./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1 --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 ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:32:05,166 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:32:05,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-12-02 15:32:05,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:32:05,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:32:05,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:32:05,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:32:05,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:32:05,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:32:05,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:32:05,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:32:05,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:32:05,248 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:32:05,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:32:05,249 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:32:05,250 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:32:05,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:32:05,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:32:05,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:32:05,251 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1
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 -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14
[2024-12-02 15:32:05,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:32:05,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:32:05,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:32:05,505 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:32:05,506 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:32:05,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i
[2024-12-02 15:32:08,117 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/data/cde7c2dec/ee9cf9829a3147368c03b25036236177/FLAG6683c3a5a
[2024-12-02 15:32:08,358 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:32:08,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/sv-benchmarks/c/pthread-ext/02_inc_cas.i
[2024-12-02 15:32:08,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/data/cde7c2dec/ee9cf9829a3147368c03b25036236177/FLAG6683c3a5a
[2024-12-02 15:32:08,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/data/cde7c2dec/ee9cf9829a3147368c03b25036236177
[2024-12-02 15:32:08,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:32:08,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:32:08,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:32:08,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:32:08,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:32:08,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:32:08" (1/1) ...
[2024-12-02 15:32:08,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178bc7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:08, skipping insertion in model container
[2024-12-02 15:32:08,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:32:08" (1/1) ...
[2024-12-02 15:32:08,720 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:32:08,950 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:32:08,956 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:32:08,996 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:32:09,020 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:32:09,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09 WrapperNode
[2024-12-02 15:32:09,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:32:09,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:32:09,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:32:09,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:32:09,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,057 INFO L138 Inliner]: procedures = 170, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113
[2024-12-02 15:32:09,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:32:09,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:32:09,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:32:09,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:32:09,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:32:09,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:32:09,086 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:32:09,086 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:32:09,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (1/1) ...
[2024-12-02 15:32:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:32:09,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:32:09,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:32:09,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36148ac-6516-4472-b188-cd0e4e2d0f47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2024-12-02 15:32:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 15:32:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-02 15:32:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 15:32:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:32:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:32:09,136 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 15:32:09,227 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:32:09,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:32:09,446 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 15:32:09,446 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:32:09,627 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:32:09,628 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-12-02 15:32:09,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:09 BoogieIcfgContainer
[2024-12-02 15:32:09,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:32:09,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:32:09,630 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:32:09,634 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:32:09,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:32:08" (1/3) ...
[2024-12-02 15:32:09,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b4d0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:32:09, skipping insertion in model container
[2024-12-02 15:32:09,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:09" (2/3) ...
[2024-12-02 15:32:09,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b4d0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:32:09, skipping insertion in model container
[2024-12-02 15:32:09,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:09" (3/3) ...
[2024-12-02 15:32:09,636 INFO L128 eAbstractionObserver]: Analyzing ICFG 02_inc_cas.i
[2024-12-02 15:32:09,647 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:32:09,648 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 02_inc_cas.i that has 2 procedures, 55 locations, 1 initial locations, 2 loop locations, and 7 error locations.
[2024-12-02 15:32:09,648 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 15:32:09,709 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 15:32:09,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 59 transitions, 122 flow
[2024-12-02 15:32:09,781 INFO L124 PetriNetUnfolderBase]: 5/67 cut-off events.
[2024-12-02 15:32:09,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 15:32:09,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 5/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 118 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place.
[2024-12-02 15:32:09,788 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 59 transitions, 122 flow
[2024-12-02 15:32:09,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 59 transitions, 122 flow
[2024-12-02 15:32:09,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:32:09,810 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@5ddaf2a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:32:09,810 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-12-02 15:32:09,819 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 15:32:09,819 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events.
[2024-12-02 15:32:09,819 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 15:32:09,819 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:09,820 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:09,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-12-02 15:32:09,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:09,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1774863308, now seen corresponding path program 1 times
[2024-12-02 15:32:09,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:09,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145446350]
[2024-12-02 15:32:09,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:10,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:10,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145446350]
[2024-12-02 15:32:10,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145446350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:10,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:10,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 15:32:10,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629761876]
[2024-12-02 15:32:10,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:10,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:32:10,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:10,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:32:10,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:32:10,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 59
[2024-12-02 15:32:10,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 59 transitions, 122 flow. Second operand has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:10,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:10,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 59
[2024-12-02 15:32:10,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:10,369 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events.
[2024-12-02 15:32:10,369 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 15:32:10,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 50 events. 2/50 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 5/52 useless extension candidates. Maximal degree in co-relation 36. Up to 5 conditions per place.
[2024-12-02 15:32:10,370 INFO L140 encePairwiseOnDemand]: 50/59 looper letters, 4 selfloop transitions, 0 changer transitions 0/47 dead transitions.
[2024-12-02 15:32:10,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 47 transitions, 106 flow
[2024-12-02 15:32:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:32:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 15:32:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 105 transitions.
[2024-12-02 15:32:10,379 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8898305084745762
[2024-12-02 15:32:10,381 INFO L175 Difference]: Start difference. First operand has 58 places, 59 transitions, 122 flow. Second operand 2 states and 105 transitions.
[2024-12-02 15:32:10,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 47 transitions, 106 flow
[2024-12-02 15:32:10,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 47 transitions, 106 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:10,386 INFO L231 Difference]: Finished difference. Result has 49 places, 47 transitions, 98 flow
[2024-12-02 15:32:10,389 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=98, PETRI_PLACES=49, PETRI_TRANSITIONS=47}
[2024-12-02 15:32:10,391 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, -9 predicate places.
[2024-12-02 15:32:10,391 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 47 transitions, 98 flow
[2024-12-02 15:32:10,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:10,391 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:10,392 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:10,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:32:10,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-12-02 15:32:10,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1324266247, now seen corresponding path program 1 times
[2024-12-02 15:32:10,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:10,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837192742]
[2024-12-02 15:32:10,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:10,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:10,405 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:32:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:10,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:32:10,427 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:32:10,429 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining)
[2024-12-02 15:32:10,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining)
[2024-12-02 15:32:10,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining)
[2024-12-02 15:32:10,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining)
[2024-12-02 15:32:10,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining)
[2024-12-02 15:32:10,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining)
[2024-12-02 15:32:10,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining)
[2024-12-02 15:32:10,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining)
[2024-12-02 15:32:10,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:32:10,433 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 15:32:10,436 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 15:32:10,436 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-12-02 15:32:10,509 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 15:32:10,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 200 flow
[2024-12-02 15:32:10,540 INFO L124 PetriNetUnfolderBase]: 9/113 cut-off events.
[2024-12-02 15:32:10,540 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-12-02 15:32:10,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 113 events. 9/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 316 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 80. Up to 6 conditions per place.
[2024-12-02 15:32:10,542 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 200 flow
[2024-12-02 15:32:10,543 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 95 transitions, 200 flow
[2024-12-02 15:32:10,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:32:10,545 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@5ddaf2a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:32:10,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2024-12-02 15:32:10,552 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 15:32:10,552 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events.
[2024-12-02 15:32:10,552 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 15:32:10,552 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:10,552 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:10,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2024-12-02 15:32:10,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:10,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2083062411, now seen corresponding path program 1 times
[2024-12-02 15:32:10,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:10,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7737288]
[2024-12-02 15:32:10,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:10,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:10,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:10,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7737288]
[2024-12-02 15:32:10,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7737288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:10,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:10,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 15:32:10,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589382878]
[2024-12-02 15:32:10,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:10,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:32:10,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:10,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:32:10,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:32:10,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 95
[2024-12-02 15:32:10,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 95 transitions, 200 flow. Second operand has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:10,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:10,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 95
[2024-12-02 15:32:10,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:10,849 INFO L124 PetriNetUnfolderBase]: 24/196 cut-off events.
[2024-12-02 15:32:10,850 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES.
[2024-12-02 15:32:10,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 196 events. 24/196 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 681 event pairs, 12 based on Foata normal form. 21/197 useless extension candidates. Maximal degree in co-relation 174. Up to 37 conditions per place.
[2024-12-02 15:32:10,852 INFO L140 encePairwiseOnDemand]: 79/95 looper letters, 8 selfloop transitions, 0 changer transitions 0/76 dead transitions.
[2024-12-02 15:32:10,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 178 flow
[2024-12-02 15:32:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:32:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 15:32:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 166 transitions.
[2024-12-02 15:32:10,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8736842105263158
[2024-12-02 15:32:10,854 INFO L175 Difference]: Start difference. First operand has 93 places, 95 transitions, 200 flow. Second operand 2 states and 166 transitions.
[2024-12-02 15:32:10,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 178 flow
[2024-12-02 15:32:10,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 76 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:10,856 INFO L231 Difference]: Finished difference. Result has 78 places, 76 transitions, 162 flow
[2024-12-02 15:32:10,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=162, PETRI_PLACES=78, PETRI_TRANSITIONS=76}
[2024-12-02 15:32:10,857 INFO L279 CegarLoopForPetriNet]: 93 programPoint places, -15 predicate places.
[2024-12-02 15:32:10,857 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 76 transitions, 162 flow
[2024-12-02 15:32:10,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:10,858 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:10,858 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:10,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:32:10,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2024-12-02 15:32:10,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:10,859 INFO L85 PathProgramCache]: Analyzing trace with hash 106219903, now seen corresponding path program 1 times
[2024-12-02 15:32:10,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:10,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834297497]
[2024-12-02 15:32:10,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:10,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:10,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:32:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:10,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:32:10,883 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:32:10,883 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining)
[2024-12-02 15:32:10,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining)
[2024-12-02 15:32:10,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining)
[2024-12-02 15:32:10,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining)
[2024-12-02 15:32:10,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining)
[2024-12-02 15:32:10,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining)
[2024-12-02 15:32:10,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:32:10,885 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 15:32:10,886 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 15:32:10,886 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-12-02 15:32:10,978 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 15:32:10,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 131 transitions, 280 flow
[2024-12-02 15:32:11,012 INFO L124 PetriNetUnfolderBase]: 13/159 cut-off events.
[2024-12-02 15:32:11,012 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-12-02 15:32:11,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 159 events. 13/159 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 515 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 117. Up to 8 conditions per place.
[2024-12-02 15:32:11,014 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 131 transitions, 280 flow
[2024-12-02 15:32:11,016 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 131 transitions, 280 flow
[2024-12-02 15:32:11,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:32:11,018 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@5ddaf2a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:32:11,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations.
[2024-12-02 15:32:11,022 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 15:32:11,022 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events.
[2024-12-02 15:32:11,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 15:32:11,022 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:11,022 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:11,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-12-02 15:32:11,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash -87806709, now seen corresponding path program 1 times
[2024-12-02 15:32:11,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:11,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033894432]
[2024-12-02 15:32:11,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:11,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:11,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033894432]
[2024-12-02 15:32:11,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033894432] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:11,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:11,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 15:32:11,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463954989]
[2024-12-02 15:32:11,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:11,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:32:11,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:11,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:32:11,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:32:11,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 131
[2024-12-02 15:32:11,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 131 transitions, 280 flow. Second operand has 2 states, 2 states have (on average 97.0) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:11,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:11,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 131
[2024-12-02 15:32:11,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:11,440 INFO L124 PetriNetUnfolderBase]: 174/838 cut-off events.
[2024-12-02 15:32:11,440 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES.
[2024-12-02 15:32:11,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 838 events. 174/838 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5422 event pairs, 108 based on Foata normal form. 85/820 useless extension candidates. Maximal degree in co-relation 810. Up to 229 conditions per place.
[2024-12-02 15:32:11,448 INFO L140 encePairwiseOnDemand]: 108/131 looper letters, 12 selfloop transitions, 0 changer transitions 0/105 dead transitions.
[2024-12-02 15:32:11,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 105 transitions, 252 flow
[2024-12-02 15:32:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:32:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 15:32:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 227 transitions.
[2024-12-02 15:32:11,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8664122137404581
[2024-12-02 15:32:11,450 INFO L175 Difference]: Start difference. First operand has 128 places, 131 transitions, 280 flow. Second operand 2 states and 227 transitions.
[2024-12-02 15:32:11,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 105 transitions, 252 flow
[2024-12-02 15:32:11,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 105 transitions, 250 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:11,452 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 226 flow
[2024-12-02 15:32:11,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=226, PETRI_PLACES=107, PETRI_TRANSITIONS=105}
[2024-12-02 15:32:11,453 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, -21 predicate places.
[2024-12-02 15:32:11,453 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 226 flow
[2024-12-02 15:32:11,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.0) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:11,454 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:11,454 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:11,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 15:32:11,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-12-02 15:32:11,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:11,454 INFO L85 PathProgramCache]: Analyzing trace with hash -202250379, now seen corresponding path program 1 times
[2024-12-02 15:32:11,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:11,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464714366]
[2024-12-02 15:32:11,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:11,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:11,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:11,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464714366]
[2024-12-02 15:32:11,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464714366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:11,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:11,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:11,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077267035]
[2024-12-02 15:32:11,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:11,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:32:11,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:11,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:32:11,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:32:12,097 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 131
[2024-12-02 15:32:12,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 88.5) internal successors, (531), 6 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:12,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:12,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 131
[2024-12-02 15:32:12,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:13,663 INFO L124 PetriNetUnfolderBase]: 805/2677 cut-off events.
[2024-12-02 15:32:13,663 INFO L125 PetriNetUnfolderBase]: For 247/247 co-relation queries the response was YES.
[2024-12-02 15:32:13,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4051 conditions, 2677 events. 805/2677 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 23410 event pairs, 235 based on Foata normal form. 0/2370 useless extension candidates. Maximal degree in co-relation 4045. Up to 770 conditions per place.
[2024-12-02 15:32:13,687 INFO L140 encePairwiseOnDemand]: 120/131 looper letters, 46 selfloop transitions, 16 changer transitions 0/146 dead transitions.
[2024-12-02 15:32:13,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 146 transitions, 472 flow
[2024-12-02 15:32:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:32:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 15:32:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 585 transitions.
[2024-12-02 15:32:13,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7442748091603053
[2024-12-02 15:32:13,690 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 226 flow. Second operand 6 states and 585 transitions.
[2024-12-02 15:32:13,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 146 transitions, 472 flow
[2024-12-02 15:32:13,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 146 transitions, 472 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:13,694 INFO L231 Difference]: Finished difference. Result has 117 places, 120 transitions, 340 flow
[2024-12-02 15:32:13,694 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=340, PETRI_PLACES=117, PETRI_TRANSITIONS=120}
[2024-12-02 15:32:13,695 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, -11 predicate places.
[2024-12-02 15:32:13,695 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 120 transitions, 340 flow
[2024-12-02 15:32:13,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.5) internal successors, (531), 6 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:13,696 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:13,696 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:13,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 15:32:13,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-12-02 15:32:13,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:13,697 INFO L85 PathProgramCache]: Analyzing trace with hash -665389556, now seen corresponding path program 1 times
[2024-12-02 15:32:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:13,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463817973]
[2024-12-02 15:32:13,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:13,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:13,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:32:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:13,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:32:13,722 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining)
[2024-12-02 15:32:13,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining)
[2024-12-02 15:32:13,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining)
[2024-12-02 15:32:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining)
[2024-12-02 15:32:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining)
[2024-12-02 15:32:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining)
[2024-12-02 15:32:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining)
[2024-12-02 15:32:13,725 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining)
[2024-12-02 15:32:13,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 15:32:13,725 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 15:32:13,726 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 15:32:13,726 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-12-02 15:32:13,815 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 15:32:13,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 167 transitions, 362 flow
[2024-12-02 15:32:13,843 INFO L124 PetriNetUnfolderBase]: 17/205 cut-off events.
[2024-12-02 15:32:13,844 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-12-02 15:32:13,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 205 events. 17/205 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 724 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 167. Up to 10 conditions per place.
[2024-12-02 15:32:13,845 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 167 transitions, 362 flow
[2024-12-02 15:32:13,848 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 167 transitions, 362 flow
[2024-12-02 15:32:13,848 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:32:13,849 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@5ddaf2a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:32:13,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations.
[2024-12-02 15:32:13,851 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 15:32:13,852 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events.
[2024-12-02 15:32:13,852 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 15:32:13,852 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:13,852 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:13,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-12-02 15:32:13,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash -375975406, now seen corresponding path program 1 times
[2024-12-02 15:32:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:13,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008124596]
[2024-12-02 15:32:13,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:13,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:13,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008124596]
[2024-12-02 15:32:13,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008124596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:13,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:13,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 15:32:13,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954393179]
[2024-12-02 15:32:13,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:13,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:32:13,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:13,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:32:13,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:32:13,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 167
[2024-12-02 15:32:13,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 167 transitions, 362 flow. Second operand has 2 states, 2 states have (on average 122.0) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:13,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:13,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 167
[2024-12-02 15:32:13,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:14,528 INFO L124 PetriNetUnfolderBase]: 1028/3656 cut-off events.
[2024-12-02 15:32:14,528 INFO L125 PetriNetUnfolderBase]: For 755/755 co-relation queries the response was YES.
[2024-12-02 15:32:14,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5312 conditions, 3656 events. 1028/3656 cut-off events. For 755/755 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 32374 event pairs, 684 based on Foata normal form. 341/3545 useless extension candidates. Maximal degree in co-relation 3726. Up to 1253 conditions per place.
[2024-12-02 15:32:14,555 INFO L140 encePairwiseOnDemand]: 137/167 looper letters, 16 selfloop transitions, 0 changer transitions 0/134 dead transitions.
[2024-12-02 15:32:14,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 134 transitions, 328 flow
[2024-12-02 15:32:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:32:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 15:32:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 288 transitions.
[2024-12-02 15:32:14,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8622754491017964
[2024-12-02 15:32:14,557 INFO L175 Difference]: Start difference. First operand has 163 places, 167 transitions, 362 flow. Second operand 2 states and 288 transitions.
[2024-12-02 15:32:14,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 134 transitions, 328 flow
[2024-12-02 15:32:14,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 134 transitions, 322 flow, removed 3 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:14,560 INFO L231 Difference]: Finished difference. Result has 136 places, 134 transitions, 290 flow
[2024-12-02 15:32:14,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=290, PETRI_PLACES=136, PETRI_TRANSITIONS=134}
[2024-12-02 15:32:14,561 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -27 predicate places.
[2024-12-02 15:32:14,561 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 134 transitions, 290 flow
[2024-12-02 15:32:14,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 122.0) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:14,561 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:14,561 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:14,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 15:32:14,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-12-02 15:32:14,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash 152753688, now seen corresponding path program 1 times
[2024-12-02 15:32:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:14,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844885519]
[2024-12-02 15:32:14,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:14,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:14,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844885519]
[2024-12-02 15:32:14,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844885519] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:14,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:14,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318175389]
[2024-12-02 15:32:14,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:14,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:32:14,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:14,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:32:14,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:32:14,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 167
[2024-12-02 15:32:14,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 134 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 113.5) internal successors, (681), 6 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:14,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:14,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 167
[2024-12-02 15:32:14,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:18,045 INFO L124 PetriNetUnfolderBase]: 4956/13317 cut-off events.
[2024-12-02 15:32:18,045 INFO L125 PetriNetUnfolderBase]: For 1141/1141 co-relation queries the response was YES.
[2024-12-02 15:32:18,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20715 conditions, 13317 events. 4956/13317 cut-off events. For 1141/1141 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 141009 event pairs, 1678 based on Foata normal form. 0/11794 useless extension candidates. Maximal degree in co-relation 20708. Up to 4383 conditions per place.
[2024-12-02 15:32:18,131 INFO L140 encePairwiseOnDemand]: 155/167 looper letters, 62 selfloop transitions, 20 changer transitions 0/191 dead transitions.
[2024-12-02 15:32:18,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 191 transitions, 628 flow
[2024-12-02 15:32:18,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:32:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 15:32:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions.
[2024-12-02 15:32:18,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7534930139720559
[2024-12-02 15:32:18,134 INFO L175 Difference]: Start difference. First operand has 136 places, 134 transitions, 290 flow. Second operand 6 states and 755 transitions.
[2024-12-02 15:32:18,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 191 transitions, 628 flow
[2024-12-02 15:32:18,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 191 transitions, 628 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:18,139 INFO L231 Difference]: Finished difference. Result has 146 places, 153 transitions, 430 flow
[2024-12-02 15:32:18,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=146, PETRI_TRANSITIONS=153}
[2024-12-02 15:32:18,139 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -17 predicate places.
[2024-12-02 15:32:18,140 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 153 transitions, 430 flow
[2024-12-02 15:32:18,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.5) internal successors, (681), 6 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:18,140 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:18,140 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:18,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 15:32:18,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-12-02 15:32:18,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash -284568162, now seen corresponding path program 1 times
[2024-12-02 15:32:18,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:18,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509288150]
[2024-12-02 15:32:18,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:18,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:18,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:18,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509288150]
[2024-12-02 15:32:18,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509288150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:18,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:18,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:18,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765838065]
[2024-12-02 15:32:18,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:18,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:32:18,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:18,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:32:18,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:32:18,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 167
[2024-12-02 15:32:18,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 153 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 113.66666666666667) internal successors, (682), 6 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:18,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:18,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 167
[2024-12-02 15:32:18,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:24,162 INFO L124 PetriNetUnfolderBase]: 13776/35405 cut-off events.
[2024-12-02 15:32:24,162 INFO L125 PetriNetUnfolderBase]: For 11605/12464 co-relation queries the response was YES.
[2024-12-02 15:32:24,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63583 conditions, 35405 events. 13776/35405 cut-off events. For 11605/12464 co-relation queries the response was YES. Maximal size of possible extension queue 1500. Compared 430576 event pairs, 3667 based on Foata normal form. 0/31652 useless extension candidates. Maximal degree in co-relation 63571. Up to 12116 conditions per place.
[2024-12-02 15:32:24,536 INFO L140 encePairwiseOnDemand]: 155/167 looper letters, 71 selfloop transitions, 60 changer transitions 0/246 dead transitions.
[2024-12-02 15:32:24,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 246 transitions, 1104 flow
[2024-12-02 15:32:24,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:32:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 15:32:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 751 transitions.
[2024-12-02 15:32:24,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7495009980039921
[2024-12-02 15:32:24,539 INFO L175 Difference]: Start difference. First operand has 146 places, 153 transitions, 430 flow. Second operand 6 states and 751 transitions.
[2024-12-02 15:32:24,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 246 transitions, 1104 flow
[2024-12-02 15:32:24,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 246 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:24,561 INFO L231 Difference]: Finished difference. Result has 156 places, 212 transitions, 1022 flow
[2024-12-02 15:32:24,562 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1022, PETRI_PLACES=156, PETRI_TRANSITIONS=212}
[2024-12-02 15:32:24,562 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, -7 predicate places.
[2024-12-02 15:32:24,562 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 212 transitions, 1022 flow
[2024-12-02 15:32:24,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.66666666666667) internal successors, (682), 6 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:24,563 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:24,563 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:24,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 15:32:24,563 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-12-02 15:32:24,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash -55006304, now seen corresponding path program 1 times
[2024-12-02 15:32:24,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:24,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000815532]
[2024-12-02 15:32:24,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:24,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:24,578 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:32:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:32:24,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:32:24,592 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining)
[2024-12-02 15:32:24,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining)
[2024-12-02 15:32:24,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining)
[2024-12-02 15:32:24,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining)
[2024-12-02 15:32:24,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining)
[2024-12-02 15:32:24,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining)
[2024-12-02 15:32:24,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 15:32:24,595 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 15:32:24,596 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 15:32:24,596 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-12-02 15:32:24,713 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 15:32:24,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 203 transitions, 446 flow
[2024-12-02 15:32:24,766 INFO L124 PetriNetUnfolderBase]: 21/251 cut-off events.
[2024-12-02 15:32:24,766 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-12-02 15:32:24,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 251 events. 21/251 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 925 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 218. Up to 12 conditions per place.
[2024-12-02 15:32:24,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 203 transitions, 446 flow
[2024-12-02 15:32:24,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 203 transitions, 446 flow
[2024-12-02 15:32:24,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:32:24,773 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@5ddaf2a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:32:24,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations.
[2024-12-02 15:32:24,776 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 15:32:24,776 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events.
[2024-12-02 15:32:24,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 15:32:24,776 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:24,776 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:24,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-12-02 15:32:24,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:24,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1118354295, now seen corresponding path program 1 times
[2024-12-02 15:32:24,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:24,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822182460]
[2024-12-02 15:32:24,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:24,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:24,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822182460]
[2024-12-02 15:32:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822182460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:24,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:24,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 15:32:24,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365084967]
[2024-12-02 15:32:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:24,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:32:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:24,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:32:24,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:32:24,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 203
[2024-12-02 15:32:24,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 203 transitions, 446 flow. Second operand has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:24,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:24,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 203
[2024-12-02 15:32:24,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:27,002 INFO L124 PetriNetUnfolderBase]: 5466/15946 cut-off events.
[2024-12-02 15:32:27,003 INFO L125 PetriNetUnfolderBase]: For 4599/4599 co-relation queries the response was YES.
[2024-12-02 15:32:27,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24259 conditions, 15946 events. 5466/15946 cut-off events. For 4599/4599 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 172277 event pairs, 3756 based on Foata normal form. 1365/15444 useless extension candidates. Maximal degree in co-relation 16914. Up to 6373 conditions per place.
[2024-12-02 15:32:27,162 INFO L140 encePairwiseOnDemand]: 166/203 looper letters, 20 selfloop transitions, 0 changer transitions 0/163 dead transitions.
[2024-12-02 15:32:27,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 406 flow
[2024-12-02 15:32:27,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:32:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 15:32:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 349 transitions.
[2024-12-02 15:32:27,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8596059113300493
[2024-12-02 15:32:27,164 INFO L175 Difference]: Start difference. First operand has 198 places, 203 transitions, 446 flow. Second operand 2 states and 349 transitions.
[2024-12-02 15:32:27,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 406 flow
[2024-12-02 15:32:27,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 394 flow, removed 6 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:27,167 INFO L231 Difference]: Finished difference. Result has 165 places, 163 transitions, 354 flow
[2024-12-02 15:32:27,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=354, PETRI_PLACES=165, PETRI_TRANSITIONS=163}
[2024-12-02 15:32:27,168 INFO L279 CegarLoopForPetriNet]: 198 programPoint places, -33 predicate places.
[2024-12-02 15:32:27,168 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 354 flow
[2024-12-02 15:32:27,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:27,168 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:27,168 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:27,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 15:32:27,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-12-02 15:32:27,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:27,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2016240901, now seen corresponding path program 1 times
[2024-12-02 15:32:27,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:27,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631121349]
[2024-12-02 15:32:27,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:27,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:27,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631121349]
[2024-12-02 15:32:27,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631121349] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:27,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:27,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:27,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284485697]
[2024-12-02 15:32:27,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:27,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:32:27,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:27,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:32:27,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:32:27,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 203
[2024-12-02 15:32:27,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 163 transitions, 354 flow. Second operand has 6 states, 6 states have (on average 138.5) internal successors, (831), 6 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:27,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:27,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 203
[2024-12-02 15:32:27,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:32:37,138 INFO L124 PetriNetUnfolderBase]: 26524/61214 cut-off events.
[2024-12-02 15:32:37,138 INFO L125 PetriNetUnfolderBase]: For 4772/4772 co-relation queries the response was YES.
[2024-12-02 15:32:37,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97733 conditions, 61214 events. 26524/61214 cut-off events. For 4772/4772 co-relation queries the response was YES. Maximal size of possible extension queue 2214. Compared 728117 event pairs, 9749 based on Foata normal form. 0/54623 useless extension candidates. Maximal degree in co-relation 97725. Up to 22453 conditions per place.
[2024-12-02 15:32:37,649 INFO L140 encePairwiseOnDemand]: 190/203 looper letters, 78 selfloop transitions, 24 changer transitions 0/236 dead transitions.
[2024-12-02 15:32:37,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 236 transitions, 784 flow
[2024-12-02 15:32:37,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:32:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 15:32:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 925 transitions.
[2024-12-02 15:32:37,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7594417077175698
[2024-12-02 15:32:37,651 INFO L175 Difference]: Start difference. First operand has 165 places, 163 transitions, 354 flow. Second operand 6 states and 925 transitions.
[2024-12-02 15:32:37,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 236 transitions, 784 flow
[2024-12-02 15:32:37,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 236 transitions, 784 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:32:37,656 INFO L231 Difference]: Finished difference. Result has 175 places, 186 transitions, 520 flow
[2024-12-02 15:32:37,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=175, PETRI_TRANSITIONS=186}
[2024-12-02 15:32:37,657 INFO L279 CegarLoopForPetriNet]: 198 programPoint places, -23 predicate places.
[2024-12-02 15:32:37,657 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 186 transitions, 520 flow
[2024-12-02 15:32:37,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.5) internal successors, (831), 6 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:37,657 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:32:37,657 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:32:37,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 15:32:37,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-12-02 15:32:37,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:37,658 INFO L85 PathProgramCache]: Analyzing trace with hash 997435908, now seen corresponding path program 1 times
[2024-12-02 15:32:37,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:37,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305817144]
[2024-12-02 15:32:37,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:37,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:37,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:37,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305817144]
[2024-12-02 15:32:37,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305817144] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:37,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847323626]
[2024-12-02 15:32:37,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:37,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:32:37,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:37,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:32:37,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:32:38,119 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 203
[2024-12-02 15:32:38,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 186 transitions, 520 flow. Second operand has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:32:38,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:32:38,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 203
[2024-12-02 15:32:38,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:33:04,209 INFO L124 PetriNetUnfolderBase]: 78813/176543 cut-off events.
[2024-12-02 15:33:04,209 INFO L125 PetriNetUnfolderBase]: For 61195/65861 co-relation queries the response was YES.
[2024-12-02 15:33:05,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324929 conditions, 176543 events. 78813/176543 cut-off events. For 61195/65861 co-relation queries the response was YES. Maximal size of possible extension queue 6238. Compared 2367857 event pairs, 23480 based on Foata normal form. 0/158097 useless extension candidates. Maximal degree in co-relation 324916. Up to 66931 conditions per place.
[2024-12-02 15:33:06,214 INFO L140 encePairwiseOnDemand]: 190/203 looper letters, 91 selfloop transitions, 80 changer transitions 0/311 dead transitions.
[2024-12-02 15:33:06,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 311 transitions, 1430 flow
[2024-12-02 15:33:06,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:33:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 15:33:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 921 transitions.
[2024-12-02 15:33:06,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7561576354679803
[2024-12-02 15:33:06,217 INFO L175 Difference]: Start difference. First operand has 175 places, 186 transitions, 520 flow. Second operand 6 states and 921 transitions.
[2024-12-02 15:33:06,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 311 transitions, 1430 flow
[2024-12-02 15:33:06,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 311 transitions, 1430 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 15:33:06,290 INFO L231 Difference]: Finished difference. Result has 185 places, 265 transitions, 1314 flow
[2024-12-02 15:33:06,291 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1314, PETRI_PLACES=185, PETRI_TRANSITIONS=265}
[2024-12-02 15:33:06,291 INFO L279 CegarLoopForPetriNet]: 198 programPoint places, -13 predicate places.
[2024-12-02 15:33:06,291 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 265 transitions, 1314 flow
[2024-12-02 15:33:06,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:33:06,292 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:33:06,292 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:33:06,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 15:33:06,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-12-02 15:33:06,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:33:06,292 INFO L85 PathProgramCache]: Analyzing trace with hash -216959890, now seen corresponding path program 1 times
[2024-12-02 15:33:06,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:33:06,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963907111]
[2024-12-02 15:33:06,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:33:06,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:33:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:33:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:33:06,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:33:06,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963907111]
[2024-12-02 15:33:06,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963907111] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:33:06,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:33:06,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:33:06,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19431835]
[2024-12-02 15:33:06,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:33:06,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:33:06,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:33:06,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:33:06,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:33:06,739 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 203
[2024-12-02 15:33:06,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 265 transitions, 1314 flow. Second operand has 6 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:33:06,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:33:06,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 203
[2024-12-02 15:33:06,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand