./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/barrier_3t.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/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_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/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_a6fb0618-15e2-4aff-b540-40599a614513/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 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:49:18,450 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:49:18,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-08 18:49:18,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:49:18,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:49:18,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:49:18,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:49:18,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:49:18,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:49:18,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:49:18,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:49:18,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:49:18,622 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:49:18,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:49:18,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:49:18,623 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:49:18,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:49:18,624 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:49:18,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:49:18,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:49:18,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:49:18,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:49:18,630 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-08 18:49:18,630 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:49:18,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:49:18,631 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:49:18,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:49:18,631 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:49:18,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:49:18,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:49:18,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:49:18,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:49:18,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:49:18,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:49:18,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:49:18,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:49:18,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:49:18,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:49:18,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:49:18,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:49:18,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:49:18,639 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_a6fb0618-15e2-4aff-b540-40599a614513/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc
[2024-11-08 18:49:18,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:49:19,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:49:19,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:49:19,022 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:49:19,022 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:49:19,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-divine/barrier_3t.i
Unable to find full path for "g++"
[2024-11-08 18:49:21,000 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:49:21,313 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:49:21,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/sv-benchmarks/c/pthread-divine/barrier_3t.i
[2024-11-08 18:49:21,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/data/b72afa612/41de3efbaab3400c9915d671687ae5e1/FLAGdc666dce0
[2024-11-08 18:49:21,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/data/b72afa612/41de3efbaab3400c9915d671687ae5e1
[2024-11-08 18:49:21,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:49:21,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:49:21,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:49:21,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:49:21,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:49:21,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:49:21" (1/1) ...
[2024-11-08 18:49:21,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9f5a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:21, skipping insertion in model container
[2024-11-08 18:49:21,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:49:21" (1/1) ...
[2024-11-08 18:49:21,670 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:49:22,260 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:49:22,281 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:49:22,403 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:49:22,456 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:49:22,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22 WrapperNode
[2024-11-08 18:49:22,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:49:22,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:49:22,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:49:22,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:49:22,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,599 INFO L138 Inliner]: procedures = 174, calls = 99, calls flagged for inlining = 19, calls inlined = 31, statements flattened = 1039
[2024-11-08 18:49:22,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:49:22,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:49:22,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:49:22,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:49:22,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:49:22,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:49:22,791 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:49:22,792 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:49:22,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (1/1) ...
[2024-11-08 18:49:22,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:49:22,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:49:22,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:49:22,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fb0618-15e2-4aff-b540-40599a614513/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:49:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-08 18:49:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-08 18:49:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-08 18:49:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn
[2024-11-08 18:49:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn
[2024-11-08 18:49:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:49:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-11-08 18:49:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 18:49:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-11-08 18:49:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 18:49:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-08 18:49:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-08 18:49:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:49:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:49:22,862 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 18:49:23,045 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:49:23,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:49:24,854 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:49:24,854 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:49:24,961 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:49:24,961 INFO L316 CfgBuilder]: Removed 8 assume(true) statements.
[2024-11-08 18:49:24,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:49:24 BoogieIcfgContainer
[2024-11-08 18:49:24,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:49:24,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:49:24,965 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:49:24,968 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:49:24,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:49:21" (1/3) ...
[2024-11-08 18:49:24,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd942d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:49:24, skipping insertion in model container
[2024-11-08 18:49:24,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:49:22" (2/3) ...
[2024-11-08 18:49:24,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd942d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:49:24, skipping insertion in model container
[2024-11-08 18:49:24,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:49:24" (3/3) ...
[2024-11-08 18:49:24,972 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_3t.i
[2024-11-08 18:49:24,992 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:49:24,992 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 99 error locations.
[2024-11-08 18:49:24,993 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:49:25,255 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-08 18:49:25,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1132 places, 1222 transitions, 2451 flow
[2024-11-08 18:49:26,731 INFO L124 PetriNetUnfolderBase]: 141/1807 cut-off events.
[2024-11-08 18:49:26,731 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-08 18:49:26,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1812 conditions, 1807 events. 141/1807 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 7158 event pairs, 0 based on Foata normal form. 0/1516 useless extension candidates. Maximal degree in co-relation 1095. Up to 4 conditions per place.
[2024-11-08 18:49:26,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 1132 places, 1222 transitions, 2451 flow
[2024-11-08 18:49:26,843 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1132 places, 1222 transitions, 2451 flow
[2024-11-08 18:49:26,855 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:49:26,864 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;@6d77b613, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:49:26,865 INFO L334 AbstractCegarLoop]: Starting to check reachability of 144 error locations.
[2024-11-08 18:49:26,874 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:49:26,874 INFO L124 PetriNetUnfolderBase]: 3/61 cut-off events.
[2024-11-08 18:49:26,874 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:49:26,875 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:49:26,875 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]
[2024-11-08 18:49:26,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] ===
[2024-11-08 18:49:26,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:49:26,883 INFO L85 PathProgramCache]: Analyzing trace with hash 37916966, now seen corresponding path program 1 times
[2024-11-08 18:49:26,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:49:26,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138403628]
[2024-11-08 18:49:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:49:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:49:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:49:28,002 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 18:49:28,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:49:28,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138403628]
[2024-11-08 18:49:28,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138403628] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:49:28,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:49:28,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:49:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394638191]
[2024-11-08 18:49:28,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:49:28,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:49:28,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:49:28,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:49:28,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:49:30,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 886 out of 1222
[2024-11-08 18:49:30,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1132 places, 1222 transitions, 2451 flow. Second operand has 6 states, 6 states have (on average 887.5) internal successors, (5325), 6 states have internal predecessors, (5325), 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 18:49:30,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:49:30,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 886 of 1222
[2024-11-08 18:49:30,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:49:53,719 INFO L124 PetriNetUnfolderBase]: 19413/87977 cut-off events.
[2024-11-08 18:49:53,719 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES.
[2024-11-08 18:49:53,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121291 conditions, 87977 events. 19413/87977 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 1072985 event pairs, 16093 based on Foata normal form. 7011/83686 useless extension candidates. Maximal degree in co-relation 120457. Up to 33304 conditions per place.
[2024-11-08 18:49:54,292 INFO L140 encePairwiseOnDemand]: 1162/1222 looper letters, 276 selfloop transitions, 5 changer transitions 3/1144 dead transitions.
[2024-11-08 18:49:54,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1113 places, 1144 transitions, 2857 flow
[2024-11-08 18:49:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:49:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:49:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5652 transitions.
[2024-11-08 18:49:54,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7708674304418985
[2024-11-08 18:49:54,327 INFO L175 Difference]: Start difference. First operand has 1132 places, 1222 transitions, 2451 flow. Second operand 6 states and 5652 transitions.
[2024-11-08 18:49:54,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1113 places, 1144 transitions, 2857 flow
[2024-11-08 18:49:54,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1113 places, 1144 transitions, 2857 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:49:54,356 INFO L231 Difference]: Finished difference. Result has 1113 places, 1141 transitions, 2299 flow
[2024-11-08 18:49:54,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1222, PETRI_DIFFERENCE_MINUEND_FLOW=2295, PETRI_DIFFERENCE_MINUEND_PLACES=1108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2299, PETRI_PLACES=1113, PETRI_TRANSITIONS=1141}
[2024-11-08 18:49:54,364 INFO L277 CegarLoopForPetriNet]: 1132 programPoint places, -19 predicate places.
[2024-11-08 18:49:54,364 INFO L471 AbstractCegarLoop]: Abstraction has has 1113 places, 1141 transitions, 2299 flow
[2024-11-08 18:49:54,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 887.5) internal successors, (5325), 6 states have internal predecessors, (5325), 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 18:49:54,368 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:49:54,368 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]
[2024-11-08 18:49:54,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:49:54,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] ===
[2024-11-08 18:49:54,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:49:54,369 INFO L85 PathProgramCache]: Analyzing trace with hash 533544372, now seen corresponding path program 1 times
[2024-11-08 18:49:54,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:49:54,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319430785]
[2024-11-08 18:49:54,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:49:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:49:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:49:54,435 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 18:49:54,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:49:54,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319430785]
[2024-11-08 18:49:54,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319430785] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:49:54,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:49:54,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:49:54,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662802043]
[2024-11-08 18:49:54,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:49:54,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:49:54,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:49:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:49:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:49:54,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1131 out of 1222
[2024-11-08 18:49:54,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1113 places, 1141 transitions, 2299 flow. Second operand has 3 states, 3 states have (on average 1132.3333333333333) internal successors, (3397), 3 states have internal predecessors, (3397), 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 18:49:54,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:49:54,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1131 of 1222
[2024-11-08 18:49:54,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:49:57,799 INFO L124 PetriNetUnfolderBase]: 615/10022 cut-off events.
[2024-11-08 18:49:57,799 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-08 18:49:57,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10648 conditions, 10022 events. 615/10022 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 91084 event pairs, 210 based on Foata normal form. 2/8560 useless extension candidates. Maximal degree in co-relation 10558. Up to 609 conditions per place.
[2024-11-08 18:49:57,903 INFO L140 encePairwiseOnDemand]: 1218/1222 looper letters, 36 selfloop transitions, 2 changer transitions 0/1142 dead transitions.
[2024-11-08 18:49:57,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1112 places, 1142 transitions, 2377 flow
[2024-11-08 18:49:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 18:49:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:49:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3433 transitions.
[2024-11-08 18:49:57,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936442989634479
[2024-11-08 18:49:57,911 INFO L175 Difference]: Start difference. First operand has 1113 places, 1141 transitions, 2299 flow. Second operand 3 states and 3433 transitions.
[2024-11-08 18:49:57,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1112 places, 1142 transitions, 2377 flow
[2024-11-08 18:49:57,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1107 places, 1142 transitions, 2367 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-08 18:49:57,933 INFO L231 Difference]: Finished difference. Result has 1108 places, 1142 transitions, 2303 flow
[2024-11-08 18:49:57,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1222, PETRI_DIFFERENCE_MINUEND_FLOW=2289, PETRI_DIFFERENCE_MINUEND_PLACES=1105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2303, PETRI_PLACES=1108, PETRI_TRANSITIONS=1142}
[2024-11-08 18:49:57,936 INFO L277 CegarLoopForPetriNet]: 1132 programPoint places, -24 predicate places.
[2024-11-08 18:49:57,937 INFO L471 AbstractCegarLoop]: Abstraction has has 1108 places, 1142 transitions, 2303 flow
[2024-11-08 18:49:57,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1132.3333333333333) internal successors, (3397), 3 states have internal predecessors, (3397), 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 18:49:57,939 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:49:57,940 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]
[2024-11-08 18:49:57,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:49:57,940 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 141 more)] ===
[2024-11-08 18:49:57,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:49:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash 90334767, now seen corresponding path program 1 times
[2024-11-08 18:49:57,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:49:57,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510937863]
[2024-11-08 18:49:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:49:57,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:49:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:49:58,460 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 18:49:58,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:49:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510937863]
[2024-11-08 18:49:58,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510937863] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:49:58,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:49:58,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:49:58,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457417808]
[2024-11-08 18:49:58,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:49:58,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:49:58,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:49:58,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:49:58,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:50:00,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 886 out of 1222
[2024-11-08 18:50:00,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1108 places, 1142 transitions, 2303 flow. Second operand has 6 states, 6 states have (on average 887.5) internal successors, (5325), 6 states have internal predecessors, (5325), 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 18:50:00,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:50:00,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 886 of 1222
[2024-11-08 18:50:00,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand