./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/fkp2013-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC --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 ac100ce7c66b3266dc643fb77471441d693f59fe8c56e13ccaa684a73cdda8b0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:41:22,926 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:41:22,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-23 18:41:22,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:41:22,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:41:23,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:41:23,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:41:23,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:41:23,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:41:23,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:41:23,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:41:23,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:41:23,014 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:41:23,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:41:23,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:41:23,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:41:23,016 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-23 18:41:23,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 18:41:23,016 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:41:23,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:41:23,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:41:23,016 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:41:23,016 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:41:23,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:41:23,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:41:23,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:41:23,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:41:23,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:41:23,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:41:23,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:41:23,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:41:23,018 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC
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 -> ac100ce7c66b3266dc643fb77471441d693f59fe8c56e13ccaa684a73cdda8b0
[2024-11-23 18:41:23,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:41:23,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:41:23,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:41:23,292 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:41:23,293 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:41:23,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-lit/fkp2013-1.i
[2024-11-23 18:41:26,344 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/data/f546d9592/6f168a56ebfc41468c6745d226efba35/FLAGaa7263db0
[2024-11-23 18:41:26,653 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:41:26,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/sv-benchmarks/c/pthread-lit/fkp2013-1.i
[2024-11-23 18:41:26,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/data/f546d9592/6f168a56ebfc41468c6745d226efba35/FLAGaa7263db0
[2024-11-23 18:41:26,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/data/f546d9592/6f168a56ebfc41468c6745d226efba35
[2024-11-23 18:41:26,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:41:26,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:41:26,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:41:26,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:41:26,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:41:26,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:41:26" (1/1) ...
[2024-11-23 18:41:26,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f60bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:26, skipping insertion in model container
[2024-11-23 18:41:26,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:41:26" (1/1) ...
[2024-11-23 18:41:26,723 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:41:27,164 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:41:27,174 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:41:27,213 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:41:27,261 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:41:27,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27 WrapperNode
[2024-11-23 18:41:27,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:41:27,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:41:27,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:41:27,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:41:27,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,316 INFO L138 Inliner]: procedures = 171, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53
[2024-11-23 18:41:27,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:41:27,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:41:27,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:41:27,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:41:27,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,341 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:41:27,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:41:27,358 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:41:27,358 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:41:27,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (1/1) ...
[2024-11-23 18:41:27,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:41:27,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:41:27,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:41:27,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:41:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure thr2
[2024-11-23 18:41:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2
[2024-11-23 18:41:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2024-11-23 18:41:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2024-11-23 18:41:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:41:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 18:41:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:41:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:41:27,428 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 18:41:27,540 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:41:27,542 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:41:27,725 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 18:41:27,725 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:41:27,742 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:41:27,742 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 18:41:27,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:41:27 BoogieIcfgContainer
[2024-11-23 18:41:27,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:41:27,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:41:27,748 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:41:27,755 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:41:27,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:41:26" (1/3) ...
[2024-11-23 18:41:27,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db183bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:41:27, skipping insertion in model container
[2024-11-23 18:41:27,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:27" (2/3) ...
[2024-11-23 18:41:27,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db183bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:41:27, skipping insertion in model container
[2024-11-23 18:41:27,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:41:27" (3/3) ...
[2024-11-23 18:41:27,759 INFO L128 eAbstractionObserver]: Analyzing ICFG fkp2013-1.i
[2024-11-23 18:41:27,776 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:41:27,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fkp2013-1.i that has 3 procedures, 76 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-11-23 18:41:27,778 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 18:41:27,849 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 18:41:27,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 79 transitions, 166 flow
[2024-11-23 18:41:27,965 INFO L124 PetriNetUnfolderBase]: 4/89 cut-off events.
[2024-11-23 18:41:27,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:41:27,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 4/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 141 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 67. Up to 4 conditions per place.
[2024-11-23 18:41:27,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 79 transitions, 166 flow
[2024-11-23 18:41:27,982 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 78 transitions, 163 flow
[2024-11-23 18:41:27,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:41:28,020 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;@3416dfce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:41:28,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-11-23 18:41:28,031 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 18:41:28,033 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events.
[2024-11-23 18:41:28,033 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:41:28,033 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:28,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:28,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 18:41:28,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash -380619670, now seen corresponding path program 1 times
[2024-11-23 18:41:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208812498]
[2024-11-23 18:41:28,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:41:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:41:28,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:41:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208812498]
[2024-11-23 18:41:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208812498] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:41:28,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:41:28,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:41:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102793579]
[2024-11-23 18:41:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:41:28,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:41:28,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:41:28,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:41:28,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:41:28,360 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 79
[2024-11-23 18:41:28,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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)
[2024-11-23 18:41:28,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:41:28,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 79
[2024-11-23 18:41:28,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:41:28,434 INFO L124 PetriNetUnfolderBase]: 11/187 cut-off events.
[2024-11-23 18:41:28,434 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-23 18:41:28,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 187 events. 11/187 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 720 event pairs, 11 based on Foata normal form. 18/178 useless extension candidates. Maximal degree in co-relation 194. Up to 31 conditions per place.
[2024-11-23 18:41:28,438 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 9 selfloop transitions, 2 changer transitions 0/72 dead transitions.
[2024-11-23 18:41:28,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 72 transitions, 173 flow
[2024-11-23 18:41:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:41:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:41:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions.
[2024-11-23 18:41:28,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8607594936708861
[2024-11-23 18:41:28,454 INFO L175 Difference]: Start difference. First operand has 81 places, 78 transitions, 163 flow. Second operand 3 states and 204 transitions.
[2024-11-23 18:41:28,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 72 transitions, 173 flow
[2024-11-23 18:41:28,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 72 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:41:28,463 INFO L231 Difference]: Finished difference. Result has 79 places, 72 transitions, 154 flow
[2024-11-23 18:41:28,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=79, PETRI_TRANSITIONS=72}
[2024-11-23 18:41:28,470 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -2 predicate places.
[2024-11-23 18:41:28,470 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 72 transitions, 154 flow
[2024-11-23 18:41:28,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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)
[2024-11-23 18:41:28,471 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:28,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:28,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:41:28,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 18:41:28,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:28,472 INFO L85 PathProgramCache]: Analyzing trace with hash 959774408, now seen corresponding path program 1 times
[2024-11-23 18:41:28,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:28,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499190932]
[2024-11-23 18:41:28,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:28,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:41:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:41:28,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:41:28,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499190932]
[2024-11-23 18:41:28,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499190932] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:41:28,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:41:28,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:41:28,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805229180]
[2024-11-23 18:41:28,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:41:28,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:41:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:41:28,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:41:28,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:41:28,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 79
[2024-11-23 18:41:28,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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)
[2024-11-23 18:41:28,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:41:28,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 79
[2024-11-23 18:41:28,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:41:28,722 INFO L124 PetriNetUnfolderBase]: 7/165 cut-off events.
[2024-11-23 18:41:28,722 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-23 18:41:28,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 165 events. 7/165 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 622 event pairs, 3 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 179. Up to 19 conditions per place.
[2024-11-23 18:41:28,724 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 9 selfloop transitions, 4 changer transitions 0/75 dead transitions.
[2024-11-23 18:41:28,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 189 flow
[2024-11-23 18:41:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:41:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:41:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions.
[2024-11-23 18:41:28,727 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8860759493670886
[2024-11-23 18:41:28,727 INFO L175 Difference]: Start difference. First operand has 79 places, 72 transitions, 154 flow. Second operand 3 states and 210 transitions.
[2024-11-23 18:41:28,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 189 flow
[2024-11-23 18:41:28,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 185 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:41:28,733 INFO L231 Difference]: Finished difference. Result has 80 places, 74 transitions, 178 flow
[2024-11-23 18:41:28,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=80, PETRI_TRANSITIONS=74}
[2024-11-23 18:41:28,734 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -1 predicate places.
[2024-11-23 18:41:28,734 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 74 transitions, 178 flow
[2024-11-23 18:41:28,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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)
[2024-11-23 18:41:28,734 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:28,734 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:28,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:41:28,735 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 18:41:28,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1417076683, now seen corresponding path program 1 times
[2024-11-23 18:41:28,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:28,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292511616]
[2024-11-23 18:41:28,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:28,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:41:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:41:28,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:41:28,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292511616]
[2024-11-23 18:41:28,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292511616] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:41:28,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:41:28,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:41:28,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061346397]
[2024-11-23 18:41:28,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:41:28,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:41:28,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:41:28,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:41:28,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:41:28,902 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 79
[2024-11-23 18:41:28,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 74 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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)
[2024-11-23 18:41:28,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:41:28,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 79
[2024-11-23 18:41:28,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:41:28,968 INFO L124 PetriNetUnfolderBase]: 6/179 cut-off events.
[2024-11-23 18:41:28,970 INFO L125 PetriNetUnfolderBase]: For 23/25 co-relation queries the response was YES.
[2024-11-23 18:41:28,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 179 events. 6/179 cut-off events. For 23/25 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 656 event pairs, 2 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 218. Up to 23 conditions per place.
[2024-11-23 18:41:28,972 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 11 selfloop transitions, 4 changer transitions 0/77 dead transitions.
[2024-11-23 18:41:28,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 77 transitions, 218 flow
[2024-11-23 18:41:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:41:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:41:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions.
[2024-11-23 18:41:28,975 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8818565400843882
[2024-11-23 18:41:28,975 INFO L175 Difference]: Start difference. First operand has 80 places, 74 transitions, 178 flow. Second operand 3 states and 209 transitions.
[2024-11-23 18:41:28,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 77 transitions, 218 flow
[2024-11-23 18:41:28,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 77 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:41:28,981 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 202 flow
[2024-11-23 18:41:28,981 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=82, PETRI_TRANSITIONS=77}
[2024-11-23 18:41:28,982 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, 1 predicate places.
[2024-11-23 18:41:28,982 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 202 flow
[2024-11-23 18:41:28,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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)
[2024-11-23 18:41:28,982 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:28,983 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:28,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:41:28,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 18:41:28,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:28,984 INFO L85 PathProgramCache]: Analyzing trace with hash 814986790, now seen corresponding path program 1 times
[2024-11-23 18:41:28,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:28,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941816745]
[2024-11-23 18:41:28,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:28,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:41:29,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 18:41:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:41:29,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 18:41:29,057 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 18:41:29,058 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2024-11-23 18:41:29,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-11-23 18:41:29,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-11-23 18:41:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-11-23 18:41:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-11-23 18:41:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining)
[2024-11-23 18:41:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-11-23 18:41:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-11-23 18:41:29,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-11-23 18:41:29,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 18:41:29,067 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 18:41:29,070 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 18:41:29,070 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-23 18:41:29,123 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 18:41:29,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 114 transitions, 248 flow
[2024-11-23 18:41:29,146 INFO L124 PetriNetUnfolderBase]: 5/120 cut-off events.
[2024-11-23 18:41:29,146 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-23 18:41:29,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 120 events. 5/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 209 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 127. Up to 6 conditions per place.
[2024-11-23 18:41:29,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 114 transitions, 248 flow
[2024-11-23 18:41:29,149 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 93 transitions, 199 flow
[2024-11-23 18:41:29,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:41:29,151 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;@3416dfce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:41:29,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-11-23 18:41:29,155 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 18:41:29,156 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events.
[2024-11-23 18:41:29,156 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:41:29,156 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:29,156 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:29,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 18:41:29,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:29,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1012632406, now seen corresponding path program 1 times
[2024-11-23 18:41:29,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:29,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7881567]
[2024-11-23 18:41:29,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:29,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:41:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:41:29,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:41:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7881567]
[2024-11-23 18:41:29,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7881567] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:41:29,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:41:29,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:41:29,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993501995]
[2024-11-23 18:41:29,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:41:29,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:41:29,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:41:29,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:41:29,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:41:29,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 114
[2024-11-23 18:41:29,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 93 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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)
[2024-11-23 18:41:29,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:41:29,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 114
[2024-11-23 18:41:29,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:41:29,432 INFO L124 PetriNetUnfolderBase]: 65/495 cut-off events.
[2024-11-23 18:41:29,432 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES.
[2024-11-23 18:41:29,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 495 events. 65/495 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2971 event pairs, 65 based on Foata normal form. 56/469 useless extension candidates. Maximal degree in co-relation 610. Up to 121 conditions per place.
[2024-11-23 18:41:29,439 INFO L140 encePairwiseOnDemand]: 108/114 looper letters, 12 selfloop transitions, 2 changer transitions 0/87 dead transitions.
[2024-11-23 18:41:29,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 87 transitions, 215 flow
[2024-11-23 18:41:29,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:41:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:41:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions.
[2024-11-23 18:41:29,443 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947
[2024-11-23 18:41:29,443 INFO L175 Difference]: Start difference. First operand has 98 places, 93 transitions, 199 flow. Second operand 3 states and 288 transitions.
[2024-11-23 18:41:29,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 87 transitions, 215 flow
[2024-11-23 18:41:29,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 87 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:41:29,449 INFO L231 Difference]: Finished difference. Result has 96 places, 87 transitions, 190 flow
[2024-11-23 18:41:29,449 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=96, PETRI_TRANSITIONS=87}
[2024-11-23 18:41:29,450 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, -2 predicate places.
[2024-11-23 18:41:29,451 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 87 transitions, 190 flow
[2024-11-23 18:41:29,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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)
[2024-11-23 18:41:29,451 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:29,451 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:29,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 18:41:29,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 18:41:29,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:29,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1178949704, now seen corresponding path program 1 times
[2024-11-23 18:41:29,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:29,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896995822]
[2024-11-23 18:41:29,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:41:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:41:29,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:41:29,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896995822]
[2024-11-23 18:41:29,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896995822] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:41:29,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:41:29,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:41:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045720718]
[2024-11-23 18:41:29,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:41:29,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:41:29,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:41:29,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:41:29,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:41:29,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 114
[2024-11-23 18:41:29,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 87 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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)
[2024-11-23 18:41:29,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:41:29,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 114
[2024-11-23 18:41:29,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:41:29,698 INFO L124 PetriNetUnfolderBase]: 97/647 cut-off events.
[2024-11-23 18:41:29,698 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES.
[2024-11-23 18:41:29,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 647 events. 97/647 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4325 event pairs, 36 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 885. Up to 142 conditions per place.
[2024-11-23 18:41:29,704 INFO L140 encePairwiseOnDemand]: 103/114 looper letters, 17 selfloop transitions, 8 changer transitions 0/97 dead transitions.
[2024-11-23 18:41:29,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 97 transitions, 268 flow
[2024-11-23 18:41:29,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:41:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:41:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions.
[2024-11-23 18:41:29,708 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8538011695906432
[2024-11-23 18:41:29,708 INFO L175 Difference]: Start difference. First operand has 96 places, 87 transitions, 190 flow. Second operand 3 states and 292 transitions.
[2024-11-23 18:41:29,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 97 transitions, 268 flow
[2024-11-23 18:41:29,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 97 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:41:29,712 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 256 flow
[2024-11-23 18:41:29,712 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=98, PETRI_TRANSITIONS=95}
[2024-11-23 18:41:29,713 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 0 predicate places.
[2024-11-23 18:41:29,713 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 256 flow
[2024-11-23 18:41:29,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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)
[2024-11-23 18:41:29,713 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:29,713 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:29,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 18:41:29,714 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 18:41:29,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:29,714 INFO L85 PathProgramCache]: Analyzing trace with hash -345505184, now seen corresponding path program 1 times
[2024-11-23 18:41:29,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:29,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349448082]
[2024-11-23 18:41:29,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:41:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:41:29,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:41:29,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349448082]
[2024-11-23 18:41:29,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349448082] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:41:29,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:41:29,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:41:29,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690252773]
[2024-11-23 18:41:29,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:41:29,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:41:29,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:41:29,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:41:29,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:41:29,830 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 114
[2024-11-23 18:41:29,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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)
[2024-11-23 18:41:29,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:41:29,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 114
[2024-11-23 18:41:29,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:41:30,043 INFO L124 PetriNetUnfolderBase]: 198/1010 cut-off events.
[2024-11-23 18:41:30,043 INFO L125 PetriNetUnfolderBase]: For 387/395 co-relation queries the response was YES.
[2024-11-23 18:41:30,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1842 conditions, 1010 events. 198/1010 cut-off events. For 387/395 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 7685 event pairs, 63 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1809. Up to 256 conditions per place.
[2024-11-23 18:41:30,058 INFO L140 encePairwiseOnDemand]: 107/114 looper letters, 17 selfloop transitions, 10 changer transitions 0/104 dead transitions.
[2024-11-23 18:41:30,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 104 transitions, 351 flow
[2024-11-23 18:41:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:41:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:41:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions.
[2024-11-23 18:41:30,060 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8654970760233918
[2024-11-23 18:41:30,060 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 256 flow. Second operand 3 states and 296 transitions.
[2024-11-23 18:41:30,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 104 transitions, 351 flow
[2024-11-23 18:41:30,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 104 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:41:30,068 INFO L231 Difference]: Finished difference. Result has 100 places, 103 transitions, 326 flow
[2024-11-23 18:41:30,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=100, PETRI_TRANSITIONS=103}
[2024-11-23 18:41:30,070 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 2 predicate places.
[2024-11-23 18:41:30,071 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 103 transitions, 326 flow
[2024-11-23 18:41:30,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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)
[2024-11-23 18:41:30,071 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:41:30,071 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:41:30,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 18:41:30,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 18:41:30,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:41:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 485802029, now seen corresponding path program 1 times
[2024-11-23 18:41:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:41:30,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283460089]
[2024-11-23 18:41:30,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:41:30,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:41:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:41:30,101 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 18:41:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:41:30,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 18:41:30,127 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining)
[2024-11-23 18:41:30,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2024-11-23 18:41:30,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2024-11-23 18:41:30,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2024-11-23 18:41:30,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2024-11-23 18:41:30,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining)
[2024-11-23 18:41:30,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 18:41:30,128 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 18:41:30,210 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2024-11-23 18:41:30,210 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:41:30,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:41:30 BasicIcfg
[2024-11-23 18:41:30,220 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:41:30,221 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:41:30,221 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:41:30,221 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:41:30,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:41:27" (3/4) ...
[2024-11-23 18:41:30,223 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-23 18:41:30,304 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2.
[2024-11-23 18:41:30,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:41:30,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:41:30,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:41:30,359 INFO L158 Benchmark]: Toolchain (without parser) took 3674.23ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 97.9MB in the end (delta: 17.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB.
[2024-11-23 18:41:30,359 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.4MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:41:30,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.46ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 95.9MB in the end (delta: 19.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:41:30,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.77ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:41:30,361 INFO L158 Benchmark]: Boogie Preprocessor took 39.05ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.4MB in the end (delta: 954.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:41:30,362 INFO L158 Benchmark]: RCFGBuilder took 385.38ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 81.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:41:30,362 INFO L158 Benchmark]: TraceAbstraction took 2473.18ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 107.8MB in the end (delta: -27.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB.
[2024-11-23 18:41:30,362 INFO L158 Benchmark]: Witness Printer took 136.71ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 97.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:41:30,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.4MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 578.46ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 95.9MB in the end (delta: 19.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 52.77ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.05ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.4MB in the end (delta: 954.4kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 385.38ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 81.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2473.18ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 107.8MB in the end (delta: -27.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB.
* Witness Printer took 136.71ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 97.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 699]: Data race detected
Data race detected
The following path leads to a data race:
[L697] 0 volatile int x;
VAL [x=0]
[L709] 0 pthread_t t1, t2;
VAL [\old(argc)=52, \old(argv)={49:50}, argc=52, x=0]
[L710] 0 int i;
VAL [\old(argc)=52, \old(argv)={49:50}, argc=52, x=0]
[L711] 0 x = 0
VAL [\old(argc)=52, \old(argv)={49:50}, argc=52, x=0]
[L712] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0)
VAL [\old(argc)=52, \old(argv)={49:50}, argc=52, t1=-1, x=0]
[L713] 0 i = 0
VAL [\old(argc)=52, \old(argv)={49:50}, argc=52, i=0, t1=-1, x=0]
[L713] COND TRUE 0 i < 50
VAL [\old(argc)=52, \old(argv)={49:50}, argc=52, i=0, t1=-1, x=0]
[L714] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0)
VAL [\old(arg)={0:0}, \old(argc)=52, \old(argv)={49:50}, argc=52, i=0, t1=-1, t2=0, x=0]
[L699] 1 x < 50
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, x=0]
[L703] 2 int t;
VAL [\old(arg)={0:0}, arg={0:0}, x=0]
[L704] 2 t = x
VAL [\old(arg)={0:0}, arg={0:0}, t=0, x=0]
[L705] 2 x = t + 1
VAL [\old(arg)={0:0}, arg={0:0}, t=0, x=1]
[L699] 1 x < 50
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, t=0, x=1]
Now there is a data race on ~x~0 between
C: x = t + 1 [705]
and
C: x < 50 [699]
- UnprovableResult [Line: 704]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 705]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 711]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 712]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 714]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 111 locations, 9 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 20 mSDtfsCounter, 77 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=202occurred in iteration=3, 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, 0.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 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, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
CFG has 7 procedures, 144 locations, 12 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: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 8 mSDtfsCounter, 119 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=326occurred in iteration=3, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 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, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 18:41:30,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3e66321-0e06-4a00-867b-a56ca43b6586/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)