-11-25 00:01:00,312 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645260967] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:00,313 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:00,313 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-25 00:01:00,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926751445]
[2023-11-25 00:01:00,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:00,317 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-25 00:01:00,317 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:00,319 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-25 00:01:00,323 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-25 00:01:00,324 INFO  L87              Difference]: Start difference. First operand 4274 states and 8698 transitions. Second operand  has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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)
[2023-11-25 00:01:00,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:00,486 INFO  L93              Difference]: Finished difference Result 4288 states and 8711 transitions.
[2023-11-25 00:01:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-25 00:01:00,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 51
[2023-11-25 00:01:00,488 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:00,523 INFO  L225             Difference]: With dead ends: 4288
[2023-11-25 00:01:00,524 INFO  L226             Difference]: Without dead ends: 4288
[2023-11-25 00:01:00,527 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:00,534 INFO  L413           NwaCegarLoop]: 180 mSDtfsCounter, 114 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:00,536 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 536 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-25 00:01:00,553 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4288 states.
[2023-11-25 00:01:00,671 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 4275.
[2023-11-25 00:01:00,681 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4275 states, 4228 states have (on average 2.057473982970672) internal successors, (8699), 4274 states have internal predecessors, (8699), 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)
[2023-11-25 00:01:00,703 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 8699 transitions.
[2023-11-25 00:01:00,703 INFO  L78                 Accepts]: Start accepts. Automaton has 4275 states and 8699 transitions. Word has length 51
[2023-11-25 00:01:00,704 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:00,704 INFO  L495      AbstractCegarLoop]: Abstraction has 4275 states and 8699 transitions.
[2023-11-25 00:01:00,704 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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)
[2023-11-25 00:01:00,704 INFO  L276                IsEmpty]: Start isEmpty. Operand 4275 states and 8699 transitions.
[2023-11-25 00:01:00,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-25 00:01:00,706 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:00,706 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]
[2023-11-25 00:01:00,706 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-25 00:01:00,706 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:00,707 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:00,707 INFO  L85        PathProgramCache]: Analyzing trace with hash -1556745056, now seen corresponding path program 1 times
[2023-11-25 00:01:00,707 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:00,707 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407821698]
[2023-11-25 00:01:00,708 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:00,708 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:00,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:01,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:01,401 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:01,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407821698]
[2023-11-25 00:01:01,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407821698] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:01,402 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:01,402 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-25 00:01:01,402 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351891344]
[2023-11-25 00:01:01,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:01,403 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-25 00:01:01,403 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:01,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-25 00:01:01,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:01,404 INFO  L87              Difference]: Start difference. First operand 4275 states and 8699 transitions. Second operand  has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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)
[2023-11-25 00:01:01,842 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:01,843 INFO  L93              Difference]: Finished difference Result 5377 states and 10875 transitions.
[2023-11-25 00:01:01,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-25 00:01:01,844 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 52
[2023-11-25 00:01:01,844 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:01,880 INFO  L225             Difference]: With dead ends: 5377
[2023-11-25 00:01:01,881 INFO  L226             Difference]: Without dead ends: 5377
[2023-11-25 00:01:01,881 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:01,882 INFO  L413           NwaCegarLoop]: 332 mSDtfsCounter, 314 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:01,883 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 752 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-25 00:01:01,899 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5377 states.
[2023-11-25 00:01:02,014 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5377 to 4672.
[2023-11-25 00:01:02,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4672 states, 4632 states have (on average 2.0552677029360966) internal successors, (9520), 4671 states have internal predecessors, (9520), 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)
[2023-11-25 00:01:02,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4672 states to 4672 states and 9520 transitions.
[2023-11-25 00:01:02,040 INFO  L78                 Accepts]: Start accepts. Automaton has 4672 states and 9520 transitions. Word has length 52
[2023-11-25 00:01:02,040 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:02,040 INFO  L495      AbstractCegarLoop]: Abstraction has 4672 states and 9520 transitions.
[2023-11-25 00:01:02,041 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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)
[2023-11-25 00:01:02,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 4672 states and 9520 transitions.
[2023-11-25 00:01:02,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2023-11-25 00:01:02,042 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:02,043 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]
[2023-11-25 00:01:02,043 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-25 00:01:02,043 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:02,044 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:02,044 INFO  L85        PathProgramCache]: Analyzing trace with hash 2025628928, now seen corresponding path program 1 times
[2023-11-25 00:01:02,044 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:02,044 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540863612]
[2023-11-25 00:01:02,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:02,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:02,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:02,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:02,101 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:02,102 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540863612]
[2023-11-25 00:01:02,102 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540863612] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:02,102 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:02,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-25 00:01:02,104 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510027417]
[2023-11-25 00:01:02,104 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:02,104 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-25 00:01:02,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:02,105 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-25 00:01:02,105 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-25 00:01:02,106 INFO  L87              Difference]: Start difference. First operand 4672 states and 9520 transitions. Second operand  has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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)
[2023-11-25 00:01:02,180 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:02,180 INFO  L93              Difference]: Finished difference Result 4549 states and 9261 transitions.
[2023-11-25 00:01:02,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-25 00:01:02,181 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 56
[2023-11-25 00:01:02,181 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:02,221 INFO  L225             Difference]: With dead ends: 4549
[2023-11-25 00:01:02,221 INFO  L226             Difference]: Without dead ends: 4437
[2023-11-25 00:01:02,221 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
[2023-11-25 00:01:02,223 INFO  L413           NwaCegarLoop]: 262 mSDtfsCounter, 145 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:02,223 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 380 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-25 00:01:02,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4437 states.
[2023-11-25 00:01:02,363 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4437 to 4437.
[2023-11-25 00:01:02,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4437 states, 4407 states have (on average 2.0540049920580894) internal successors, (9052), 4436 states have internal predecessors, (9052), 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)
[2023-11-25 00:01:02,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 9052 transitions.
[2023-11-25 00:01:02,390 INFO  L78                 Accepts]: Start accepts. Automaton has 4437 states and 9052 transitions. Word has length 56
[2023-11-25 00:01:02,391 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:02,391 INFO  L495      AbstractCegarLoop]: Abstraction has 4437 states and 9052 transitions.
[2023-11-25 00:01:02,391 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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)
[2023-11-25 00:01:02,391 INFO  L276                IsEmpty]: Start isEmpty. Operand 4437 states and 9052 transitions.
[2023-11-25 00:01:02,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2023-11-25 00:01:02,393 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:02,394 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]
[2023-11-25 00:01:02,394 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-25 00:01:02,395 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:02,395 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:02,395 INFO  L85        PathProgramCache]: Analyzing trace with hash -90704727, now seen corresponding path program 1 times
[2023-11-25 00:01:02,395 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:02,397 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280241967]
[2023-11-25 00:01:02,401 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:02,401 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:02,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:02,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:02,566 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:02,566 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280241967]
[2023-11-25 00:01:02,567 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280241967] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:02,567 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:02,567 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-25 00:01:02,567 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789242569]
[2023-11-25 00:01:02,569 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:02,571 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-25 00:01:02,572 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:02,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-25 00:01:02,573 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:02,573 INFO  L87              Difference]: Start difference. First operand 4437 states and 9052 transitions. Second operand  has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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)
[2023-11-25 00:01:02,683 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:02,683 INFO  L93              Difference]: Finished difference Result 4446 states and 9062 transitions.
[2023-11-25 00:01:02,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-25 00:01:02,684 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 60
[2023-11-25 00:01:02,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:02,700 INFO  L225             Difference]: With dead ends: 4446
[2023-11-25 00:01:02,701 INFO  L226             Difference]: Without dead ends: 4446
[2023-11-25 00:01:02,701 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:02,702 INFO  L413           NwaCegarLoop]: 175 mSDtfsCounter, 31 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:02,705 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 352 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-25 00:01:02,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4446 states.
[2023-11-25 00:01:02,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 4438.
[2023-11-25 00:01:02,872 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4438 states, 4408 states have (on average 2.053765880217786) internal successors, (9053), 4437 states have internal predecessors, (9053), 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)
[2023-11-25 00:01:02,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 9053 transitions.
[2023-11-25 00:01:02,890 INFO  L78                 Accepts]: Start accepts. Automaton has 4438 states and 9053 transitions. Word has length 60
[2023-11-25 00:01:02,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:02,891 INFO  L495      AbstractCegarLoop]: Abstraction has 4438 states and 9053 transitions.
[2023-11-25 00:01:02,891 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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)
[2023-11-25 00:01:02,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 4438 states and 9053 transitions.
[2023-11-25 00:01:02,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2023-11-25 00:01:02,897 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:02,898 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]
[2023-11-25 00:01:02,898 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-25 00:01:02,898 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:02,899 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:02,899 INFO  L85        PathProgramCache]: Analyzing trace with hash 1702736661, now seen corresponding path program 1 times
[2023-11-25 00:01:02,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:02,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042554261]
[2023-11-25 00:01:02,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:02,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:02,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:03,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:03,051 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:03,051 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042554261]
[2023-11-25 00:01:03,051 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042554261] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:03,051 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:03,052 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-25 00:01:03,052 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729884918]
[2023-11-25 00:01:03,052 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:03,052 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-25 00:01:03,052 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:03,053 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-25 00:01:03,053 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:03,053 INFO  L87              Difference]: Start difference. First operand 4438 states and 9053 transitions. Second operand  has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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)
[2023-11-25 00:01:03,147 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:03,147 INFO  L93              Difference]: Finished difference Result 4445 states and 9060 transitions.
[2023-11-25 00:01:03,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-25 00:01:03,148 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 60
[2023-11-25 00:01:03,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:03,161 INFO  L225             Difference]: With dead ends: 4445
[2023-11-25 00:01:03,161 INFO  L226             Difference]: Without dead ends: 4445
[2023-11-25 00:01:03,161 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:03,162 INFO  L413           NwaCegarLoop]: 177 mSDtfsCounter, 20 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:03,163 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 353 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-25 00:01:03,176 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4445 states.
[2023-11-25 00:01:03,272 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4436.
[2023-11-25 00:01:03,281 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4436 states, 4406 states have (on average 2.0540172492056286) internal successors, (9050), 4435 states have internal predecessors, (9050), 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)
[2023-11-25 00:01:03,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4436 states to 4436 states and 9050 transitions.
[2023-11-25 00:01:03,295 INFO  L78                 Accepts]: Start accepts. Automaton has 4436 states and 9050 transitions. Word has length 60
[2023-11-25 00:01:03,296 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:03,296 INFO  L495      AbstractCegarLoop]: Abstraction has 4436 states and 9050 transitions.
[2023-11-25 00:01:03,296 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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)
[2023-11-25 00:01:03,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 4436 states and 9050 transitions.
[2023-11-25 00:01:03,297 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-25 00:01:03,297 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:03,297 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]
[2023-11-25 00:01:03,297 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-25 00:01:03,297 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:03,298 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:03,298 INFO  L85        PathProgramCache]: Analyzing trace with hash -188589783, now seen corresponding path program 1 times
[2023-11-25 00:01:03,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:03,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869689916]
[2023-11-25 00:01:03,298 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:03,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:03,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:03,400 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:03,400 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:03,400 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869689916]
[2023-11-25 00:01:03,400 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869689916] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:03,400 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:03,401 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-25 00:01:03,401 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52120850]
[2023-11-25 00:01:03,401 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:03,401 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-25 00:01:03,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:03,402 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-25 00:01:03,402 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:03,402 INFO  L87              Difference]: Start difference. First operand 4436 states and 9050 transitions. Second operand  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2023-11-25 00:01:03,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:03,487 INFO  L93              Difference]: Finished difference Result 4444 states and 9058 transitions.
[2023-11-25 00:01:03,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-25 00:01:03,488 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 61
[2023-11-25 00:01:03,489 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:03,501 INFO  L225             Difference]: With dead ends: 4444
[2023-11-25 00:01:03,501 INFO  L226             Difference]: Without dead ends: 4444
[2023-11-25 00:01:03,502 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:03,503 INFO  L413           NwaCegarLoop]: 176 mSDtfsCounter, 23 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:03,504 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 352 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-25 00:01:03,518 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4444 states.
[2023-11-25 00:01:03,646 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 4438.
[2023-11-25 00:01:03,653 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4438 states, 4408 states have (on average 2.0535390199637025) internal successors, (9052), 4437 states have internal predecessors, (9052), 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)
[2023-11-25 00:01:03,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 9052 transitions.
[2023-11-25 00:01:03,665 INFO  L78                 Accepts]: Start accepts. Automaton has 4438 states and 9052 transitions. Word has length 61
[2023-11-25 00:01:03,665 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:03,665 INFO  L495      AbstractCegarLoop]: Abstraction has 4438 states and 9052 transitions.
[2023-11-25 00:01:03,666 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2023-11-25 00:01:03,666 INFO  L276                IsEmpty]: Start isEmpty. Operand 4438 states and 9052 transitions.
[2023-11-25 00:01:03,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-25 00:01:03,667 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:03,667 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]
[2023-11-25 00:01:03,668 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-25 00:01:03,668 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:03,668 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:03,668 INFO  L85        PathProgramCache]: Analyzing trace with hash -426481603, now seen corresponding path program 1 times
[2023-11-25 00:01:03,669 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:03,669 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153296952]
[2023-11-25 00:01:03,669 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:03,669 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:03,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:03,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:03,759 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:03,760 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153296952]
[2023-11-25 00:01:03,760 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153296952] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:03,760 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:03,760 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-25 00:01:03,760 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165836881]
[2023-11-25 00:01:03,761 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:03,761 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-25 00:01:03,761 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:03,762 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-25 00:01:03,762 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-25 00:01:03,762 INFO  L87              Difference]: Start difference. First operand 4438 states and 9052 transitions. Second operand  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2023-11-25 00:01:03,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:03,873 INFO  L93              Difference]: Finished difference Result 4443 states and 9056 transitions.
[2023-11-25 00:01:03,874 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-25 00:01:03,874 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 61
[2023-11-25 00:01:03,874 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:03,886 INFO  L225             Difference]: With dead ends: 4443
[2023-11-25 00:01:03,887 INFO  L226             Difference]: Without dead ends: 4443
[2023-11-25 00:01:03,887 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-25 00:01:03,888 INFO  L413           NwaCegarLoop]: 179 mSDtfsCounter, 16 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:03,888 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 464 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-25 00:01:03,899 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4443 states.
[2023-11-25 00:01:03,976 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4435.
[2023-11-25 00:01:03,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4435 states, 4405 states have (on average 2.0540295119182748) internal successors, (9048), 4434 states have internal predecessors, (9048), 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)
[2023-11-25 00:01:03,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 9048 transitions.
[2023-11-25 00:01:03,996 INFO  L78                 Accepts]: Start accepts. Automaton has 4435 states and 9048 transitions. Word has length 61
[2023-11-25 00:01:03,997 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:03,997 INFO  L495      AbstractCegarLoop]: Abstraction has 4435 states and 9048 transitions.
[2023-11-25 00:01:03,997 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2023-11-25 00:01:03,997 INFO  L276                IsEmpty]: Start isEmpty. Operand 4435 states and 9048 transitions.
[2023-11-25 00:01:03,998 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2023-11-25 00:01:03,998 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:03,998 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, 1, 1, 1]
[2023-11-25 00:01:03,998 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-25 00:01:03,998 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:03,999 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:03,999 INFO  L85        PathProgramCache]: Analyzing trace with hash 118216292, now seen corresponding path program 1 times
[2023-11-25 00:01:03,999 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:03,999 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981152032]
[2023-11-25 00:01:04,000 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:04,000 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:04,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:04,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:04,046 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:04,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981152032]
[2023-11-25 00:01:04,047 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981152032] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:04,047 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:04,047 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-25 00:01:04,047 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277852358]
[2023-11-25 00:01:04,047 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:04,048 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-25 00:01:04,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:04,049 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-25 00:01:04,049 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-25 00:01:04,049 INFO  L87              Difference]: Start difference. First operand 4435 states and 9048 transitions. Second operand  has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 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)
[2023-11-25 00:01:04,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:04,115 INFO  L93              Difference]: Finished difference Result 4516 states and 9219 transitions.
[2023-11-25 00:01:04,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-25 00:01:04,116 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 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 65
[2023-11-25 00:01:04,116 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:04,129 INFO  L225             Difference]: With dead ends: 4516
[2023-11-25 00:01:04,129 INFO  L226             Difference]: Without dead ends: 4516
[2023-11-25 00:01:04,130 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
[2023-11-25 00:01:04,130 INFO  L413           NwaCegarLoop]: 223 mSDtfsCounter, 49 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:04,131 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 387 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-25 00:01:04,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4516 states.
[2023-11-25 00:01:04,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4516 to 4438.
[2023-11-25 00:01:04,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4438 states, 4411 states have (on average 2.0532759011562005) internal successors, (9057), 4437 states have internal predecessors, (9057), 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)
[2023-11-25 00:01:04,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 9057 transitions.
[2023-11-25 00:01:04,277 INFO  L78                 Accepts]: Start accepts. Automaton has 4438 states and 9057 transitions. Word has length 65
[2023-11-25 00:01:04,277 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:04,277 INFO  L495      AbstractCegarLoop]: Abstraction has 4438 states and 9057 transitions.
[2023-11-25 00:01:04,278 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 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)
[2023-11-25 00:01:04,278 INFO  L276                IsEmpty]: Start isEmpty. Operand 4438 states and 9057 transitions.
[2023-11-25 00:01:04,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2023-11-25 00:01:04,279 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:04,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:04,280 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-25 00:01:04,280 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:04,281 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:04,281 INFO  L85        PathProgramCache]: Analyzing trace with hash 1479071995, now seen corresponding path program 1 times
[2023-11-25 00:01:04,281 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:04,281 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083716867]
[2023-11-25 00:01:04,281 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:04,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:04,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:05,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:05,050 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:05,050 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083716867]
[2023-11-25 00:01:05,051 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083716867] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:05,051 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:05,051 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-25 00:01:05,051 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536281306]
[2023-11-25 00:01:05,052 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:05,052 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-25 00:01:05,052 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:05,053 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-25 00:01:05,053 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:05,054 INFO  L87              Difference]: Start difference. First operand 4438 states and 9057 transitions. Second operand  has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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)
[2023-11-25 00:01:05,666 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:05,667 INFO  L93              Difference]: Finished difference Result 4631 states and 9420 transitions.
[2023-11-25 00:01:05,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-25 00:01:05,668 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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 93
[2023-11-25 00:01:05,668 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:05,686 INFO  L225             Difference]: With dead ends: 4631
[2023-11-25 00:01:05,686 INFO  L226             Difference]: Without dead ends: 4631
[2023-11-25 00:01:05,686 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:05,687 INFO  L413           NwaCegarLoop]: 431 mSDtfsCounter, 300 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:05,688 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 971 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-25 00:01:05,703 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4631 states.
[2023-11-25 00:01:05,820 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4631 to 4537.
[2023-11-25 00:01:05,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4537 states, 4510 states have (on average 2.0483370288248337) internal successors, (9238), 4536 states have internal predecessors, (9238), 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)
[2023-11-25 00:01:05,848 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 9238 transitions.
[2023-11-25 00:01:05,848 INFO  L78                 Accepts]: Start accepts. Automaton has 4537 states and 9238 transitions. Word has length 93
[2023-11-25 00:01:05,849 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:05,849 INFO  L495      AbstractCegarLoop]: Abstraction has 4537 states and 9238 transitions.
[2023-11-25 00:01:05,850 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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)
[2023-11-25 00:01:05,850 INFO  L276                IsEmpty]: Start isEmpty. Operand 4537 states and 9238 transitions.
[2023-11-25 00:01:05,852 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2023-11-25 00:01:05,853 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:05,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:05,853 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-25 00:01:05,854 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:05,854 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:05,855 INFO  L85        PathProgramCache]: Analyzing trace with hash -2109754094, now seen corresponding path program 1 times
[2023-11-25 00:01:05,855 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:05,855 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856227997]
[2023-11-25 00:01:05,855 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:05,856 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:05,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:06,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-25 00:01:06,678 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:06,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856227997]
[2023-11-25 00:01:06,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856227997] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:06,678 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:06,678 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-25 00:01:06,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610944041]
[2023-11-25 00:01:06,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:06,679 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-25 00:01:06,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:06,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-25 00:01:06,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:06,681 INFO  L87              Difference]: Start difference. First operand 4537 states and 9238 transitions. Second operand  has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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)
[2023-11-25 00:01:07,063 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:07,063 INFO  L93              Difference]: Finished difference Result 4710 states and 9556 transitions.
[2023-11-25 00:01:07,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-25 00:01:07,064 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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 102
[2023-11-25 00:01:07,065 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:07,079 INFO  L225             Difference]: With dead ends: 4710
[2023-11-25 00:01:07,079 INFO  L226             Difference]: Without dead ends: 4555
[2023-11-25 00:01:07,080 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-25 00:01:07,080 INFO  L413           NwaCegarLoop]: 335 mSDtfsCounter, 174 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:07,081 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1137 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-25 00:01:07,092 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4555 states.
[2023-11-25 00:01:07,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 4524.
[2023-11-25 00:01:07,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4524 states, 4498 states have (on average 2.050466874166296) internal successors, (9223), 4523 states have internal predecessors, (9223), 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)
[2023-11-25 00:01:07,193 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 9223 transitions.
[2023-11-25 00:01:07,193 INFO  L78                 Accepts]: Start accepts. Automaton has 4524 states and 9223 transitions. Word has length 102
[2023-11-25 00:01:07,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:07,194 INFO  L495      AbstractCegarLoop]: Abstraction has 4524 states and 9223 transitions.
[2023-11-25 00:01:07,194 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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)
[2023-11-25 00:01:07,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 4524 states and 9223 transitions.
[2023-11-25 00:01:07,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2023-11-25 00:01:07,198 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:07,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:07,199 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-25 00:01:07,199 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:07,199 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:07,200 INFO  L85        PathProgramCache]: Analyzing trace with hash -242024190, now seen corresponding path program 1 times
[2023-11-25 00:01:07,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:07,200 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019626204]
[2023-11-25 00:01:07,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:07,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:07,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:08,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:08,047 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:08,047 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019626204]
[2023-11-25 00:01:08,047 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019626204] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:08,047 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:08,048 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2023-11-25 00:01:08,048 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429834505]
[2023-11-25 00:01:08,048 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:08,048 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-25 00:01:08,049 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:08,050 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-25 00:01:08,050 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2023-11-25 00:01:08,050 INFO  L87              Difference]: Start difference. First operand 4524 states and 9223 transitions. Second operand  has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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)
[2023-11-25 00:01:08,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:08,999 INFO  L93              Difference]: Finished difference Result 4510 states and 9192 transitions.
[2023-11-25 00:01:08,999 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-25 00:01:09,000 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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 105
[2023-11-25 00:01:09,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:09,013 INFO  L225             Difference]: With dead ends: 4510
[2023-11-25 00:01:09,014 INFO  L226             Difference]: Without dead ends: 4510
[2023-11-25 00:01:09,014 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272
[2023-11-25 00:01:09,015 INFO  L413           NwaCegarLoop]: 371 mSDtfsCounter, 600 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:09,016 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 1499 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-11-25 00:01:09,027 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4510 states.
[2023-11-25 00:01:09,115 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4510 to 4402.
[2023-11-25 00:01:09,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4402 states, 4380 states have (on average 2.0518264840182647) internal successors, (8987), 4401 states have internal predecessors, (8987), 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)
[2023-11-25 00:01:09,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4402 states and 8987 transitions.
[2023-11-25 00:01:09,134 INFO  L78                 Accepts]: Start accepts. Automaton has 4402 states and 8987 transitions. Word has length 105
[2023-11-25 00:01:09,135 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:09,135 INFO  L495      AbstractCegarLoop]: Abstraction has 4402 states and 8987 transitions.
[2023-11-25 00:01:09,135 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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)
[2023-11-25 00:01:09,135 INFO  L276                IsEmpty]: Start isEmpty. Operand 4402 states and 8987 transitions.
[2023-11-25 00:01:09,140 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2023-11-25 00:01:09,141 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:09,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:09,141 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-25 00:01:09,142 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:09,142 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:09,142 INFO  L85        PathProgramCache]: Analyzing trace with hash -653413498, now seen corresponding path program 1 times
[2023-11-25 00:01:09,143 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:09,143 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172919086]
[2023-11-25 00:01:09,143 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:09,143 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:09,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:09,884 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-25 00:01:09,884 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:09,884 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172919086]
[2023-11-25 00:01:09,884 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172919086] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:09,885 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:09,885 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2023-11-25 00:01:09,885 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805147700]
[2023-11-25 00:01:09,885 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:09,886 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-25 00:01:09,886 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:09,886 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-25 00:01:09,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2023-11-25 00:01:09,887 INFO  L87              Difference]: Start difference. First operand 4402 states and 8987 transitions. Second operand  has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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)
[2023-11-25 00:01:10,206 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:10,206 INFO  L93              Difference]: Finished difference Result 4297 states and 8768 transitions.
[2023-11-25 00:01:10,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-11-25 00:01:10,207 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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 105
[2023-11-25 00:01:10,207 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:10,218 INFO  L225             Difference]: With dead ends: 4297
[2023-11-25 00:01:10,219 INFO  L226             Difference]: Without dead ends: 4233
[2023-11-25 00:01:10,219 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272
[2023-11-25 00:01:10,220 INFO  L413           NwaCegarLoop]: 169 mSDtfsCounter, 568 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:10,220 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 695 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-25 00:01:10,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4233 states.
[2023-11-25 00:01:10,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4233 to 3877.
[2023-11-25 00:01:10,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3877 states, 3861 states have (on average 2.051282051282051) internal successors, (7920), 3876 states have internal predecessors, (7920), 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)
[2023-11-25 00:01:10,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3877 states and 7920 transitions.
[2023-11-25 00:01:10,324 INFO  L78                 Accepts]: Start accepts. Automaton has 3877 states and 7920 transitions. Word has length 105
[2023-11-25 00:01:10,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:10,325 INFO  L495      AbstractCegarLoop]: Abstraction has 3877 states and 7920 transitions.
[2023-11-25 00:01:10,325 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 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)
[2023-11-25 00:01:10,325 INFO  L276                IsEmpty]: Start isEmpty. Operand 3877 states and 7920 transitions.
[2023-11-25 00:01:10,328 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2023-11-25 00:01:10,329 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:10,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:10,329 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-25 00:01:10,330 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:10,330 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:10,330 INFO  L85        PathProgramCache]: Analyzing trace with hash 256638793, now seen corresponding path program 1 times
[2023-11-25 00:01:10,331 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:10,331 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951089800]
[2023-11-25 00:01:10,331 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:10,331 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:10,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:10,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:10,413 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:10,413 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951089800]
[2023-11-25 00:01:10,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951089800] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:10,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-25 00:01:10,414 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-25 00:01:10,414 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479314930]
[2023-11-25 00:01:10,414 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:10,414 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-25 00:01:10,415 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:10,415 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-25 00:01:10,415 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-25 00:01:10,416 INFO  L87              Difference]: Start difference. First operand 3877 states and 7920 transitions. Second operand  has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 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)
[2023-11-25 00:01:10,482 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:10,483 INFO  L93              Difference]: Finished difference Result 3974 states and 8122 transitions.
[2023-11-25 00:01:10,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-25 00:01:10,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 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 107
[2023-11-25 00:01:10,484 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:10,493 INFO  L225             Difference]: With dead ends: 3974
[2023-11-25 00:01:10,493 INFO  L226             Difference]: Without dead ends: 3016
[2023-11-25 00:01:10,495 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
[2023-11-25 00:01:10,496 INFO  L413           NwaCegarLoop]: 254 mSDtfsCounter, 90 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:10,497 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 412 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-25 00:01:10,504 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3016 states.
[2023-11-25 00:01:10,602 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 2899.
[2023-11-25 00:01:10,607 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2899 states, 2889 states have (on average 2.022152994115611) internal successors, (5842), 2898 states have internal predecessors, (5842), 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)
[2023-11-25 00:01:10,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5842 transitions.
[2023-11-25 00:01:10,616 INFO  L78                 Accepts]: Start accepts. Automaton has 2899 states and 5842 transitions. Word has length 107
[2023-11-25 00:01:10,617 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:10,617 INFO  L495      AbstractCegarLoop]: Abstraction has 2899 states and 5842 transitions.
[2023-11-25 00:01:10,617 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 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)
[2023-11-25 00:01:10,618 INFO  L276                IsEmpty]: Start isEmpty. Operand 2899 states and 5842 transitions.
[2023-11-25 00:01:10,622 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-11-25 00:01:10,622 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:10,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:10,622 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-11-25 00:01:10,623 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:10,623 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:10,624 INFO  L85        PathProgramCache]: Analyzing trace with hash 976658147, now seen corresponding path program 1 times
[2023-11-25 00:01:10,624 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:10,624 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863340993]
[2023-11-25 00:01:10,624 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:10,625 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:10,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:12,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:12,309 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:12,309 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863340993]
[2023-11-25 00:01:12,309 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863340993] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-25 00:01:12,310 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800732926]
[2023-11-25 00:01:12,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:12,310 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-25 00:01:12,310 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3
[2023-11-25 00:01:12,314 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-25 00:01:12,339 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-25 00:01:12,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:12,508 INFO  L262         TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-11-25 00:01:12,528 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-25 00:01:12,636 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-11-25 00:01:12,686 INFO  L349             Elim1Store]: treesize reduction 18, result has 35.7 percent of original size
[2023-11-25 00:01:12,686 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21
[2023-11-25 00:01:12,826 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:12,835 INFO  L349             Elim1Store]: treesize reduction 4, result has 66.7 percent of original size
[2023-11-25 00:01:12,836 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18
[2023-11-25 00:01:13,397 INFO  L349             Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2023-11-25 00:01:13,398 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32
[2023-11-25 00:01:13,542 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:13,544 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18
[2023-11-25 00:01:13,569 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-25 00:01:13,634 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27
[2023-11-25 00:01:13,728 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-25 00:01:13,728 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-25 00:01:13,851 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-25 00:01:13,852 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-25 00:01:14,100 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12
[2023-11-25 00:01:14,216 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:14,217 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:14,279 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:14,281 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:14,326 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:14,328 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:14,368 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:14,370 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:14,449 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:14,468 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:14,468 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-25 00:01:14,469 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800732926] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:14,469 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-25 00:01:14,469 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 25
[2023-11-25 00:01:14,469 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416151821]
[2023-11-25 00:01:14,470 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:14,470 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-25 00:01:14,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:14,471 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-25 00:01:14,472 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650
[2023-11-25 00:01:14,472 INFO  L87              Difference]: Start difference. First operand 2899 states and 5842 transitions. Second operand  has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 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)
[2023-11-25 00:01:16,360 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:16,360 INFO  L93              Difference]: Finished difference Result 2919 states and 5867 transitions.
[2023-11-25 00:01:16,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-11-25 00:01:16,361 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 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 111
[2023-11-25 00:01:16,361 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:16,369 INFO  L225             Difference]: With dead ends: 2919
[2023-11-25 00:01:16,369 INFO  L226             Difference]: Without dead ends: 2903
[2023-11-25 00:01:16,370 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=326, Invalid=1234, Unknown=0, NotChecked=0, Total=1560
[2023-11-25 00:01:16,370 INFO  L413           NwaCegarLoop]: 347 mSDtfsCounter, 755 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:16,371 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 2172 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2023-11-25 00:01:16,378 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2903 states.
[2023-11-25 00:01:16,429 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2903 to 2895.
[2023-11-25 00:01:16,434 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2895 states, 2885 states have (on average 2.021837088388215) internal successors, (5833), 2894 states have internal predecessors, (5833), 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)
[2023-11-25 00:01:16,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5833 transitions.
[2023-11-25 00:01:16,441 INFO  L78                 Accepts]: Start accepts. Automaton has 2895 states and 5833 transitions. Word has length 111
[2023-11-25 00:01:16,441 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:16,442 INFO  L495      AbstractCegarLoop]: Abstraction has 2895 states and 5833 transitions.
[2023-11-25 00:01:16,442 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 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)
[2023-11-25 00:01:16,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 2895 states and 5833 transitions.
[2023-11-25 00:01:16,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-11-25 00:01:16,445 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:16,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:16,455 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-25 00:01:16,652 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-25 00:01:16,652 INFO  L420      AbstractCegarLoop]: === Iteration 17 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:16,653 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:16,653 INFO  L85        PathProgramCache]: Analyzing trace with hash 906601563, now seen corresponding path program 2 times
[2023-11-25 00:01:16,653 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:16,653 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201700400]
[2023-11-25 00:01:16,653 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:16,653 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:16,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:18,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:18,031 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:18,031 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201700400]
[2023-11-25 00:01:18,032 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201700400] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-25 00:01:18,032 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585454667]
[2023-11-25 00:01:18,032 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-25 00:01:18,032 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-25 00:01:18,032 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3
[2023-11-25 00:01:18,034 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-25 00:01:18,052 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-25 00:01:18,210 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-25 00:01:18,210 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-25 00:01:18,213 INFO  L262         TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-11-25 00:01:18,225 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-25 00:01:18,257 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-11-25 00:01:18,351 INFO  L349             Elim1Store]: treesize reduction 4, result has 66.7 percent of original size
[2023-11-25 00:01:18,351 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15
[2023-11-25 00:01:18,917 INFO  L349             Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2023-11-25 00:01:18,918 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33
[2023-11-25 00:01:19,070 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:19,073 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19
[2023-11-25 00:01:19,105 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-25 00:01:19,178 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27
[2023-11-25 00:01:19,255 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-25 00:01:19,255 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-25 00:01:19,449 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2023-11-25 00:01:19,541 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:19,547 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35
[2023-11-25 00:01:19,586 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-25 00:01:19,586 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-25 00:01:19,684 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:19,686 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:19,727 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:19,728 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:19,758 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:19,760 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:19,827 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-25 00:01:19,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:19,841 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-25 00:01:19,842 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [585454667] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-25 00:01:19,842 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-25 00:01:19,842 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 26
[2023-11-25 00:01:19,842 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789880231]
[2023-11-25 00:01:19,843 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-25 00:01:19,844 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-25 00:01:19,844 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:19,845 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-25 00:01:19,845 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702
[2023-11-25 00:01:19,846 INFO  L87              Difference]: Start difference. First operand 2895 states and 5833 transitions. Second operand  has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 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)
[2023-11-25 00:01:22,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-25 00:01:22,044 INFO  L93              Difference]: Finished difference Result 2942 states and 5909 transitions.
[2023-11-25 00:01:22,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2023-11-25 00:01:22,045 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 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 111
[2023-11-25 00:01:22,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-25 00:01:22,054 INFO  L225             Difference]: With dead ends: 2942
[2023-11-25 00:01:22,054 INFO  L226             Difference]: Without dead ends: 2929
[2023-11-25 00:01:22,055 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=393, Invalid=1587, Unknown=0, NotChecked=0, Total=1980
[2023-11-25 00:01:22,056 INFO  L413           NwaCegarLoop]: 344 mSDtfsCounter, 589 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2023-11-25 00:01:22,057 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 2344 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2023-11-25 00:01:22,064 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2929 states.
[2023-11-25 00:01:22,118 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2929 to 2909.
[2023-11-25 00:01:22,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2909 states, 2899 states have (on average 2.0189720593308036) internal successors, (5853), 2908 states have internal predecessors, (5853), 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)
[2023-11-25 00:01:22,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 5853 transitions.
[2023-11-25 00:01:22,131 INFO  L78                 Accepts]: Start accepts. Automaton has 2909 states and 5853 transitions. Word has length 111
[2023-11-25 00:01:22,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-25 00:01:22,131 INFO  L495      AbstractCegarLoop]: Abstraction has 2909 states and 5853 transitions.
[2023-11-25 00:01:22,132 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 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)
[2023-11-25 00:01:22,132 INFO  L276                IsEmpty]: Start isEmpty. Operand 2909 states and 5853 transitions.
[2023-11-25 00:01:22,135 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-11-25 00:01:22,135 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-25 00:01:22,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-25 00:01:22,148 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-25 00:01:22,343 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2023-11-25 00:01:22,343 INFO  L420      AbstractCegarLoop]: === Iteration 18 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-25 00:01:22,344 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-25 00:01:22,344 INFO  L85        PathProgramCache]: Analyzing trace with hash 2049853731, now seen corresponding path program 3 times
[2023-11-25 00:01:22,344 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-25 00:01:22,344 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814482983]
[2023-11-25 00:01:22,344 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-25 00:01:22,345 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-25 00:01:22,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-25 00:01:23,788 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:23,789 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-25 00:01:23,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814482983]
[2023-11-25 00:01:23,789 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814482983] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-25 00:01:23,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874082818]
[2023-11-25 00:01:23,789 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-11-25 00:01:23,789 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-25 00:01:23,789 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3
[2023-11-25 00:01:23,803 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-25 00:01:23,827 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54190e0b-c510-4a00-8c0b-e3ef3ada2d0e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-25 00:01:24,230 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-11-25 00:01:24,230 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-25 00:01:24,234 INFO  L262         TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 69 conjunts are in the unsatisfiable core
[2023-11-25 00:01:24,244 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-25 00:01:24,255 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-11-25 00:01:24,301 INFO  L349             Elim1Store]: treesize reduction 18, result has 35.7 percent of original size
[2023-11-25 00:01:24,301 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21
[2023-11-25 00:01:24,438 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:24,445 INFO  L349             Elim1Store]: treesize reduction 4, result has 66.7 percent of original size
[2023-11-25 00:01:24,445 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18
[2023-11-25 00:01:25,358 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2023-11-25 00:01:25,540 INFO  L349             Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2023-11-25 00:01:25,540 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32
[2023-11-25 00:01:25,989 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:25,990 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18
[2023-11-25 00:01:26,042 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2023-11-25 00:01:26,124 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2023-11-25 00:01:26,294 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12
[2023-11-25 00:01:26,385 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:26,386 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2023-11-25 00:01:26,425 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28
[2023-11-25 00:01:26,517 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38
[2023-11-25 00:01:26,620 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:26,621 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26
[2023-11-25 00:01:26,654 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:26,655 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26
[2023-11-25 00:01:26,690 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-25 00:01:26,691 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26
[2023-11-25 00:01:26,813 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26
[2023-11-25 00:01:26,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-25 00:01:26,879 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-25 00:01:26,937 WARN  L854   $PredicateComparison]: unable to prove that (let ((.cse0 (* c_threadThread1of1ForFork0_~j~0 4))) (and (forall ((v_ArrVal_630 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_630 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_630 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_630 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false
[2023-11-25 00:01:26,987 WARN  L854   $PredicateComparison]: unable to prove that (let ((.cse0 (* c_threadThread1of1ForFork0_~j~0 4))) (and (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse0 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset 3 .cse0)))) (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse0)) |c_threadThread1of1ForFork0_#t~nondet4|)))) is different from false
[2023-11-25 00:01:27,049 WARN  L854   $PredicateComparison]: unable to prove that (let ((.cse2 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse1 (+ c_~datas~0.offset 3 .cse2))) (let ((.cse0 (store |c_#race| c_~datas~0.base (store (select |c_#race| c_~datas~0.base) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)))) (and (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= |c_threadThread1of1ForFork0_#t~nondet4| (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) .cse1))) (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse2)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset 2 .cse2)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)) |c_threadThread1of1ForFork0_#t~nondet4|)))))) is different from false
[2023-11-25 00:01:27,366 WARN  L854   $PredicateComparison]: unable to prove that (let ((.cse2 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse0 (+ c_~datas~0.offset 2 .cse2)) (.cse1 (+ c_~datas~0.offset 3 .cse2))) (and (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse2 1)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) .cse0) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) |c_ULTIMATE.start_main_#t~mem25#1.base| v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse2)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false
[2023-11-25 00:01:27,405 WARN  L854   $PredicateComparison]: unable to prove that (let ((.cse3 (* c_threadThread1of1ForFork0_~j~0 4))) (let ((.cse0 (+ c_~datas~0.offset 2 .cse3)) (.cse1 (+ c_~datas~0.offset 3 .cse3)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (and (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) .cse2 v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse3)) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) .cse2 v_ArrVal_630) c_~datas~0.base) .cse1) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) .cse2 v_ArrVal_630) c_~datas~0.base) .cse0) |c_threadThread1of1ForFork0_#t~nondet4|)) (forall ((v_ArrVal_623 (Array Int Int)) (v_ArrVal_629 (Array Int Int)) (v_ArrVal_630 (Array Int Int))) (= (select (select (store (store (store |c_#race| c_~datas~0.base (store (store (select (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_623) c_~datas~0.base) .cse0 |c_threadThread1of1ForFork0_#t~nondet4|) .cse1 |c_threadThread1of1ForFork0_#t~nondet4|)) |c_ULTIMATE.start_main_~#tids~0#1.base| v_ArrVal_629) .cse2 v_ArrVal_630) c_~datas~0.base) (+ c_~datas~0.offset .cse3 1)) |c_threadThread1of1ForFork0_#t~nondet4|))))) is different from false
[2023-11-25 00:01:27,837 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-25 00:01:27,838 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 112
[2023-11-25 00:01:27,849 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-25 00:01:27,850 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 95
[2023-11-25 00:01:27,858 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 52
[2023-11-25 00:01:27,863 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28
[2023-11-25 00:01:27,890 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-11-25 00:01:27,891 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-11-25 00:01:27,894 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-11-25 00:01:27,894 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-11-25 00:01:27,901 INFO  L349             Elim1Store]: treesize reduction 25, result has 3.8 percent of original size
[2023-11-25 00:01:27,901 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1
[2023-11-25 00:01:27,904 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-11-25 00:01:27,905 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-11-25 00:01:28,609 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4
[2023-11-25 00:01:28,614 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 64
[2023-11-25 00:01:28,628 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30
[2023-11-25 00:01:28,882 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked.
[2023-11-25 00:01:28,882 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874082818] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-25 00:01:28,882 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [944425133]
[2023-11-25 00:01:28,897 FATAL L?                        ?]: Ignoring exception!
java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
	at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.<init>(PathProgram.java:235)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.<init>(SifaRunner.java:91)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2023-11-25 00:01:28,900 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-25 00:01:28,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20, 16] total 47
[2023-11-25 00:01:28,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327911355]
[2023-11-25 00:01:28,901 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-25 00:01:28,902 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 48 states
[2023-11-25 00:01:28,902 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-25 00:01:28,903 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants.
[2023-11-25 00:01:28,904 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1580, Unknown=51, NotChecked=430, Total=2256
[2023-11-25 00:01:28,905 INFO  L87              Difference]: Start difference. First operand 2909 states and 5853 transitions. Second operand  has 48 states, 47 states have (on average 5.51063829787234) internal successors, (259), 48 states have internal predecessors, (259), 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)