./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --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_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/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_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/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_8911fe39-cc2d-44e1-aed9-e843b19cf03f/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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:06:16,246 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:06:16,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 08:06:16,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:06:16,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:06:16,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:06:16,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:06:16,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:06:16,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:06:16,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:06:16,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:06:16,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:06:16,423 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:06:16,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:06:16,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:06:16,426 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:06:16,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:06:16,427 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:06:16,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:06:16,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:06:16,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:06:16,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:06:16,429 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 08:06:16,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:06:16,430 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:06:16,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:06:16,431 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:06:16,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:06:16,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:06:16,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:06:16,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:16,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:06:16,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:06:16,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:06:16,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:06:16,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:06:16,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:06:16,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:06:16,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:06:16,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:06:16,438 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:06:16,438 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_8911fe39-cc2d-44e1-aed9-e843b19cf03f/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c
[2023-11-19 08:06:16,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:06:16,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:06:16,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:06:16,834 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:06:16,834 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:06:16,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c
[2023-11-19 08:06:20,078 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:06:20,300 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:06:20,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c
[2023-11-19 08:06:20,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/data/c740e849f/5a4fe8d56b5b4f8b86839955f5325aeb/FLAG1f51acc33
[2023-11-19 08:06:20,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/data/c740e849f/5a4fe8d56b5b4f8b86839955f5325aeb
[2023-11-19 08:06:20,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:06:20,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:06:20,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:20,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:06:20,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:06:20,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328d63fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20, skipping insertion in model container
[2023-11-19 08:06:20,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,377 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:06:20,639 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:20,660 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:06:20,711 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:20,746 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:06:20,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20 WrapperNode
[2023-11-19 08:06:20,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:20,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:20,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:06:20,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:06:20,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,845 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 476
[2023-11-19 08:06:20,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:20,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:06:20,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:06:20,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:06:20,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:06:20,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:06:20,909 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:06:20,909 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:06:20,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (1/1) ...
[2023-11-19 08:06:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:20,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:20,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:20,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:06:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:06:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:06:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:06:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 08:06:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 08:06:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 08:06:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-11-19 08:06:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-19 08:06:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2023-11-19 08:06:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2023-11-19 08:06:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:06:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 08:06:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:06:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:06:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:06:21,018 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 08:06:21,205 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:06:21,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:06:21,969 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:06:21,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:06:21,984 INFO L302 CfgBuilder]: Removed 6 assume(true) statements.
[2023-11-19 08:06:21,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:21 BoogieIcfgContainer
[2023-11-19 08:06:21,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:06:21,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:06:21,994 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:06:21,997 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:06:21,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:20" (1/3) ...
[2023-11-19 08:06:21,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7318ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:21, skipping insertion in model container
[2023-11-19 08:06:21,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:20" (2/3) ...
[2023-11-19 08:06:21,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7318ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:21, skipping insertion in model container
[2023-11-19 08:06:21,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:21" (3/3) ...
[2023-11-19 08:06:22,000 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c
[2023-11-19 08:06:22,009 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:06:22,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:06:22,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations.
[2023-11-19 08:06:22,020 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:06:22,255 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-11-19 08:06:22,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 593 places, 616 transitions, 1253 flow
[2023-11-19 08:06:22,589 INFO L124 PetriNetUnfolderBase]: 33/613 cut-off events.
[2023-11-19 08:06:22,603 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-11-19 08:06:22,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 613 events. 33/613 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1332 event pairs, 0 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 433. Up to 2 conditions per place.
[2023-11-19 08:06:22,636 INFO L82 GeneralOperation]: Start removeDead. Operand has 593 places, 616 transitions, 1253 flow
[2023-11-19 08:06:22,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 566 places, 587 transitions, 1192 flow
[2023-11-19 08:06:22,661 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:06:22,703 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 587 transitions, 1192 flow
[2023-11-19 08:06:22,708 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 587 transitions, 1192 flow
[2023-11-19 08:06:22,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 566 places, 587 transitions, 1192 flow
[2023-11-19 08:06:22,890 INFO L124 PetriNetUnfolderBase]: 31/587 cut-off events.
[2023-11-19 08:06:22,890 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-11-19 08:06:22,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 587 events. 31/587 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1315 event pairs, 0 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 433. Up to 2 conditions per place.
[2023-11-19 08:06:22,946 INFO L119 LiptonReduction]: Number of co-enabled transitions 79872
[2023-11-19 08:06:39,647 INFO L134 LiptonReduction]: Checked pairs total: 230402
[2023-11-19 08:06:39,648 INFO L136 LiptonReduction]: Total number of compositions: 598
[2023-11-19 08:06:39,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:06:39,678 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;@60b33d9d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:06:39,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations.
[2023-11-19 08:06:39,681 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:06:39,681 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events.
[2023-11-19 08:06:39,682 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:06:39,682 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:39,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-11-19 08:06:39,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:39,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:39,689 INFO L85 PathProgramCache]: Analyzing trace with hash 74123, now seen corresponding path program 1 times
[2023-11-19 08:06:39,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:39,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440605337]
[2023-11-19 08:06:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:39,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:39,889 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 08:06:39,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440605337]
[2023-11-19 08:06:39,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440605337] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:39,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 08:06:39,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581402265]
[2023-11-19 08:06:39,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:39,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:06:39,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:06:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:06:39,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 586 out of 1214
[2023-11-19 08:06:39,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 151 transitions, 320 flow. Second operand has 2 states, 2 states have (on average 587.0) internal successors, (1174), 2 states have internal predecessors, (1174), 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 08:06:39,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:39,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 586 of 1214
[2023-11-19 08:06:39,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:41,739 INFO L124 PetriNetUnfolderBase]: 3382/9027 cut-off events.
[2023-11-19 08:06:41,739 INFO L125 PetriNetUnfolderBase]: For 394/510 co-relation queries the response was YES.
[2023-11-19 08:06:41,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14064 conditions, 9027 events. 3382/9027 cut-off events. For 394/510 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 84791 event pairs, 2897 based on Foata normal form. 281/7930 useless extension candidates. Maximal degree in co-relation 12269. Up to 4814 conditions per place.
[2023-11-19 08:06:41,867 INFO L140 encePairwiseOnDemand]: 1180/1214 looper letters, 42 selfloop transitions, 0 changer transitions 1/114 dead transitions.
[2023-11-19 08:06:41,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 114 transitions, 332 flow
[2023-11-19 08:06:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:06:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 08:06:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1249 transitions.
[2023-11-19 08:06:41,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5144151565074135
[2023-11-19 08:06:41,897 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1249 transitions.
[2023-11-19 08:06:41,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1249 transitions.
[2023-11-19 08:06:41,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:41,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1249 transitions.
[2023-11-19 08:06:41,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 624.5) internal successors, (1249), 2 states have internal predecessors, (1249), 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 08:06:41,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1214.0) internal successors, (3642), 3 states have internal predecessors, (3642), 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 08:06:41,935 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1214.0) internal successors, (3642), 3 states have internal predecessors, (3642), 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 08:06:41,938 INFO L175 Difference]: Start difference. First operand has 150 places, 151 transitions, 320 flow. Second operand 2 states and 1249 transitions.
[2023-11-19 08:06:41,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 114 transitions, 332 flow
[2023-11-19 08:06:41,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 114 transitions, 320 flow, removed 0 selfloop flow, removed 6 redundant places.
[2023-11-19 08:06:41,959 INFO L231 Difference]: Finished difference. Result has 113 places, 113 transitions, 231 flow
[2023-11-19 08:06:41,962 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=231, PETRI_PLACES=113, PETRI_TRANSITIONS=113}
[2023-11-19 08:06:41,967 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -37 predicate places.
[2023-11-19 08:06:41,968 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 113 transitions, 231 flow
[2023-11-19 08:06:41,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 587.0) internal successors, (1174), 2 states have internal predecessors, (1174), 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 08:06:41,970 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:41,970 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:41,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:06:41,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:41,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash 256738388, now seen corresponding path program 1 times
[2023-11-19 08:06:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:41,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128025070]
[2023-11-19 08:06:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:42,300 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 08:06:42,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:42,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128025070]
[2023-11-19 08:06:42,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128025070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:42,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:42,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:42,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189656571]
[2023-11-19 08:06:42,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:42,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:42,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:42,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:42,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:42,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 1214
[2023-11-19 08:06:42,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 113 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 08:06:42,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:42,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 1214
[2023-11-19 08:06:42,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:44,091 INFO L124 PetriNetUnfolderBase]: 3382/9029 cut-off events.
[2023-11-19 08:06:44,092 INFO L125 PetriNetUnfolderBase]: For 90/206 co-relation queries the response was YES.
[2023-11-19 08:06:44,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13911 conditions, 9029 events. 3382/9029 cut-off events. For 90/206 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 84809 event pairs, 2897 based on Foata normal form. 0/7651 useless extension candidates. Maximal degree in co-relation 13908. Up to 4813 conditions per place.
[2023-11-19 08:06:44,169 INFO L140 encePairwiseOnDemand]: 1207/1214 looper letters, 39 selfloop transitions, 6 changer transitions 0/116 dead transitions.
[2023-11-19 08:06:44,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 116 transitions, 327 flow
[2023-11-19 08:06:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:06:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1752 transitions.
[2023-11-19 08:06:44,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48105436573311366
[2023-11-19 08:06:44,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1752 transitions.
[2023-11-19 08:06:44,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1752 transitions.
[2023-11-19 08:06:44,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:44,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1752 transitions.
[2023-11-19 08:06:44,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 584.0) internal successors, (1752), 3 states have internal predecessors, (1752), 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 08:06:44,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:44,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:44,206 INFO L175 Difference]: Start difference. First operand has 113 places, 113 transitions, 231 flow. Second operand 3 states and 1752 transitions.
[2023-11-19 08:06:44,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 116 transitions, 327 flow
[2023-11-19 08:06:44,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 116 transitions, 327 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:06:44,211 INFO L231 Difference]: Finished difference. Result has 115 places, 116 transitions, 263 flow
[2023-11-19 08:06:44,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=115, PETRI_TRANSITIONS=116}
[2023-11-19 08:06:44,213 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -35 predicate places.
[2023-11-19 08:06:44,214 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 116 transitions, 263 flow
[2023-11-19 08:06:44,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 08:06:44,221 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:44,221 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:44,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:06:44,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:44,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2079743313, now seen corresponding path program 1 times
[2023-11-19 08:06:44,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:44,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657897330]
[2023-11-19 08:06:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 08:06:44,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:44,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657897330]
[2023-11-19 08:06:44,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657897330] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:44,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:44,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:44,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878298503]
[2023-11-19 08:06:44,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:44,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:44,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:44,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:44,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:44,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1214
[2023-11-19 08:06:44,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 116 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 582.3333333333334) internal successors, (1747), 3 states have internal predecessors, (1747), 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 08:06:44,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:44,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1214
[2023-11-19 08:06:44,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:45,840 INFO L124 PetriNetUnfolderBase]: 3382/9848 cut-off events.
[2023-11-19 08:06:45,841 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2023-11-19 08:06:45,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14745 conditions, 9848 events. 3382/9848 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 100597 event pairs, 1167 based on Foata normal form. 0/8359 useless extension candidates. Maximal degree in co-relation 14740. Up to 4770 conditions per place.
[2023-11-19 08:06:45,940 INFO L140 encePairwiseOnDemand]: 1210/1214 looper letters, 60 selfloop transitions, 2 changer transitions 0/131 dead transitions.
[2023-11-19 08:06:45,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 131 transitions, 419 flow
[2023-11-19 08:06:45,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:06:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1798 transitions.
[2023-11-19 08:06:45,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49368478857770454
[2023-11-19 08:06:45,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1798 transitions.
[2023-11-19 08:06:45,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1798 transitions.
[2023-11-19 08:06:45,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:45,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1798 transitions.
[2023-11-19 08:06:45,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.3333333333334) internal successors, (1798), 3 states have internal predecessors, (1798), 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 08:06:45,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:45,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:45,981 INFO L175 Difference]: Start difference. First operand has 115 places, 116 transitions, 263 flow. Second operand 3 states and 1798 transitions.
[2023-11-19 08:06:45,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 131 transitions, 419 flow
[2023-11-19 08:06:45,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 131 transitions, 413 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 08:06:45,987 INFO L231 Difference]: Finished difference. Result has 115 places, 116 transitions, 267 flow
[2023-11-19 08:06:45,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=115, PETRI_TRANSITIONS=116}
[2023-11-19 08:06:45,989 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -35 predicate places.
[2023-11-19 08:06:45,989 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 116 transitions, 267 flow
[2023-11-19 08:06:45,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 582.3333333333334) internal successors, (1747), 3 states have internal predecessors, (1747), 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 08:06:45,992 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:45,992 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:45,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:06:45,993 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:45,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:45,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1474243741, now seen corresponding path program 1 times
[2023-11-19 08:06:45,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:45,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642555076]
[2023-11-19 08:06:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 08:06:46,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642555076]
[2023-11-19 08:06:46,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642555076] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:46,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:46,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:46,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156584320]
[2023-11-19 08:06:46,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:46,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:46,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:46,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:46,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:46,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1214
[2023-11-19 08:06:46,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 116 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 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 08:06:46,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:46,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1214
[2023-11-19 08:06:46,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:47,360 INFO L124 PetriNetUnfolderBase]: 3382/7875 cut-off events.
[2023-11-19 08:06:47,360 INFO L125 PetriNetUnfolderBase]: For 432/535 co-relation queries the response was YES.
[2023-11-19 08:06:47,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13167 conditions, 7875 events. 3382/7875 cut-off events. For 432/535 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 66685 event pairs, 695 based on Foata normal form. 3/6667 useless extension candidates. Maximal degree in co-relation 13162. Up to 4562 conditions per place.
[2023-11-19 08:06:47,427 INFO L140 encePairwiseOnDemand]: 1210/1214 looper letters, 64 selfloop transitions, 2 changer transitions 0/133 dead transitions.
[2023-11-19 08:06:47,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 133 transitions, 445 flow
[2023-11-19 08:06:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:06:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1798 transitions.
[2023-11-19 08:06:47,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49368478857770454
[2023-11-19 08:06:47,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1798 transitions.
[2023-11-19 08:06:47,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1798 transitions.
[2023-11-19 08:06:47,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:47,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1798 transitions.
[2023-11-19 08:06:47,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.3333333333334) internal successors, (1798), 3 states have internal predecessors, (1798), 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 08:06:47,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:47,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:47,462 INFO L175 Difference]: Start difference. First operand has 115 places, 116 transitions, 267 flow. Second operand 3 states and 1798 transitions.
[2023-11-19 08:06:47,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 133 transitions, 445 flow
[2023-11-19 08:06:47,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 133 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:06:47,467 INFO L231 Difference]: Finished difference. Result has 116 places, 116 transitions, 277 flow
[2023-11-19 08:06:47,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=116, PETRI_TRANSITIONS=116}
[2023-11-19 08:06:47,470 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -34 predicate places.
[2023-11-19 08:06:47,470 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 116 transitions, 277 flow
[2023-11-19 08:06:47,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 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 08:06:47,472 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:47,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:47,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:06:47,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:47,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash -590145306, now seen corresponding path program 1 times
[2023-11-19 08:06:47,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:47,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670524854]
[2023-11-19 08:06:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 08:06:47,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670524854]
[2023-11-19 08:06:47,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670524854] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:47,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:47,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:47,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359580665]
[2023-11-19 08:06:47,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:47,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:47,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:47,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:47,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:47,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1214
[2023-11-19 08:06:47,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 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 08:06:47,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:47,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1214
[2023-11-19 08:06:47,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:49,499 INFO L124 PetriNetUnfolderBase]: 5632/15333 cut-off events.
[2023-11-19 08:06:49,499 INFO L125 PetriNetUnfolderBase]: For 1055/1055 co-relation queries the response was YES.
[2023-11-19 08:06:49,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24599 conditions, 15333 events. 5632/15333 cut-off events. For 1055/1055 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 157850 event pairs, 1693 based on Foata normal form. 0/13295 useless extension candidates. Maximal degree in co-relation 24593. Up to 5138 conditions per place.
[2023-11-19 08:06:49,666 INFO L140 encePairwiseOnDemand]: 1210/1214 looper letters, 82 selfloop transitions, 2 changer transitions 0/147 dead transitions.
[2023-11-19 08:06:49,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 147 transitions, 525 flow
[2023-11-19 08:06:49,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:06:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1814 transitions.
[2023-11-19 08:06:49,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49807797913234486
[2023-11-19 08:06:49,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1814 transitions.
[2023-11-19 08:06:49,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1814 transitions.
[2023-11-19 08:06:49,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:49,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1814 transitions.
[2023-11-19 08:06:49,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 604.6666666666666) internal successors, (1814), 3 states have internal predecessors, (1814), 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 08:06:49,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:49,704 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:49,705 INFO L175 Difference]: Start difference. First operand has 116 places, 116 transitions, 277 flow. Second operand 3 states and 1814 transitions.
[2023-11-19 08:06:49,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 147 transitions, 525 flow
[2023-11-19 08:06:49,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 147 transitions, 525 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:06:49,713 INFO L231 Difference]: Finished difference. Result has 117 places, 116 transitions, 287 flow
[2023-11-19 08:06:49,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=117, PETRI_TRANSITIONS=116}
[2023-11-19 08:06:49,717 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -33 predicate places.
[2023-11-19 08:06:49,717 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 116 transitions, 287 flow
[2023-11-19 08:06:49,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 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 08:06:49,719 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:49,719 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:49,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:06:49,720 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:49,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:49,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1967326550, now seen corresponding path program 1 times
[2023-11-19 08:06:49,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:49,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453437286]
[2023-11-19 08:06:49,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:49,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 08:06:49,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:49,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453437286]
[2023-11-19 08:06:49,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453437286] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:49,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:49,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:49,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228302012]
[2023-11-19 08:06:49,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:49,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:49,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:49,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:49,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:49,987 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1214
[2023-11-19 08:06:49,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 116 transitions, 287 flow. Second operand has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 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 08:06:49,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:49,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1214
[2023-11-19 08:06:49,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:51,326 INFO L124 PetriNetUnfolderBase]: 4726/11195 cut-off events.
[2023-11-19 08:06:51,326 INFO L125 PetriNetUnfolderBase]: For 1452/1452 co-relation queries the response was YES.
[2023-11-19 08:06:51,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19979 conditions, 11195 events. 4726/11195 cut-off events. For 1452/1452 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 98621 event pairs, 1292 based on Foata normal form. 0/10049 useless extension candidates. Maximal degree in co-relation 19972. Up to 6009 conditions per place.
[2023-11-19 08:06:51,420 INFO L140 encePairwiseOnDemand]: 1210/1214 looper letters, 72 selfloop transitions, 2 changer transitions 0/137 dead transitions.
[2023-11-19 08:06:51,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 137 transitions, 504 flow
[2023-11-19 08:06:51,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:06:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:06:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions.
[2023-11-19 08:06:51,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4939593629873696
[2023-11-19 08:06:51,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions.
[2023-11-19 08:06:51,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions.
[2023-11-19 08:06:51,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:51,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions.
[2023-11-19 08:06:51,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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 08:06:51,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:51,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:06:51,447 INFO L175 Difference]: Start difference. First operand has 117 places, 116 transitions, 287 flow. Second operand 3 states and 1799 transitions.
[2023-11-19 08:06:51,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 137 transitions, 504 flow
[2023-11-19 08:06:51,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 137 transitions, 504 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:06:51,452 INFO L231 Difference]: Finished difference. Result has 118 places, 116 transitions, 297 flow
[2023-11-19 08:06:51,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=118, PETRI_TRANSITIONS=116}
[2023-11-19 08:06:51,453 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -32 predicate places.
[2023-11-19 08:06:51,454 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 116 transitions, 297 flow
[2023-11-19 08:06:51,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 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 08:06:51,455 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:51,455 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 08:06:51,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:06:51,456 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:51,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:51,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2049074494, now seen corresponding path program 1 times
[2023-11-19 08:06:51,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:51,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832042211]
[2023-11-19 08:06:51,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 08:06:51,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:51,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832042211]
[2023-11-19 08:06:51,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832042211] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:06:51,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295162346]
[2023-11-19 08:06:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:51,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:51,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:51,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:06:51,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 08:06:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:51,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 08:06:51,826 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 08:06:51,903 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:06:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 08:06:51,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295162346] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:06:51,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:06:51,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7
[2023-11-19 08:06:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388245387]
[2023-11-19 08:06:51,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:06:51,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 08:06:51,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:51,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 08:06:51,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2023-11-19 08:06:52,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 1214
[2023-11-19 08:06:52,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 116 transitions, 297 flow. Second operand has 8 states, 8 states have (on average 564.375) internal successors, (4515), 8 states have internal predecessors, (4515), 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 08:06:52,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:52,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 1214
[2023-11-19 08:06:52,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:54,320 INFO L124 PetriNetUnfolderBase]: 4726/10966 cut-off events.
[2023-11-19 08:06:54,320 INFO L125 PetriNetUnfolderBase]: For 1749/1749 co-relation queries the response was YES.
[2023-11-19 08:06:54,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20341 conditions, 10966 events. 4726/10966 cut-off events. For 1749/1749 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 94557 event pairs, 3503 based on Foata normal form. 0/9824 useless extension candidates. Maximal degree in co-relation 20333. Up to 6741 conditions per place.
[2023-11-19 08:06:54,413 INFO L140 encePairwiseOnDemand]: 1207/1214 looper letters, 47 selfloop transitions, 15 changer transitions 0/125 dead transitions.
[2023-11-19 08:06:54,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 125 transitions, 457 flow
[2023-11-19 08:06:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:06:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 08:06:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3435 transitions.
[2023-11-19 08:06:54,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4715815485996705
[2023-11-19 08:06:54,430 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3435 transitions.
[2023-11-19 08:06:54,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3435 transitions.
[2023-11-19 08:06:54,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:06:54,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3435 transitions.
[2023-11-19 08:06:54,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 572.5) internal successors, (3435), 6 states have internal predecessors, (3435), 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 08:06:54,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1214.0) internal successors, (8498), 7 states have internal predecessors, (8498), 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 08:06:54,466 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1214.0) internal successors, (8498), 7 states have internal predecessors, (8498), 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 08:06:54,466 INFO L175 Difference]: Start difference. First operand has 118 places, 116 transitions, 297 flow. Second operand 6 states and 3435 transitions.
[2023-11-19 08:06:54,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 125 transitions, 457 flow
[2023-11-19 08:06:54,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 125 transitions, 457 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:06:54,472 INFO L231 Difference]: Finished difference. Result has 126 places, 125 transitions, 393 flow
[2023-11-19 08:06:54,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=393, PETRI_PLACES=126, PETRI_TRANSITIONS=125}
[2023-11-19 08:06:54,474 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -24 predicate places.
[2023-11-19 08:06:54,474 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 125 transitions, 393 flow
[2023-11-19 08:06:54,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 564.375) internal successors, (4515), 8 states have internal predecessors, (4515), 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 08:06:54,476 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:06:54,476 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:54,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 08:06:54,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:54,691 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:06:54,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:54,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1988155617, now seen corresponding path program 2 times
[2023-11-19 08:06:54,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:54,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719194060]
[2023-11-19 08:06:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:54,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-11-19 08:06:55,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719194060]
[2023-11-19 08:06:55,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719194060] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:06:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800693811]
[2023-11-19 08:06:55,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 08:06:55,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:06:55,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:55,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:06:55,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 08:06:55,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 08:06:55,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 08:06:55,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-11-19 08:06:55,315 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:06:55,410 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 08:06:55,455 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 08:06:55,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 08:06:55,506 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 1 case distinctions, treesize of input 26 treesize of output 28
[2023-11-19 08:06:55,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 08:06:55,595 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 3 case distinctions, treesize of input 33 treesize of output 38
[2023-11-19 08:06:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-11-19 08:06:55,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:06:55,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800693811] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:55,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 08:06:55,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11
[2023-11-19 08:06:55,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538863512]
[2023-11-19 08:06:55,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:55,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 08:06:55,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:55,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 08:06:55,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2023-11-19 08:06:56,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1214
[2023-11-19 08:06:56,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 125 transitions, 393 flow. Second operand has 7 states, 7 states have (on average 566.4285714285714) internal successors, (3965), 7 states have internal predecessors, (3965), 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 08:06:56,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:06:56,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1214
[2023-11-19 08:06:56,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:06:59,851 INFO L124 PetriNetUnfolderBase]: 13846/21739 cut-off events.
[2023-11-19 08:06:59,851 INFO L125 PetriNetUnfolderBase]: For 4955/4955 co-relation queries the response was YES.
[2023-11-19 08:06:59,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47452 conditions, 21739 events. 13846/21739 cut-off events. For 4955/4955 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 146745 event pairs, 1252 based on Foata normal form. 0/20106 useless extension candidates. Maximal degree in co-relation 47440. Up to 7000 conditions per place.
[2023-11-19 08:07:00,019 INFO L140 encePairwiseOnDemand]: 1208/1214 looper letters, 193 selfloop transitions, 5 changer transitions 0/256 dead transitions.
[2023-11-19 08:07:00,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 256 transitions, 1211 flow
[2023-11-19 08:07:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 08:07:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 08:07:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4095 transitions.
[2023-11-19 08:07:00,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4818780889621087
[2023-11-19 08:07:00,034 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4095 transitions.
[2023-11-19 08:07:00,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4095 transitions.
[2023-11-19 08:07:00,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:07:00,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4095 transitions.
[2023-11-19 08:07:00,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 585.0) internal successors, (4095), 7 states have internal predecessors, (4095), 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 08:07:00,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1214.0) internal successors, (9712), 8 states have internal predecessors, (9712), 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 08:07:00,066 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1214.0) internal successors, (9712), 8 states have internal predecessors, (9712), 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 08:07:00,066 INFO L175 Difference]: Start difference. First operand has 126 places, 125 transitions, 393 flow. Second operand 7 states and 4095 transitions.
[2023-11-19 08:07:00,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 256 transitions, 1211 flow
[2023-11-19 08:07:00,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 256 transitions, 1187 flow, removed 9 selfloop flow, removed 1 redundant places.
[2023-11-19 08:07:00,076 INFO L231 Difference]: Finished difference. Result has 130 places, 124 transitions, 377 flow
[2023-11-19 08:07:00,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=377, PETRI_PLACES=130, PETRI_TRANSITIONS=124}
[2023-11-19 08:07:00,079 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -20 predicate places.
[2023-11-19 08:07:00,079 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 124 transitions, 377 flow
[2023-11-19 08:07:00,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 566.4285714285714) internal successors, (3965), 7 states have internal predecessors, (3965), 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 08:07:00,081 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:07:00,081 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:07:00,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 08:07:00,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:07:00,302 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:07:00,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 558757857, now seen corresponding path program 1 times
[2023-11-19 08:07:00,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:07:00,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499294645]
[2023-11-19 08:07:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:00,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:07:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-11-19 08:07:00,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:07:00,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499294645]
[2023-11-19 08:07:00,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499294645] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:00,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:00,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:07:00,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771410510]
[2023-11-19 08:07:00,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:00,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:07:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:07:00,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:07:00,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:00,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1214
[2023-11-19 08:07:00,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 124 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 585.0) internal successors, (1755), 3 states have internal predecessors, (1755), 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 08:07:00,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:07:00,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1214
[2023-11-19 08:07:00,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:07:02,895 INFO L124 PetriNetUnfolderBase]: 6820/15166 cut-off events.
[2023-11-19 08:07:02,895 INFO L125 PetriNetUnfolderBase]: For 3340/3354 co-relation queries the response was YES.
[2023-11-19 08:07:02,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29479 conditions, 15166 events. 6820/15166 cut-off events. For 3340/3354 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 136076 event pairs, 2087 based on Foata normal form. 1/13905 useless extension candidates. Maximal degree in co-relation 29466. Up to 6278 conditions per place.
[2023-11-19 08:07:03,054 INFO L140 encePairwiseOnDemand]: 1210/1214 looper letters, 98 selfloop transitions, 2 changer transitions 0/158 dead transitions.
[2023-11-19 08:07:03,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 158 transitions, 685 flow
[2023-11-19 08:07:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:07:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:07:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1813 transitions.
[2023-11-19 08:07:03,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49780340472267987
[2023-11-19 08:07:03,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1813 transitions.
[2023-11-19 08:07:03,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1813 transitions.
[2023-11-19 08:07:03,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:07:03,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1813 transitions.
[2023-11-19 08:07:03,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 604.3333333333334) internal successors, (1813), 3 states have internal predecessors, (1813), 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 08:07:03,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:07:03,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1214.0) internal successors, (4856), 4 states have internal predecessors, (4856), 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 08:07:03,083 INFO L175 Difference]: Start difference. First operand has 130 places, 124 transitions, 377 flow. Second operand 3 states and 1813 transitions.
[2023-11-19 08:07:03,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 158 transitions, 685 flow
[2023-11-19 08:07:03,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 158 transitions, 674 flow, removed 0 selfloop flow, removed 5 redundant places.
[2023-11-19 08:07:03,100 INFO L231 Difference]: Finished difference. Result has 126 places, 124 transitions, 378 flow
[2023-11-19 08:07:03,100 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1214, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=126, PETRI_TRANSITIONS=124}
[2023-11-19 08:07:03,101 INFO L281 CegarLoopForPetriNet]: 150 programPoint places, -24 predicate places.
[2023-11-19 08:07:03,102 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 124 transitions, 378 flow
[2023-11-19 08:07:03,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 585.0) internal successors, (1755), 3 states have internal predecessors, (1755), 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 08:07:03,103 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:07:03,103 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:07:03,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 08:07:03,104 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] ===
[2023-11-19 08:07:03,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:03,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1071692114, now seen corresponding path program 1 times
[2023-11-19 08:07:03,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:07:03,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076969936]
[2023-11-19 08:07:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:03,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:07:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-11-19 08:07:03,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:07:03,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076969936]
[2023-11-19 08:07:03,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076969936] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:07:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229705768]
[2023-11-19 08:07:03,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:03,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:07:03,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:07:03,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:07:03,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8911fe39-cc2d-44e1-aed9-e843b19cf03f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 08:07:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:03,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 08:07:03,765 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:07:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-11-19 08:07:03,887 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:07:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-11-19 08:07:04,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229705768] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:07:04,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:07:04,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16
[2023-11-19 08:07:04,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610242340]
[2023-11-19 08:07:04,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:07:04,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-11-19 08:07:04,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:07:04,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-11-19 08:07:04,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272
[2023-11-19 08:07:04,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 1214
[2023-11-19 08:07:04,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 124 transitions, 378 flow. Second operand has 17 states, 17 states have (on average 563.6470588235294) internal successors, (9582), 17 states have internal predecessors, (9582), 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 08:07:04,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:07:04,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 1214
[2023-11-19 08:07:04,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand