./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX --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 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:42:06,139 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:42:06,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-08 16:42:06,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:42:06,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:42:06,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:42:06,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:42:06,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:42:06,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:42:06,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:42:06,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:42:06,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:42:06,329 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:42:06,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:42:06,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:42:06,333 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:42:06,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:42:06,334 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:42:06,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:42:06,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:42:06,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:42:06,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:42:06,340 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-08 16:42:06,340 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:42:06,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:42:06,341 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:42:06,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:42:06,342 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:42:06,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:42:06,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:42:06,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:42:06,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:42:06,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:42:06,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:42:06,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:42:06,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:42:06,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:42:06,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:42:06,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:42:06,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:42:06,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:42:06,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1
[2024-11-08 16:42:06,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:42:06,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:42:06,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:42:06,787 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:42:06,788 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:42:06,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i
Unable to find full path for "g++"
[2024-11-08 16:42:08,948 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:42:09,322 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:42:09,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i
[2024-11-08 16:42:09,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/data/623f9f6b4/c046986d831a43a0b51ee48412f71823/FLAG64aeac121
[2024-11-08 16:42:09,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/data/623f9f6b4/c046986d831a43a0b51ee48412f71823
[2024-11-08 16:42:09,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:42:09,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:42:09,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:42:09,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:42:09,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:42:09,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:42:09" (1/1) ...
[2024-11-08 16:42:09,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f53a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:09, skipping insertion in model container
[2024-11-08 16:42:09,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:42:09" (1/1) ...
[2024-11-08 16:42:09,465 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:42:10,223 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:42:10,245 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:42:10,398 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:42:10,442 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:42:10,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10 WrapperNode
[2024-11-08 16:42:10,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:42:10,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:42:10,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:42:10,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:42:10,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,543 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 947
[2024-11-08 16:42:10,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:42:10,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:42:10,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:42:10,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:42:10,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:42:10,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:42:10,638 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:42:10,638 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:42:10,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (1/1) ...
[2024-11-08 16:42:10,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:42:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:42:10,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:42:10,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a055665-9d9e-41ed-aae6-16da971b835e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:42:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 16:42:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:42:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 16:42:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 16:42:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 16:42:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 16:42:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 16:42:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 16:42:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-11-08 16:42:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-11-08 16:42:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-08 16:42:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 16:42:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:42:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:42:10,747 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 16:42:11,021 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:42:11,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:42:12,969 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:42:12,969 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:42:19,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:42:19,503 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:42:19,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:42:19 BoogieIcfgContainer
[2024-11-08 16:42:19,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:42:19,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:42:19,507 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:42:19,511 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:42:19,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:42:09" (1/3) ...
[2024-11-08 16:42:19,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fe1fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:42:19, skipping insertion in model container
[2024-11-08 16:42:19,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:10" (2/3) ...
[2024-11-08 16:42:19,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fe1fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:42:19, skipping insertion in model container
[2024-11-08 16:42:19,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:42:19" (3/3) ...
[2024-11-08 16:42:19,517 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_tso.oepc.i
[2024-11-08 16:42:19,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:42:19,537 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 251 error locations.
[2024-11-08 16:42:19,537 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:42:19,824 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 16:42:19,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 390 places, 380 transitions, 776 flow
[2024-11-08 16:42:20,157 INFO L124 PetriNetUnfolderBase]: 3/376 cut-off events.
[2024-11-08 16:42:20,157 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:42:20,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 376 events. 3/376 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1990 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 340. Up to 2 conditions per place.
[2024-11-08 16:42:20,174 INFO L82 GeneralOperation]: Start removeDead. Operand has 390 places, 380 transitions, 776 flow
[2024-11-08 16:42:20,198 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 376 transitions, 764 flow
[2024-11-08 16:42:20,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:42:20,218 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;@2503b2a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:42:20,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 375 error locations.
[2024-11-08 16:42:20,233 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:42:20,233 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events.
[2024-11-08 16:42:20,234 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:42:20,234 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:42:20,235 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:42:20,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 371 more)] ===
[2024-11-08 16:42:20,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:42:20,242 INFO L85 PathProgramCache]: Analyzing trace with hash 45128885, now seen corresponding path program 1 times
[2024-11-08 16:42:20,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:42:20,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128733121]
[2024-11-08 16:42:20,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:42:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:42:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:42:20,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:42:20,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128733121]
[2024-11-08 16:42:20,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128733121] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:42:20,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:42:20,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 16:42:20,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534193007]
[2024-11-08 16:42:20,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:42:20,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 16:42:20,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:42:20,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 16:42:20,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 16:42:20,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 380
[2024-11-08 16:42:20,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 376 transitions, 764 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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)
[2024-11-08 16:42:20,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:42:20,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 380
[2024-11-08 16:42:20,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:42:31,893 INFO L124 PetriNetUnfolderBase]: 6070/17152 cut-off events.
[2024-11-08 16:42:31,894 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES.
[2024-11-08 16:42:31,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25602 conditions, 17152 events. 6070/17152 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 713. Compared 201042 event pairs, 6070 based on Foata normal form. 1448/17430 useless extension candidates. Maximal degree in co-relation 25551. Up to 8195 conditions per place.
[2024-11-08 16:42:32,074 INFO L140 encePairwiseOnDemand]: 128/380 looper letters, 22 selfloop transitions, 0 changer transitions 0/122 dead transitions.
[2024-11-08 16:42:32,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 122 transitions, 300 flow
[2024-11-08 16:42:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 16:42:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-08 16:42:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 484 transitions.
[2024-11-08 16:42:32,101 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6368421052631579
[2024-11-08 16:42:32,107 INFO L175 Difference]: Start difference. First operand has 386 places, 376 transitions, 764 flow. Second operand 2 states and 484 transitions.
[2024-11-08 16:42:32,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 122 transitions, 300 flow
[2024-11-08 16:42:32,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 122 transitions, 296 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-08 16:42:32,117 INFO L231 Difference]: Finished difference. Result has 132 places, 122 transitions, 252 flow
[2024-11-08 16:42:32,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=252, PETRI_PLACES=132, PETRI_TRANSITIONS=122}
[2024-11-08 16:42:32,128 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -254 predicate places.
[2024-11-08 16:42:32,128 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 122 transitions, 252 flow
[2024-11-08 16:42:32,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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)
[2024-11-08 16:42:32,129 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:42:32,130 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:42:32,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:42:32,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 371 more)] ===
[2024-11-08 16:42:32,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:42:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 309413885, now seen corresponding path program 1 times
[2024-11-08 16:42:32,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:42:32,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707867416]
[2024-11-08 16:42:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:42:32,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:42:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:42:32,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:42:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707867416]
[2024-11-08 16:42:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707867416] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:42:32,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:42:32,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:42:32,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103340234]
[2024-11-08 16:42:32,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:42:32,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:42:32,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:42:32,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:42:32,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:42:32,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 380
[2024-11-08 16:42:32,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 122 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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)
[2024-11-08 16:42:32,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:42:32,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 380
[2024-11-08 16:42:32,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:42:43,816 INFO L124 PetriNetUnfolderBase]: 9220/24541 cut-off events.
[2024-11-08 16:42:43,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:42:43,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37138 conditions, 24541 events. 9220/24541 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 281145 event pairs, 2920 based on Foata normal form. 0/22995 useless extension candidates. Maximal degree in co-relation 37135. Up to 8300 conditions per place.
[2024-11-08 16:42:44,002 INFO L140 encePairwiseOnDemand]: 378/380 looper letters, 38 selfloop transitions, 1 changer transitions 0/136 dead transitions.
[2024-11-08 16:42:44,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 136 transitions, 358 flow
[2024-11-08 16:42:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:42:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:42:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions.
[2024-11-08 16:42:44,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30350877192982456
[2024-11-08 16:42:44,008 INFO L175 Difference]: Start difference. First operand has 132 places, 122 transitions, 252 flow. Second operand 3 states and 346 transitions.
[2024-11-08 16:42:44,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 136 transitions, 358 flow
[2024-11-08 16:42:44,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 358 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 16:42:44,013 INFO L231 Difference]: Finished difference. Result has 133 places, 121 transitions, 252 flow
[2024-11-08 16:42:44,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=133, PETRI_TRANSITIONS=121}
[2024-11-08 16:42:44,015 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -253 predicate places.
[2024-11-08 16:42:44,015 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 121 transitions, 252 flow
[2024-11-08 16:42:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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)
[2024-11-08 16:42:44,016 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:42:44,017 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:42:44,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:42:44,017 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 371 more)] ===
[2024-11-08 16:42:44,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:42:44,019 INFO L85 PathProgramCache]: Analyzing trace with hash -656373729, now seen corresponding path program 1 times
[2024-11-08 16:42:44,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:42:44,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116135863]
[2024-11-08 16:42:44,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:42:44,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:42:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:42:44,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:42:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116135863]
[2024-11-08 16:42:44,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116135863] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:42:44,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:42:44,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:42:44,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654950688]
[2024-11-08 16:42:44,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:42:44,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:42:44,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:42:44,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:42:44,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:42:44,389 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 380
[2024-11-08 16:42:44,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 121 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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)
[2024-11-08 16:42:44,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:42:44,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 380
[2024-11-08 16:42:44,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand