./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton.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_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/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_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/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_e12ee276-9a61-4d1e-aea8-28372d06570e/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:28:43,783 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:28:43,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-08 16:28:43,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:28:43,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:28:43,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:28:43,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:28:43,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:28:43,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:28:43,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:28:43,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:28:43,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:28:43,921 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:28:43,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:28:43,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:28:43,922 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:28:43,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:28:43,924 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:28:43,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:28:43,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:28:43,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:28:43,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:28:43,927 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-08 16:28:43,927 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:28:43,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:28:43,928 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:28:43,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:28:43,930 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:28:43,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:28:43,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:28:43,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:28:43,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:28:43,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:28:43,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:28:43,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:28:43,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:28:43,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:28:43,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:28:43,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:28:43,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:28:43,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:28:43,938 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_e12ee276-9a61-4d1e-aea8-28372d06570e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f
[2024-11-08 16:28:44,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:28:44,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:28:44,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:28:44,401 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:28:44,402 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:28:44,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/singleton.i
Unable to find full path for "g++"
[2024-11-08 16:28:47,008 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:28:47,356 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:28:47,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/sv-benchmarks/c/pthread/singleton.i
[2024-11-08 16:28:47,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/data/9c9724f31/32b3edc76ba945a8b10c0ff97c060c65/FLAG731a1966b
[2024-11-08 16:28:47,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/data/9c9724f31/32b3edc76ba945a8b10c0ff97c060c65
[2024-11-08 16:28:47,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:28:47,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:28:47,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:28:47,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:28:47,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:28:47,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:47" (1/1) ...
[2024-11-08 16:28:47,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ca0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:47, skipping insertion in model container
[2024-11-08 16:28:47,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:47" (1/1) ...
[2024-11-08 16:28:47,507 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:28:48,311 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:28:48,325 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:28:48,407 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:28:48,502 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:28:48,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48 WrapperNode
[2024-11-08 16:28:48,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:28:48,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:28:48,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:28:48,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:28:48,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,572 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34
[2024-11-08 16:28:48,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:28:48,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:28:48,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:28:48,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:28:48,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:28:48,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:28:48,610 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:28:48,610 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:28:48,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (1/1) ...
[2024-11-08 16:28:48,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:28:48,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:28:48,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:28:48,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:28:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 16:28:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 16:28:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-08 16:28:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread0
[2024-11-08 16:28:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0
[2024-11-08 16:28:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-08 16:28:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-08 16:28:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-08 16:28:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-08 16:28:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-08 16:28:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-08 16:28:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-08 16:28:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 16:28:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:28:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-08 16:28:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:28:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:28:48,734 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 16:28:48,960 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:28:48,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:28:49,230 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:28:49,230 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:28:49,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:28:49,289 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:28:49,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:49 BoogieIcfgContainer
[2024-11-08 16:28:49,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:28:49,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:28:49,293 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:28:49,342 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:28:49,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:28:47" (1/3) ...
[2024-11-08 16:28:49,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14770a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:28:49, skipping insertion in model container
[2024-11-08 16:28:49,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:48" (2/3) ...
[2024-11-08 16:28:49,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14770a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:28:49, skipping insertion in model container
[2024-11-08 16:28:49,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:49" (3/3) ...
[2024-11-08 16:28:49,351 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i
[2024-11-08 16:28:49,390 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:28:49,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations.
[2024-11-08 16:28:49,391 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:28:49,634 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions.
[2024-11-08 16:28:49,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 178 places, 169 transitions, 435 flow
[2024-11-08 16:28:49,800 INFO L124 PetriNetUnfolderBase]: 7/125 cut-off events.
[2024-11-08 16:28:49,800 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-08 16:28:49,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 125 events. 7/125 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 105. Up to 3 conditions per place.
[2024-11-08 16:28:49,814 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 169 transitions, 435 flow
[2024-11-08 16:28:49,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 106 transitions, 263 flow
[2024-11-08 16:28:49,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:28:49,843 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;@6d9cf1a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:28:49,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations.
[2024-11-08 16:28:49,860 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:28:49,860 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events.
[2024-11-08 16:28:49,860 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:28:49,861 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:28:49,862 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]
[2024-11-08 16:28:49,862 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-08 16:28:49,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:28:49,870 INFO L85 PathProgramCache]: Analyzing trace with hash -924119383, now seen corresponding path program 1 times
[2024-11-08 16:28:49,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:28:49,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193350985]
[2024-11-08 16:28:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:28:49,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:28:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:28:50,238 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 16:28:50,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:28:50,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193350985]
[2024-11-08 16:28:50,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193350985] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:28:50,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:28:50,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:28:50,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387043142]
[2024-11-08 16:28:50,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:28:50,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:28:50,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:28:50,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:28:50,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:28:50,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 171
[2024-11-08 16:28:50,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 106 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 16:28:50,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:28:50,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 171
[2024-11-08 16:28:50,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:28:50,570 INFO L124 PetriNetUnfolderBase]: 67/252 cut-off events.
[2024-11-08 16:28:50,570 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES.
[2024-11-08 16:28:50,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 252 events. 67/252 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 737 event pairs, 51 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 413. Up to 120 conditions per place.
[2024-11-08 16:28:50,576 INFO L140 encePairwiseOnDemand]: 160/171 looper letters, 24 selfloop transitions, 2 changer transitions 0/97 dead transitions.
[2024-11-08 16:28:50,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 97 transitions, 297 flow
[2024-11-08 16:28:50,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:28:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:28:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions.
[2024-11-08 16:28:50,595 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7641325536062378
[2024-11-08 16:28:50,598 INFO L175 Difference]: Start difference. First operand has 120 places, 106 transitions, 263 flow. Second operand 3 states and 392 transitions.
[2024-11-08 16:28:50,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 97 transitions, 297 flow
[2024-11-08 16:28:50,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 97 transitions, 263 flow, removed 0 selfloop flow, removed 12 redundant places.
[2024-11-08 16:28:50,609 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 215 flow
[2024-11-08 16:28:50,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=101, PETRI_TRANSITIONS=97}
[2024-11-08 16:28:50,615 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -19 predicate places.
[2024-11-08 16:28:50,616 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 215 flow
[2024-11-08 16:28:50,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 16:28:50,616 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:28:50,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:28:50,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:28:50,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-08 16:28:50,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:28:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash 518272125, now seen corresponding path program 1 times
[2024-11-08 16:28:50,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:28:50,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681729571]
[2024-11-08 16:28:50,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:28:50,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:28:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:28:50,857 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 16:28:50,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:28:50,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681729571]
[2024-11-08 16:28:50,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681729571] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:28:50,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:28:50,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:28:50,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002536533]
[2024-11-08 16:28:50,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:28:50,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:28:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:28:50,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:28:50,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:28:50,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 171
[2024-11-08 16:28:50,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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 16:28:50,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:28:50,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 171
[2024-11-08 16:28:50,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:28:51,036 INFO L124 PetriNetUnfolderBase]: 67/272 cut-off events.
[2024-11-08 16:28:51,038 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-11-08 16:28:51,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 272 events. 67/272 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 836 event pairs, 29 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 383. Up to 110 conditions per place.
[2024-11-08 16:28:51,044 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 27 selfloop transitions, 4 changer transitions 0/103 dead transitions.
[2024-11-08 16:28:51,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 103 transitions, 292 flow
[2024-11-08 16:28:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:28:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:28:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions.
[2024-11-08 16:28:51,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7699805068226121
[2024-11-08 16:28:51,053 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 215 flow. Second operand 3 states and 395 transitions.
[2024-11-08 16:28:51,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 103 transitions, 292 flow
[2024-11-08 16:28:51,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 103 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:28:51,057 INFO L231 Difference]: Finished difference. Result has 101 places, 100 transitions, 237 flow
[2024-11-08 16:28:51,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=101, PETRI_TRANSITIONS=100}
[2024-11-08 16:28:51,059 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -19 predicate places.
[2024-11-08 16:28:51,059 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 100 transitions, 237 flow
[2024-11-08 16:28:51,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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 16:28:51,059 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:28:51,060 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:28:51,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:28:51,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-08 16:28:51,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:28:51,065 INFO L85 PathProgramCache]: Analyzing trace with hash -437690641, now seen corresponding path program 1 times
[2024-11-08 16:28:51,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:28:51,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901568637]
[2024-11-08 16:28:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:28:51,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:28:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:28:51,398 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 16:28:51,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:28:51,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901568637]
[2024-11-08 16:28:51,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901568637] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:28:51,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:28:51,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:28:51,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447104859]
[2024-11-08 16:28:51,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:28:51,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:28:51,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:28:51,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:28:51,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:28:51,428 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 171
[2024-11-08 16:28:51,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 100 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 16:28:51,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:28:51,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 171
[2024-11-08 16:28:51,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:28:51,582 INFO L124 PetriNetUnfolderBase]: 67/256 cut-off events.
[2024-11-08 16:28:51,583 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES.
[2024-11-08 16:28:51,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 256 events. 67/256 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 750 event pairs, 35 based on Foata normal form. 1/231 useless extension candidates. Maximal degree in co-relation 442. Up to 119 conditions per place.
[2024-11-08 16:28:51,588 INFO L140 encePairwiseOnDemand]: 169/171 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions.
[2024-11-08 16:28:51,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 99 transitions, 291 flow
[2024-11-08 16:28:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:28:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:28:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions.
[2024-11-08 16:28:51,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7504873294346979
[2024-11-08 16:28:51,591 INFO L175 Difference]: Start difference. First operand has 101 places, 100 transitions, 237 flow. Second operand 3 states and 385 transitions.
[2024-11-08 16:28:51,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 99 transitions, 291 flow
[2024-11-08 16:28:51,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 99 transitions, 291 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 16:28:51,595 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow
[2024-11-08 16:28:51,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0}
[2024-11-08 16:28:51,599 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -18 predicate places.
[2024-11-08 16:28:51,599 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow
[2024-11-08 16:28:51,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 16:28:51,607 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining)
[2024-11-08 16:28:51,609 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 27 remaining)
[2024-11-08 16:28:51,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 27 remaining)
[2024-11-08 16:28:51,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 27 remaining)
[2024-11-08 16:28:51,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 27 remaining)
[2024-11-08 16:28:51,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining)
[2024-11-08 16:28:51,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining)
[2024-11-08 16:28:51,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining)
[2024-11-08 16:28:51,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining)
[2024-11-08 16:28:51,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining)
[2024-11-08 16:28:51,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining)
[2024-11-08 16:28:51,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining)
[2024-11-08 16:28:51,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 27 remaining)
[2024-11-08 16:28:51,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining)
[2024-11-08 16:28:51,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining)
[2024-11-08 16:28:51,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining)
[2024-11-08 16:28:51,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining)
[2024-11-08 16:28:51,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining)
[2024-11-08 16:28:51,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining)
[2024-11-08 16:28:51,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining)
[2024-11-08 16:28:51,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining)
[2024-11-08 16:28:51,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining)
[2024-11-08 16:28:51,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining)
[2024-11-08 16:28:51,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining)
[2024-11-08 16:28:51,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining)
[2024-11-08 16:28:51,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining)
[2024-11-08 16:28:51,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining)
[2024-11-08 16:28:51,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:28:51,618 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-08 16:28:51,628 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 16:28:51,628 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:28:51,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:28:51 BasicIcfg
[2024-11-08 16:28:51,635 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:28:51,636 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:28:51,636 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:28:51,637 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:28:51,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:49" (3/4) ...
[2024-11-08 16:28:51,641 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:28:51,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0
[2024-11-08 16:28:51,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-08 16:28:51,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-08 16:28:51,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-11-08 16:28:51,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 16:28:51,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 16:28:51,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 16:28:51,655 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 16:28:51,761 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:28:51,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:28:51,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:28:51,765 INFO L158 Benchmark]: Toolchain (without parser) took 4353.29ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 111.3MB in the end (delta: -316.9kB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,765 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:28:51,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.33ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 74.6MB in the end (delta: 36.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.48ms. Allocated memory is still 155.2MB. Free memory was 74.6MB in the beginning and 71.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,767 INFO L158 Benchmark]: Boogie Preprocessor took 35.21ms. Allocated memory is still 155.2MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,768 INFO L158 Benchmark]: RCFGBuilder took 680.19ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 53.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,768 INFO L158 Benchmark]: TraceAbstraction took 2342.28ms. Allocated memory is still 155.2MB. Free memory was 52.3MB in the beginning and 115.5MB in the end (delta: -63.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,773 INFO L158 Benchmark]: Witness Printer took 128.29ms. Allocated memory is still 155.2MB. Free memory was 115.5MB in the beginning and 111.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:28:51,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1086.33ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 74.6MB in the end (delta: 36.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 69.48ms. Allocated memory is still 155.2MB. Free memory was 74.6MB in the beginning and 71.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.21ms. Allocated memory is still 155.2MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 680.19ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 53.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2342.28ms. Allocated memory is still 155.2MB. Free memory was 52.3MB in the beginning and 115.5MB in the end (delta: -63.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB.
* Witness Printer took 128.29ms. Allocated memory is still 155.2MB. Free memory was 115.5MB in the beginning and 111.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 1127]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1133]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1133]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1140]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1140]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1164]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1164]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 11 procedures, 206 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
7 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 16:28:51,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12ee276-9a61-4d1e-aea8-28372d06570e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE