./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 289adcaae4c50abff0035518c5703ebebf5bd048dfea932ca710de251a5a744e
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:36:15,738 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:36:15,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 07:36:15,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:36:15,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:36:15,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:36:15,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:36:15,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:36:15,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:36:15,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:36:15,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:36:15,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:36:15,847 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:36:15,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:36:15,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:36:15,849 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:36:15,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:36:15,850 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:36:15,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:36:15,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:36:15,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:36:15,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:36:15,853 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 07:36:15,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:36:15,854 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:36:15,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:36:15,855 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:36:15,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:36:15,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:36:15,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:36:15,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:15,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:36:15,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:36:15,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:36:15,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:36:15,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:36:15,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:36:15,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:36:15,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:36:15,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:36:15,862 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:36:15,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 289adcaae4c50abff0035518c5703ebebf5bd048dfea932ca710de251a5a744e
[2023-11-19 07:36:16,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:36:16,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:36:16,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:36:16,244 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:36:16,244 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:36:16,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race.i
[2023-11-19 07:36:19,496 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:36:19,827 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:36:19,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/sv-benchmarks/c/pthread-race-challenges/per-thread-array-index-race.i
[2023-11-19 07:36:19,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/data/8ff3f1d46/484370f64c33458a8c23f5a471a59f9c/FLAG895d4eabc
[2023-11-19 07:36:19,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/data/8ff3f1d46/484370f64c33458a8c23f5a471a59f9c
[2023-11-19 07:36:19,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:36:19,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:36:19,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:19,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:36:19,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:36:19,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:19" (1/1) ...
[2023-11-19 07:36:19,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf1b9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:19, skipping insertion in model container
[2023-11-19 07:36:19,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:19" (1/1) ...
[2023-11-19 07:36:19,978 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:36:20,150 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:36:20,546 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:20,558 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:36:20,588 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:36:20,647 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:20,731 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:36:20,740 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:36:20,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20 WrapperNode
[2023-11-19 07:36:20,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:20,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:20,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:36:20,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:36:20,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,838 INFO L138 Inliner]: procedures = 266, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87
[2023-11-19 07:36:20,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:20,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:36:20,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:36:20,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:36:20,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:36:20,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:36:20,889 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:36:20,890 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:36:20,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ...
[2023-11-19 07:36:20,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:36:20,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:20,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:20,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:36:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:36:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:36:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:36:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 07:36:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:36:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:36:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:36:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread
[2023-11-19 07:36:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread
[2023-11-19 07:36:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:36:20,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:36:20,982 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:36:21,161 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:36:21,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:36:21,579 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:36:21,591 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:36:21,591 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:36:21,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:21 BoogieIcfgContainer
[2023-11-19 07:36:21,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:36:21,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:36:21,612 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:36:21,616 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:36:21,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:19" (1/3) ...
[2023-11-19 07:36:21,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ae648b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:21, skipping insertion in model container
[2023-11-19 07:36:21,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (2/3) ...
[2023-11-19 07:36:21,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ae648b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:21, skipping insertion in model container
[2023-11-19 07:36:21,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:21" (3/3) ...
[2023-11-19 07:36:21,622 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-index-race.i
[2023-11-19 07:36:21,633 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:36:21,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:36:21,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-19 07:36:21,648 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:36:21,747 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-19 07:36:21,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 116 transitions, 239 flow
[2023-11-19 07:36:21,931 INFO L124 PetriNetUnfolderBase]: 6/168 cut-off events.
[2023-11-19 07:36:21,931 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 07:36:21,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 168 events. 6/168 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 355 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 82. Up to 4 conditions per place.
[2023-11-19 07:36:21,938 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 116 transitions, 239 flow
[2023-11-19 07:36:21,944 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 116 transitions, 239 flow
[2023-11-19 07:36:21,949 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:36:21,961 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 116 transitions, 239 flow
[2023-11-19 07:36:21,964 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 116 transitions, 239 flow
[2023-11-19 07:36:21,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 116 transitions, 239 flow
[2023-11-19 07:36:22,015 INFO L124 PetriNetUnfolderBase]: 6/168 cut-off events.
[2023-11-19 07:36:22,015 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 07:36:22,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 168 events. 6/168 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 355 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 82. Up to 4 conditions per place.
[2023-11-19 07:36:22,020 INFO L119 LiptonReduction]: Number of co-enabled transitions 2360
[2023-11-19 07:36:24,915 INFO L134 LiptonReduction]: Checked pairs total: 11043
[2023-11-19 07:36:24,915 INFO L136 LiptonReduction]: Total number of compositions: 74
[2023-11-19 07:36:24,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:36:24,943 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e647e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:36:24,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2023-11-19 07:36:24,949 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:36:24,949 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2023-11-19 07:36:24,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:36:24,950 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:24,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:36:24,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2023-11-19 07:36:24,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:24,958 INFO L85 PathProgramCache]: Analyzing trace with hash 381, now seen corresponding path program 1 times
[2023-11-19 07:36:24,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:24,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113111369]
[2023-11-19 07:36:24,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:24,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:25,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:25,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113111369]
[2023-11-19 07:36:25,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113111369] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:25,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:25,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:36:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882841334]
[2023-11-19 07:36:25,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:25,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:36:25,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:25,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:36:25,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:25,142 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 190
[2023-11-19 07:36:25,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 50 transitions, 107 flow. Second operand has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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)
[2023-11-19 07:36:25,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:25,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 190
[2023-11-19 07:36:25,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:25,236 INFO L124 PetriNetUnfolderBase]: 41/221 cut-off events.
[2023-11-19 07:36:25,236 INFO L125 PetriNetUnfolderBase]: For 8/12 co-relation queries the response was YES.
[2023-11-19 07:36:25,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 221 events. 41/221 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1031 event pairs, 40 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 275. Up to 105 conditions per place.
[2023-11-19 07:36:25,240 INFO L140 encePairwiseOnDemand]: 189/190 looper letters, 17 selfloop transitions, 0 changer transitions 0/49 dead transitions.
[2023-11-19 07:36:25,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 139 flow
[2023-11-19 07:36:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:36:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:36:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 240 transitions.
[2023-11-19 07:36:25,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.631578947368421
[2023-11-19 07:36:25,256 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 240 transitions.
[2023-11-19 07:36:25,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 240 transitions.
[2023-11-19 07:36:25,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:25,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 240 transitions.
[2023-11-19 07:36:25,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 120.0) internal successors, (240), 2 states have internal predecessors, (240), 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)
[2023-11-19 07:36:25,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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)
[2023-11-19 07:36:25,281 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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)
[2023-11-19 07:36:25,284 INFO L175 Difference]: Start difference. First operand has 52 places, 50 transitions, 107 flow. Second operand 2 states and 240 transitions.
[2023-11-19 07:36:25,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 139 flow
[2023-11-19 07:36:25,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 49 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:25,291 INFO L231 Difference]: Finished difference. Result has 52 places, 49 transitions, 105 flow
[2023-11-19 07:36:25,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=105, PETRI_PLACES=52, PETRI_TRANSITIONS=49}
[2023-11-19 07:36:25,297 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places.
[2023-11-19 07:36:25,298 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 49 transitions, 105 flow
[2023-11-19 07:36:25,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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)
[2023-11-19 07:36:25,298 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:25,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:25,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:36:25,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2023-11-19 07:36:25,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:25,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1010193157, now seen corresponding path program 1 times
[2023-11-19 07:36:25,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:25,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997833428]
[2023-11-19 07:36:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:25,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:25,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:25,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997833428]
[2023-11-19 07:36:25,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997833428] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:25,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:25,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:25,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054050348]
[2023-11-19 07:36:25,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:25,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:25,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:25,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:26,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 190
[2023-11-19 07:36:26,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 49 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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)
[2023-11-19 07:36:26,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:26,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 190
[2023-11-19 07:36:26,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:26,525 INFO L124 PetriNetUnfolderBase]: 245/703 cut-off events.
[2023-11-19 07:36:26,526 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES.
[2023-11-19 07:36:26,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 703 events. 245/703 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4010 event pairs, 86 based on Foata normal form. 1/658 useless extension candidates. Maximal degree in co-relation 1287. Up to 291 conditions per place.
[2023-11-19 07:36:26,540 INFO L140 encePairwiseOnDemand]: 167/190 looper letters, 61 selfloop transitions, 29 changer transitions 0/102 dead transitions.
[2023-11-19 07:36:26,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 102 transitions, 394 flow
[2023-11-19 07:36:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:36:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:36:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 603 transitions.
[2023-11-19 07:36:26,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5289473684210526
[2023-11-19 07:36:26,550 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 603 transitions.
[2023-11-19 07:36:26,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 603 transitions.
[2023-11-19 07:36:26,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:26,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 603 transitions.
[2023-11-19 07:36:26,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.5) internal successors, (603), 6 states have internal predecessors, (603), 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)
[2023-11-19 07:36:26,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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)
[2023-11-19 07:36:26,564 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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)
[2023-11-19 07:36:26,567 INFO L175 Difference]: Start difference. First operand has 52 places, 49 transitions, 105 flow. Second operand 6 states and 603 transitions.
[2023-11-19 07:36:26,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 102 transitions, 394 flow
[2023-11-19 07:36:26,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 102 transitions, 394 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:26,576 INFO L231 Difference]: Finished difference. Result has 62 places, 78 transitions, 325 flow
[2023-11-19 07:36:26,577 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=325, PETRI_PLACES=62, PETRI_TRANSITIONS=78}
[2023-11-19 07:36:26,578 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 10 predicate places.
[2023-11-19 07:36:26,579 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 78 transitions, 325 flow
[2023-11-19 07:36:26,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 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)
[2023-11-19 07:36:26,580 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:26,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:26,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:36:26,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2023-11-19 07:36:26,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1785032076, now seen corresponding path program 1 times
[2023-11-19 07:36:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:26,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685598454]
[2023-11-19 07:36:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:26,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:26,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685598454]
[2023-11-19 07:36:26,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685598454] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:26,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:26,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:36:26,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351608714]
[2023-11-19 07:36:26,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:26,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:26,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:26,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:26,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:26,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 190
[2023-11-19 07:36:26,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 78 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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)
[2023-11-19 07:36:26,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:26,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 190
[2023-11-19 07:36:26,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:26,841 INFO L124 PetriNetUnfolderBase]: 128/491 cut-off events.
[2023-11-19 07:36:26,841 INFO L125 PetriNetUnfolderBase]: For 121/132 co-relation queries the response was YES.
[2023-11-19 07:36:26,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 491 events. 128/491 cut-off events. For 121/132 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2719 event pairs, 10 based on Foata normal form. 14/475 useless extension candidates. Maximal degree in co-relation 1097. Up to 142 conditions per place.
[2023-11-19 07:36:26,848 INFO L140 encePairwiseOnDemand]: 186/190 looper letters, 26 selfloop transitions, 2 changer transitions 0/84 dead transitions.
[2023-11-19 07:36:26,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 84 transitions, 395 flow
[2023-11-19 07:36:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:36:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:36:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions.
[2023-11-19 07:36:26,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5947368421052631
[2023-11-19 07:36:26,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 339 transitions.
[2023-11-19 07:36:26,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 339 transitions.
[2023-11-19 07:36:26,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:26,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 339 transitions.
[2023-11-19 07:36:26,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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)
[2023-11-19 07:36:26,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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)
[2023-11-19 07:36:26,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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)
[2023-11-19 07:36:26,857 INFO L175 Difference]: Start difference. First operand has 62 places, 78 transitions, 325 flow. Second operand 3 states and 339 transitions.
[2023-11-19 07:36:26,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 84 transitions, 395 flow
[2023-11-19 07:36:26,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 84 transitions, 395 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:26,871 INFO L231 Difference]: Finished difference. Result has 63 places, 78 transitions, 335 flow
[2023-11-19 07:36:26,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=63, PETRI_TRANSITIONS=78}
[2023-11-19 07:36:26,873 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 11 predicate places.
[2023-11-19 07:36:26,873 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 78 transitions, 335 flow
[2023-11-19 07:36:26,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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)
[2023-11-19 07:36:26,874 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:26,874 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:26,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:36:26,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2023-11-19 07:36:26,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:26,881 INFO L85 PathProgramCache]: Analyzing trace with hash -566011488, now seen corresponding path program 1 times
[2023-11-19 07:36:26,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:26,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992597424]
[2023-11-19 07:36:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:26,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:27,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:27,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992597424]
[2023-11-19 07:36:27,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992597424] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:27,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:27,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:27,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713830262]
[2023-11-19 07:36:27,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:27,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:27,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:27,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:27,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:27,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 190
[2023-11-19 07:36:27,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 78 transitions, 335 flow. Second operand has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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)
[2023-11-19 07:36:27,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:27,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 190
[2023-11-19 07:36:27,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:27,878 INFO L124 PetriNetUnfolderBase]: 228/665 cut-off events.
[2023-11-19 07:36:27,878 INFO L125 PetriNetUnfolderBase]: For 293/299 co-relation queries the response was YES.
[2023-11-19 07:36:27,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1721 conditions, 665 events. 228/665 cut-off events. For 293/299 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3569 event pairs, 57 based on Foata normal form. 0/627 useless extension candidates. Maximal degree in co-relation 1711. Up to 360 conditions per place.
[2023-11-19 07:36:27,884 INFO L140 encePairwiseOnDemand]: 179/190 looper letters, 52 selfloop transitions, 33 changer transitions 8/128 dead transitions.
[2023-11-19 07:36:27,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 128 transitions, 724 flow
[2023-11-19 07:36:27,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:36:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:36:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 629 transitions.
[2023-11-19 07:36:27,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5517543859649123
[2023-11-19 07:36:27,888 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 629 transitions.
[2023-11-19 07:36:27,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 629 transitions.
[2023-11-19 07:36:27,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:27,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 629 transitions.
[2023-11-19 07:36:27,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 104.83333333333333) internal successors, (629), 6 states have internal predecessors, (629), 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)
[2023-11-19 07:36:27,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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)
[2023-11-19 07:36:27,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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)
[2023-11-19 07:36:27,896 INFO L175 Difference]: Start difference. First operand has 63 places, 78 transitions, 335 flow. Second operand 6 states and 629 transitions.
[2023-11-19 07:36:27,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 128 transitions, 724 flow
[2023-11-19 07:36:27,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 128 transitions, 724 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:27,907 INFO L231 Difference]: Finished difference. Result has 73 places, 108 transitions, 636 flow
[2023-11-19 07:36:27,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=636, PETRI_PLACES=73, PETRI_TRANSITIONS=108}
[2023-11-19 07:36:27,909 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 21 predicate places.
[2023-11-19 07:36:27,909 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 108 transitions, 636 flow
[2023-11-19 07:36:27,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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)
[2023-11-19 07:36:27,910 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:27,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:27,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:36:27,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2023-11-19 07:36:27,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1779970234, now seen corresponding path program 1 times
[2023-11-19 07:36:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:27,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464741293]
[2023-11-19 07:36:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:28,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:28,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464741293]
[2023-11-19 07:36:28,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464741293] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:28,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:28,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:28,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192645017]
[2023-11-19 07:36:28,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:28,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:28,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:28,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:28,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:28,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 190
[2023-11-19 07:36:28,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 108 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 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)
[2023-11-19 07:36:28,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:28,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 190
[2023-11-19 07:36:28,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:28,944 INFO L124 PetriNetUnfolderBase]: 402/1014 cut-off events.
[2023-11-19 07:36:28,944 INFO L125 PetriNetUnfolderBase]: For 764/772 co-relation queries the response was YES.
[2023-11-19 07:36:28,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3284 conditions, 1014 events. 402/1014 cut-off events. For 764/772 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5990 event pairs, 103 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 3269. Up to 729 conditions per place.
[2023-11-19 07:36:28,956 INFO L140 encePairwiseOnDemand]: 168/190 looper letters, 105 selfloop transitions, 76 changer transitions 24/218 dead transitions.
[2023-11-19 07:36:28,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 218 transitions, 1522 flow
[2023-11-19 07:36:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:36:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:36:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 634 transitions.
[2023-11-19 07:36:28,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5561403508771929
[2023-11-19 07:36:28,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 634 transitions.
[2023-11-19 07:36:28,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 634 transitions.
[2023-11-19 07:36:28,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:28,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 634 transitions.
[2023-11-19 07:36:28,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.66666666666667) internal successors, (634), 6 states have internal predecessors, (634), 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)
[2023-11-19 07:36:28,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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)
[2023-11-19 07:36:28,968 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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)
[2023-11-19 07:36:28,968 INFO L175 Difference]: Start difference. First operand has 73 places, 108 transitions, 636 flow. Second operand 6 states and 634 transitions.
[2023-11-19 07:36:28,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 218 transitions, 1522 flow
[2023-11-19 07:36:28,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 218 transitions, 1522 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:28,982 INFO L231 Difference]: Finished difference. Result has 81 places, 174 transitions, 1227 flow
[2023-11-19 07:36:28,983 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1227, PETRI_PLACES=81, PETRI_TRANSITIONS=174}
[2023-11-19 07:36:28,984 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 29 predicate places.
[2023-11-19 07:36:28,984 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 174 transitions, 1227 flow
[2023-11-19 07:36:28,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 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)
[2023-11-19 07:36:28,985 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:28,985 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
[2023-11-19 07:36:28,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:36:28,985 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2023-11-19 07:36:28,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:28,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1670674567, now seen corresponding path program 1 times
[2023-11-19 07:36:28,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:28,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158809431]
[2023-11-19 07:36:28,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:29,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:36:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:29,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:36:29,087 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:36:29,088 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining)
[2023-11-19 07:36:29,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining)
[2023-11-19 07:36:29,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining)
[2023-11-19 07:36:29,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining)
[2023-11-19 07:36:29,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining)
[2023-11-19 07:36:29,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining)
[2023-11-19 07:36:29,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining)
[2023-11-19 07:36:29,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining)
[2023-11-19 07:36:29,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining)
[2023-11-19 07:36:29,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining)
[2023-11-19 07:36:29,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining)
[2023-11-19 07:36:29,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:36:29,100 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:29,103 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-19 07:36:29,103 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-11-19 07:36:29,141 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-19 07:36:29,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 138 transitions, 292 flow
[2023-11-19 07:36:29,187 INFO L124 PetriNetUnfolderBase]: 11/297 cut-off events.
[2023-11-19 07:36:29,187 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2023-11-19 07:36:29,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 297 events. 11/297 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 752 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 170. Up to 8 conditions per place.
[2023-11-19 07:36:29,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 138 transitions, 292 flow
[2023-11-19 07:36:29,191 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 138 transitions, 292 flow
[2023-11-19 07:36:29,191 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:36:29,191 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 138 transitions, 292 flow
[2023-11-19 07:36:29,191 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 138 transitions, 292 flow
[2023-11-19 07:36:29,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 138 transitions, 292 flow
[2023-11-19 07:36:29,232 INFO L124 PetriNetUnfolderBase]: 11/297 cut-off events.
[2023-11-19 07:36:29,233 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2023-11-19 07:36:29,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 297 events. 11/297 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 752 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 170. Up to 8 conditions per place.
[2023-11-19 07:36:29,242 INFO L119 LiptonReduction]: Number of co-enabled transitions 6040
[2023-11-19 07:36:31,961 INFO L134 LiptonReduction]: Checked pairs total: 28074
[2023-11-19 07:36:31,962 INFO L136 LiptonReduction]: Total number of compositions: 82
[2023-11-19 07:36:31,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:36:31,967 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e647e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:36:31,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2023-11-19 07:36:31,968 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:36:31,968 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events.
[2023-11-19 07:36:31,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:36:31,968 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:31,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:36:31,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:31,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:31,969 INFO L85 PathProgramCache]: Analyzing trace with hash 622, now seen corresponding path program 1 times
[2023-11-19 07:36:31,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:31,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413022633]
[2023-11-19 07:36:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:31,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:32,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:32,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413022633]
[2023-11-19 07:36:32,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413022633] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:32,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:32,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:36:32,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451210188]
[2023-11-19 07:36:32,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:32,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:36:32,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:32,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:36:32,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:36:32,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 220
[2023-11-19 07:36:32,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 64 transitions, 144 flow. Second operand has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 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)
[2023-11-19 07:36:32,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:32,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 220
[2023-11-19 07:36:32,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:32,252 INFO L124 PetriNetUnfolderBase]: 598/1534 cut-off events.
[2023-11-19 07:36:32,253 INFO L125 PetriNetUnfolderBase]: For 89/217 co-relation queries the response was YES.
[2023-11-19 07:36:32,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1534 events. 598/1534 cut-off events. For 89/217 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 9638 event pairs, 590 based on Foata normal form. 0/1389 useless extension candidates. Maximal degree in co-relation 2212. Up to 1034 conditions per place.
[2023-11-19 07:36:32,267 INFO L140 encePairwiseOnDemand]: 219/220 looper letters, 24 selfloop transitions, 0 changer transitions 0/63 dead transitions.
[2023-11-19 07:36:32,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 63 transitions, 190 flow
[2023-11-19 07:36:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:36:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:36:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 287 transitions.
[2023-11-19 07:36:32,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6522727272727272
[2023-11-19 07:36:32,270 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 287 transitions.
[2023-11-19 07:36:32,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 287 transitions.
[2023-11-19 07:36:32,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:32,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 287 transitions.
[2023-11-19 07:36:32,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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)
[2023-11-19 07:36:32,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 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)
[2023-11-19 07:36:32,274 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 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)
[2023-11-19 07:36:32,274 INFO L175 Difference]: Start difference. First operand has 67 places, 64 transitions, 144 flow. Second operand 2 states and 287 transitions.
[2023-11-19 07:36:32,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 63 transitions, 190 flow
[2023-11-19 07:36:32,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 63 transitions, 190 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:32,277 INFO L231 Difference]: Finished difference. Result has 67 places, 63 transitions, 142 flow
[2023-11-19 07:36:32,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=142, PETRI_PLACES=67, PETRI_TRANSITIONS=63}
[2023-11-19 07:36:32,279 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 0 predicate places.
[2023-11-19 07:36:32,279 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 142 flow
[2023-11-19 07:36:32,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 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)
[2023-11-19 07:36:32,284 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:32,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:32,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:36:32,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:32,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:32,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1554530864, now seen corresponding path program 1 times
[2023-11-19 07:36:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:32,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032793681]
[2023-11-19 07:36:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:32,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032793681]
[2023-11-19 07:36:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032793681] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:32,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:32,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:32,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128538357]
[2023-11-19 07:36:32,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:32,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:32,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:32,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:32,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:32,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 220
[2023-11-19 07:36:32,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 102.16666666666667) internal successors, (613), 6 states have internal predecessors, (613), 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)
[2023-11-19 07:36:32,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:32,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 220
[2023-11-19 07:36:32,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:35,004 INFO L124 PetriNetUnfolderBase]: 6458/11952 cut-off events.
[2023-11-19 07:36:35,004 INFO L125 PetriNetUnfolderBase]: For 246/289 co-relation queries the response was YES.
[2023-11-19 07:36:35,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22630 conditions, 11952 events. 6458/11952 cut-off events. For 246/289 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 87196 event pairs, 1801 based on Foata normal form. 16/11413 useless extension candidates. Maximal degree in co-relation 22625. Up to 6366 conditions per place.
[2023-11-19 07:36:35,107 INFO L140 encePairwiseOnDemand]: 193/220 looper letters, 98 selfloop transitions, 48 changer transitions 0/162 dead transitions.
[2023-11-19 07:36:35,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 162 transitions, 643 flow
[2023-11-19 07:36:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:36:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:36:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions.
[2023-11-19 07:36:35,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.571969696969697
[2023-11-19 07:36:35,111 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 755 transitions.
[2023-11-19 07:36:35,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 755 transitions.
[2023-11-19 07:36:35,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:35,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 755 transitions.
[2023-11-19 07:36:35,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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)
[2023-11-19 07:36:35,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 220.0) internal successors, (1540), 7 states have internal predecessors, (1540), 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)
[2023-11-19 07:36:35,118 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 220.0) internal successors, (1540), 7 states have internal predecessors, (1540), 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)
[2023-11-19 07:36:35,118 INFO L175 Difference]: Start difference. First operand has 67 places, 63 transitions, 142 flow. Second operand 6 states and 755 transitions.
[2023-11-19 07:36:35,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 162 transitions, 643 flow
[2023-11-19 07:36:35,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 162 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:35,126 INFO L231 Difference]: Finished difference. Result has 77 places, 111 transitions, 484 flow
[2023-11-19 07:36:35,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=484, PETRI_PLACES=77, PETRI_TRANSITIONS=111}
[2023-11-19 07:36:35,129 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 10 predicate places.
[2023-11-19 07:36:35,129 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 111 transitions, 484 flow
[2023-11-19 07:36:35,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.16666666666667) internal successors, (613), 6 states have internal predecessors, (613), 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)
[2023-11-19 07:36:35,130 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:35,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:35,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:36:35,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:35,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:35,131 INFO L85 PathProgramCache]: Analyzing trace with hash -288272204, now seen corresponding path program 1 times
[2023-11-19 07:36:35,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:35,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204292672]
[2023-11-19 07:36:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:35,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:35,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204292672]
[2023-11-19 07:36:35,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204292672] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:35,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:35,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:36:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318010741]
[2023-11-19 07:36:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:35,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:36:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:36:35,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:36:35,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 220
[2023-11-19 07:36:35,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 111 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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)
[2023-11-19 07:36:35,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:35,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 220
[2023-11-19 07:36:35,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:36,060 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([578] L1023-10-->threadEXIT: Formula: (let ((.cse0 (select |v_#race_77| v_~datas~0.base_77)) (.cse1 (* v_threadThread1of2ForFork0_~i~0_39 4))) (and (= (select .cse0 (+ .cse1 v_~datas~0.offset_67 1)) |v_threadThread1of2ForFork0_#t~nondet4_26|) (= (select .cse0 (+ .cse1 2 v_~datas~0.offset_67)) |v_threadThread1of2ForFork0_#t~nondet4_26|) (= |v_threadThread1of2ForFork0_#t~nondet4_26| (select .cse0 (+ .cse1 3 v_~datas~0.offset_67))) (= |v_threadThread1of2ForFork0_#res.offset_9| 0) (= (select .cse0 (+ .cse1 v_~datas~0.offset_67)) |v_threadThread1of2ForFork0_#t~nondet4_26|) (= |v_threadThread1of2ForFork0_#res.base_9| 0))) InVars {#race=|v_#race_77|, ~datas~0.base=v_~datas~0.base_77, threadThread1of2ForFork0_~i~0=v_threadThread1of2ForFork0_~i~0_39, threadThread1of2ForFork0_#t~nondet4=|v_threadThread1of2ForFork0_#t~nondet4_26|, ~datas~0.offset=v_~datas~0.offset_67} OutVars{#race=|v_#race_77|, threadThread1of2ForFork0_#res.base=|v_threadThread1of2ForFork0_#res.base_9|, threadThread1of2ForFork0_#res.offset=|v_threadThread1of2ForFork0_#res.offset_9|, threadThread1of2ForFork0_#t~nondet3=|v_threadThread1of2ForFork0_#t~nondet3_17|, ~datas~0.base=v_~datas~0.base_77, threadThread1of2ForFork0_~i~0=v_threadThread1of2ForFork0_~i~0_39, ~datas~0.offset=v_~datas~0.offset_67} AuxVars[] AssignedVars[threadThread1of2ForFork0_#res.base, threadThread1of2ForFork0_#res.offset, threadThread1of2ForFork0_#t~nondet3, threadThread1of2ForFork0_#t~nondet4][58], [141#true, 2#ULTIMATE.startEXITtrue, Black: 146#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 147#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 148#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 149#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 46#threadEXITtrue, 58#L1023-5true, threadThread2of2ForFork0InUse, 144#true, 158#(= |#race~datas~0| 0)])
[2023-11-19 07:36:36,060 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,061 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,061 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,061 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,062 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([534] L1023-5-->L1023-7: Formula: (= (store |v_#race_68| v_~datas~0.base_57 (store (select |v_#race_68| v_~datas~0.base_57) (+ (* v_threadThread2of2ForFork0_~i~0_29 4) v_~datas~0.offset_51) |v_threadThread2of2ForFork0_#t~nondet4_21|)) |v_#race_67|) InVars {#race=|v_#race_68|, ~datas~0.base=v_~datas~0.base_57, ~datas~0.offset=v_~datas~0.offset_51, threadThread2of2ForFork0_~i~0=v_threadThread2of2ForFork0_~i~0_29} OutVars{#race=|v_#race_67|, ~datas~0.base=v_~datas~0.base_57, threadThread2of2ForFork0_#t~nondet4=|v_threadThread2of2ForFork0_#t~nondet4_21|, ~datas~0.offset=v_~datas~0.offset_51, threadThread2of2ForFork0_~i~0=v_threadThread2of2ForFork0_~i~0_29} AuxVars[] AssignedVars[#race, threadThread2of2ForFork0_#t~nondet4][92], [27#L1023-10true, 141#true, 2#ULTIMATE.startEXITtrue, Black: 146#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 147#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 148#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 149#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, 45#L1023-7true, 144#true, 158#(= |#race~datas~0| 0)])
[2023-11-19 07:36:36,062 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,062 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,062 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,062 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event
[2023-11-19 07:36:36,259 INFO L124 PetriNetUnfolderBase]: 2830/6581 cut-off events.
[2023-11-19 07:36:36,268 INFO L125 PetriNetUnfolderBase]: For 2320/2813 co-relation queries the response was YES.
[2023-11-19 07:36:36,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15351 conditions, 6581 events. 2830/6581 cut-off events. For 2320/2813 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 54135 event pairs, 975 based on Foata normal form. 134/6244 useless extension candidates. Maximal degree in co-relation 15341. Up to 2698 conditions per place.
[2023-11-19 07:36:36,328 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 41 selfloop transitions, 3 changer transitions 0/118 dead transitions.
[2023-11-19 07:36:36,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 118 transitions, 593 flow
[2023-11-19 07:36:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:36:36,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:36:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions.
[2023-11-19 07:36:36,331 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061
[2023-11-19 07:36:36,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions.
[2023-11-19 07:36:36,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions.
[2023-11-19 07:36:36,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:36,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions.
[2023-11-19 07:36:36,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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)
[2023-11-19 07:36:36,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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)
[2023-11-19 07:36:36,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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)
[2023-11-19 07:36:36,339 INFO L175 Difference]: Start difference. First operand has 77 places, 111 transitions, 484 flow. Second operand 3 states and 400 transitions.
[2023-11-19 07:36:36,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 118 transitions, 593 flow
[2023-11-19 07:36:36,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 118 transitions, 593 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:36,369 INFO L231 Difference]: Finished difference. Result has 77 places, 111 transitions, 499 flow
[2023-11-19 07:36:36,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=77, PETRI_TRANSITIONS=111}
[2023-11-19 07:36:36,371 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 10 predicate places.
[2023-11-19 07:36:36,371 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 111 transitions, 499 flow
[2023-11-19 07:36:36,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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)
[2023-11-19 07:36:36,372 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:36,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:36,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:36:36,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:36,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:36,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1152416638, now seen corresponding path program 1 times
[2023-11-19 07:36:36,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:36,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348890059]
[2023-11-19 07:36:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:36,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:36,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348890059]
[2023-11-19 07:36:36,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348890059] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:36,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:36,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:36,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321867869]
[2023-11-19 07:36:36,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:36,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:36,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:36,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:36,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:37,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 220
[2023-11-19 07:36:37,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 111 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 111.33333333333333) internal successors, (668), 6 states have internal predecessors, (668), 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)
[2023-11-19 07:36:37,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:37,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 220
[2023-11-19 07:36:37,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:39,291 INFO L124 PetriNetUnfolderBase]: 6190/11473 cut-off events.
[2023-11-19 07:36:39,291 INFO L125 PetriNetUnfolderBase]: For 7031/7170 co-relation queries the response was YES.
[2023-11-19 07:36:39,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30549 conditions, 11473 events. 6190/11473 cut-off events. For 7031/7170 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 83412 event pairs, 2144 based on Foata normal form. 0/10868 useless extension candidates. Maximal degree in co-relation 30538. Up to 7610 conditions per place.
[2023-11-19 07:36:39,398 INFO L140 encePairwiseOnDemand]: 205/220 looper letters, 115 selfloop transitions, 70 changer transitions 0/222 dead transitions.
[2023-11-19 07:36:39,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 222 transitions, 1329 flow
[2023-11-19 07:36:39,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:36:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:36:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 769 transitions.
[2023-11-19 07:36:39,403 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5825757575757575
[2023-11-19 07:36:39,403 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 769 transitions.
[2023-11-19 07:36:39,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 769 transitions.
[2023-11-19 07:36:39,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:39,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 769 transitions.
[2023-11-19 07:36:39,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.16666666666666) internal successors, (769), 6 states have internal predecessors, (769), 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)
[2023-11-19 07:36:39,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 220.0) internal successors, (1540), 7 states have internal predecessors, (1540), 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)
[2023-11-19 07:36:39,411 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 220.0) internal successors, (1540), 7 states have internal predecessors, (1540), 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)
[2023-11-19 07:36:39,411 INFO L175 Difference]: Start difference. First operand has 77 places, 111 transitions, 499 flow. Second operand 6 states and 769 transitions.
[2023-11-19 07:36:39,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 222 transitions, 1329 flow
[2023-11-19 07:36:39,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 222 transitions, 1329 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:39,430 INFO L231 Difference]: Finished difference. Result has 87 places, 180 transitions, 1153 flow
[2023-11-19 07:36:39,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1153, PETRI_PLACES=87, PETRI_TRANSITIONS=180}
[2023-11-19 07:36:39,431 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 20 predicate places.
[2023-11-19 07:36:39,432 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 180 transitions, 1153 flow
[2023-11-19 07:36:39,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.33333333333333) internal successors, (668), 6 states have internal predecessors, (668), 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)
[2023-11-19 07:36:39,432 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:39,432 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:39,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:36:39,433 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:39,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:39,433 INFO L85 PathProgramCache]: Analyzing trace with hash -854115475, now seen corresponding path program 1 times
[2023-11-19 07:36:39,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:39,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898806340]
[2023-11-19 07:36:39,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:39,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:40,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:40,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898806340]
[2023-11-19 07:36:40,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898806340] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:40,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:40,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:36:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904615926]
[2023-11-19 07:36:40,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:40,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:36:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:36:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:36:40,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 220
[2023-11-19 07:36:40,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 180 transitions, 1153 flow. Second operand has 6 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 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)
[2023-11-19 07:36:40,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:40,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 220
[2023-11-19 07:36:40,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:44,424 INFO L124 PetriNetUnfolderBase]: 12555/21684 cut-off events.
[2023-11-19 07:36:44,425 INFO L125 PetriNetUnfolderBase]: For 20396/20568 co-relation queries the response was YES.
[2023-11-19 07:36:44,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68967 conditions, 21684 events. 12555/21684 cut-off events. For 20396/20568 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 159149 event pairs, 3936 based on Foata normal form. 0/20255 useless extension candidates. Maximal degree in co-relation 68951. Up to 15345 conditions per place.
[2023-11-19 07:36:44,650 INFO L140 encePairwiseOnDemand]: 194/220 looper letters, 244 selfloop transitions, 132 changer transitions 0/393 dead transitions.
[2023-11-19 07:36:44,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 393 transitions, 2955 flow
[2023-11-19 07:36:44,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:36:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:36:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions.
[2023-11-19 07:36:44,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6022727272727273
[2023-11-19 07:36:44,655 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions.
[2023-11-19 07:36:44,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions.
[2023-11-19 07:36:44,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:44,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions.
[2023-11-19 07:36:44,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.5) internal successors, (795), 6 states have internal predecessors, (795), 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)
[2023-11-19 07:36:44,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 220.0) internal successors, (1540), 7 states have internal predecessors, (1540), 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)
[2023-11-19 07:36:44,663 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 220.0) internal successors, (1540), 7 states have internal predecessors, (1540), 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)
[2023-11-19 07:36:44,663 INFO L175 Difference]: Start difference. First operand has 87 places, 180 transitions, 1153 flow. Second operand 6 states and 795 transitions.
[2023-11-19 07:36:44,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 393 transitions, 2955 flow
[2023-11-19 07:36:44,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 393 transitions, 2955 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:44,730 INFO L231 Difference]: Finished difference. Result has 96 places, 302 transitions, 2324 flow
[2023-11-19 07:36:44,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2324, PETRI_PLACES=96, PETRI_TRANSITIONS=302}
[2023-11-19 07:36:44,732 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 29 predicate places.
[2023-11-19 07:36:44,732 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 302 transitions, 2324 flow
[2023-11-19 07:36:44,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 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)
[2023-11-19 07:36:44,732 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:44,733 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:44,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 07:36:44,733 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:44,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash 278133328, now seen corresponding path program 1 times
[2023-11-19 07:36:44,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:44,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582117388]
[2023-11-19 07:36:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:44,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:36:45,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:45,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582117388]
[2023-11-19 07:36:45,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582117388] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:36:45,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954300260]
[2023-11-19 07:36:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:45,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:36:45,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:45,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:36:45,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:36:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:45,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-11-19 07:36:45,273 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:36:45,416 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2023-11-19 07:36:45,450 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 19 treesize of output 18
[2023-11-19 07:36:45,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 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
[2023-11-19 07:36:45,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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
[2023-11-19 07:36:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:36:45,617 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
[2023-11-19 07:36:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:36:45,650 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:36:47,805 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 3 |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| (store (select |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base|) .cse1 0)))) (and (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |c_ULTIMATE.start_main_~#tids~0#1.offset|)) 0)) (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) .cse1) 0)) (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) (+ |c_ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0)) (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|) 0))))) is different from false
[2023-11-19 07:36:47,833 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 |c_ULTIMATE.start_main_~#tids~0#1.offset|)) (.cse2 (+ 3 |c_ULTIMATE.start_main_~#tids~0#1.offset|))) (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base| (store (store (select |c_#race| |c_ULTIMATE.start_main_~#tids~0#1.base|) .cse1 0) .cse2 0)))) (and (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) |c_ULTIMATE.start_main_~#tids~0#1.offset|) 0)) (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) .cse1) 0)) (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) .cse2) 0)) (forall ((v_ArrVal_282 (Array Int Int))) (= (select (select (store .cse0 c_~datas~0.base v_ArrVal_282) |c_ULTIMATE.start_main_~#tids~0#1.base|) (+ |c_ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0))))) is different from false
[2023-11-19 07:36:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked.
[2023-11-19 07:36:49,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954300260] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:36:49,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:36:49,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15
[2023-11-19 07:36:49,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609808860]
[2023-11-19 07:36:49,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:36:49,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-11-19 07:36:49,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-11-19 07:36:49,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=137, Unknown=9, NotChecked=54, Total=272
[2023-11-19 07:36:50,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 220
[2023-11-19 07:36:50,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 302 transitions, 2324 flow. Second operand has 17 states, 17 states have (on average 83.3529411764706) internal successors, (1417), 17 states have internal predecessors, (1417), 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)
[2023-11-19 07:36:50,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:50,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 220
[2023-11-19 07:36:50,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:36:55,291 INFO L124 PetriNetUnfolderBase]: 15298/25083 cut-off events.
[2023-11-19 07:36:55,291 INFO L125 PetriNetUnfolderBase]: For 48128/48128 co-relation queries the response was YES.
[2023-11-19 07:36:55,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97022 conditions, 25083 events. 15298/25083 cut-off events. For 48128/48128 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 173401 event pairs, 6590 based on Foata normal form. 528/24069 useless extension candidates. Maximal degree in co-relation 97001. Up to 23904 conditions per place.
[2023-11-19 07:36:55,563 INFO L140 encePairwiseOnDemand]: 203/220 looper letters, 327 selfloop transitions, 7 changer transitions 11/351 dead transitions.
[2023-11-19 07:36:55,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 351 transitions, 3337 flow
[2023-11-19 07:36:55,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:36:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 07:36:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 656 transitions.
[2023-11-19 07:36:55,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42597402597402595
[2023-11-19 07:36:55,569 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 656 transitions.
[2023-11-19 07:36:55,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 656 transitions.
[2023-11-19 07:36:55,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:55,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 656 transitions.
[2023-11-19 07:36:55,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 93.71428571428571) internal successors, (656), 7 states have internal predecessors, (656), 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)
[2023-11-19 07:36:55,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 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)
[2023-11-19 07:36:55,578 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 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)
[2023-11-19 07:36:55,578 INFO L175 Difference]: Start difference. First operand has 96 places, 302 transitions, 2324 flow. Second operand 7 states and 656 transitions.
[2023-11-19 07:36:55,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 351 transitions, 3337 flow
[2023-11-19 07:36:56,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 351 transitions, 3241 flow, removed 48 selfloop flow, removed 0 redundant places.
[2023-11-19 07:36:56,081 INFO L231 Difference]: Finished difference. Result has 103 places, 303 transitions, 2288 flow
[2023-11-19 07:36:56,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=2216, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2288, PETRI_PLACES=103, PETRI_TRANSITIONS=303}
[2023-11-19 07:36:56,084 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 36 predicate places.
[2023-11-19 07:36:56,084 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 303 transitions, 2288 flow
[2023-11-19 07:36:56,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 83.3529411764706) internal successors, (1417), 17 states have internal predecessors, (1417), 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)
[2023-11-19 07:36:56,086 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:36:56,086 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:56,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:36:56,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c856c4d-4cef-4701-802c-b0152b196210/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-11-19 07:36:56,293 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:36:56,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:56,294 INFO L85 PathProgramCache]: Analyzing trace with hash -566565657, now seen corresponding path program 1 times
[2023-11-19 07:36:56,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:56,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342816433]
[2023-11-19 07:36:56,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:56,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:36:56,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:36:56,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342816433]
[2023-11-19 07:36:56,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342816433] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:36:56,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:36:56,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:36:56,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728712320]
[2023-11-19 07:36:56,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:36:56,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:36:56,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:36:56,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:36:56,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:36:57,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 220
[2023-11-19 07:36:57,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 303 transitions, 2288 flow. Second operand has 8 states, 8 states have (on average 97.125) internal successors, (777), 8 states have internal predecessors, (777), 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)
[2023-11-19 07:36:57,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:36:57,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 220
[2023-11-19 07:36:57,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:37:02,755 INFO L124 PetriNetUnfolderBase]: 14891/25640 cut-off events.
[2023-11-19 07:37:02,755 INFO L125 PetriNetUnfolderBase]: For 46571/46636 co-relation queries the response was YES.
[2023-11-19 07:37:02,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100759 conditions, 25640 events. 14891/25640 cut-off events. For 46571/46636 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 193486 event pairs, 4045 based on Foata normal form. 406/25528 useless extension candidates. Maximal degree in co-relation 100733. Up to 12108 conditions per place.
[2023-11-19 07:37:03,136 INFO L140 encePairwiseOnDemand]: 204/220 looper letters, 461 selfloop transitions, 166 changer transitions 1/642 dead transitions.
[2023-11-19 07:37:03,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 642 transitions, 5749 flow
[2023-11-19 07:37:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 07:37:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-19 07:37:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 988 transitions.
[2023-11-19 07:37:03,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5613636363636364
[2023-11-19 07:37:03,143 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 988 transitions.
[2023-11-19 07:37:03,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 988 transitions.
[2023-11-19 07:37:03,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:37:03,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 988 transitions.
[2023-11-19 07:37:03,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 123.5) internal successors, (988), 8 states have internal predecessors, (988), 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)
[2023-11-19 07:37:03,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 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)
[2023-11-19 07:37:03,156 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 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)
[2023-11-19 07:37:03,156 INFO L175 Difference]: Start difference. First operand has 103 places, 303 transitions, 2288 flow. Second operand 8 states and 988 transitions.
[2023-11-19 07:37:03,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 642 transitions, 5749 flow
[2023-11-19 07:37:03,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 642 transitions, 5665 flow, removed 31 selfloop flow, removed 2 redundant places.
[2023-11-19 07:37:03,926 INFO L231 Difference]: Finished difference. Result has 114 places, 420 transitions, 3914 flow
[2023-11-19 07:37:03,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=2268, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3914, PETRI_PLACES=114, PETRI_TRANSITIONS=420}
[2023-11-19 07:37:03,927 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 47 predicate places.
[2023-11-19 07:37:03,928 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 420 transitions, 3914 flow
[2023-11-19 07:37:03,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 97.125) internal successors, (777), 8 states have internal predecessors, (777), 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)
[2023-11-19 07:37:03,929 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:37:03,929 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:37:03,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-19 07:37:03,930 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-19 07:37:03,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:37:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash 225434026, now seen corresponding path program 1 times
[2023-11-19 07:37:03,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:37:03,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211969034]
[2023-11-19 07:37:03,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:37:03,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:37:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:37:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-19 07:37:04,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:37:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211969034]
[2023-11-19 07:37:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211969034] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:37:04,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:37:04,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:37:04,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645275773]
[2023-11-19 07:37:04,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:37:04,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:37:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:37:04,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:37:04,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:37:04,564 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 220
[2023-11-19 07:37:04,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 420 transitions, 3914 flow. Second operand has 6 states, 6 states have (on average 101.83333333333333) internal successors, (611), 6 states have internal predecessors, (611), 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)
[2023-11-19 07:37:04,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:37:04,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 220
[2023-11-19 07:37:04,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand