./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:44:27,507 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:44:27,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-12-02 13:44:27,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:44:27,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:44:27,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:44:27,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:44:27,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:44:27,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:44:27,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:44:27,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:44:27,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:44:27,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:44:27,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:44:27,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:44:27,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:44:27,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:44:27,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:44:27,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:44:27,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:44:27,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:44:27,609 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_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207
[2024-12-02 13:44:27,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:44:27,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:44:27,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:44:27,860 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:44:27,861 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:44:27,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i
[2024-12-02 13:44:30,538 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/data/6682d423c/5870c2d8e0eb4c18aae2afb2b4e8d787/FLAG3698baf28
[2024-12-02 13:44:30,775 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:44:30,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i
[2024-12-02 13:44:30,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/data/6682d423c/5870c2d8e0eb4c18aae2afb2b4e8d787/FLAG3698baf28
[2024-12-02 13:44:31,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/data/6682d423c/5870c2d8e0eb4c18aae2afb2b4e8d787
[2024-12-02 13:44:31,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:44:31,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:44:31,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:44:31,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:44:31,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:44:31,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16befcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31, skipping insertion in model container
[2024-12-02 13:44:31,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,166 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:44:31,481 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:44:31,490 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:44:31,535 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:44:31,576 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:44:31,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31 WrapperNode
[2024-12-02 13:44:31,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:44:31,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:44:31,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:44:31,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:44:31,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,631 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 279
[2024-12-02 13:44:31,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:44:31,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:44:31,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:44:31,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:44:31,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:44:31,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:44:31,665 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:44:31,665 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:44:31,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (1/1) ...
[2024-12-02 13:44:31,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:44:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:44:31,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:44:31,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure thr2
[2024-12-02 13:44:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2024-12-02 13:44:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-02 13:44:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:44:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:44:31,725 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 13:44:31,833 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:44:31,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:44:32,306 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 13:44:32,306 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:44:32,578 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:44:32,579 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 13:44:32,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:32 BoogieIcfgContainer
[2024-12-02 13:44:32,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:44:32,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:44:32,581 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:44:32,585 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:44:32,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:44:31" (1/3) ...
[2024-12-02 13:44:32,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2befaf84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:32, skipping insertion in model container
[2024-12-02 13:44:32,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:31" (2/3) ...
[2024-12-02 13:44:32,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2befaf84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:32, skipping insertion in model container
[2024-12-02 13:44:32,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:32" (3/3) ...
[2024-12-02 13:44:32,587 INFO L128 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i
[2024-12-02 13:44:32,600 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:44:32,602 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 34_double_lock_p2_vs.i that has 3 procedures, 96 locations, 1 initial locations, 2 loop locations, and 26 error locations.
[2024-12-02 13:44:32,602 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 13:44:32,670 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 13:44:32,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 103 transitions, 214 flow
[2024-12-02 13:44:32,773 INFO L124 PetriNetUnfolderBase]: 8/110 cut-off events.
[2024-12-02 13:44:32,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 13:44:32,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 110 events. 8/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 305 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 92. Up to 4 conditions per place.
[2024-12-02 13:44:32,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 103 transitions, 214 flow
[2024-12-02 13:44:32,786 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 102 transitions, 211 flow
[2024-12-02 13:44:32,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:44:32,807 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;@5bf7ef98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:44:32,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations.
[2024-12-02 13:44:32,816 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 13:44:32,816 INFO L124 PetriNetUnfolderBase]: 2/26 cut-off events.
[2024-12-02 13:44:32,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 13:44:32,816 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:44:32,817 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]
[2024-12-02 13:44:32,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-12-02 13:44:32,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:32,823 INFO L85 PathProgramCache]: Analyzing trace with hash -776585461, now seen corresponding path program 1 times
[2024-12-02 13:44:32,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:32,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476120138]
[2024-12-02 13:44:32,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476120138]
[2024-12-02 13:44:33,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476120138] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:33,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:33,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 13:44:33,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812091390]
[2024-12-02 13:44:33,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:33,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 13:44:33,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:33,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 13:44:33,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 13:44:33,287 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 103
[2024-12-02 13:44:33,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 102 transitions, 211 flow. Second operand has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:33,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:44:33,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 103
[2024-12-02 13:44:33,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:44:33,446 INFO L124 PetriNetUnfolderBase]: 54/200 cut-off events.
[2024-12-02 13:44:33,446 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-12-02 13:44:33,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 200 events. 54/200 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 780 event pairs, 35 based on Foata normal form. 55/227 useless extension candidates. Maximal degree in co-relation 281. Up to 95 conditions per place.
[2024-12-02 13:44:33,449 INFO L140 encePairwiseOnDemand]: 73/103 looper letters, 14 selfloop transitions, 0 changer transitions 0/65 dead transitions.
[2024-12-02 13:44:33,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 65 transitions, 165 flow
[2024-12-02 13:44:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 13:44:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 13:44:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 160 transitions.
[2024-12-02 13:44:33,464 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7766990291262136
[2024-12-02 13:44:33,465 INFO L175 Difference]: Start difference. First operand has 101 places, 102 transitions, 211 flow. Second operand 2 states and 160 transitions.
[2024-12-02 13:44:33,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 65 transitions, 165 flow
[2024-12-02 13:44:33,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 65 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 13:44:33,473 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 136 flow
[2024-12-02 13:44:33,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=136, PETRI_PLACES=68, PETRI_TRANSITIONS=65}
[2024-12-02 13:44:33,478 INFO L279 CegarLoopForPetriNet]: 101 programPoint places, -33 predicate places.
[2024-12-02 13:44:33,478 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 136 flow
[2024-12-02 13:44:33,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:33,478 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:44:33,479 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]
[2024-12-02 13:44:33,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:44:33,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-12-02 13:44:33,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:33,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1025711343, now seen corresponding path program 1 times
[2024-12-02 13:44:33,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:33,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669335880]
[2024-12-02 13:44:33,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:33,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:33,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:33,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669335880]
[2024-12-02 13:44:33,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669335880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:33,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:33,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:44:33,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141319093]
[2024-12-02 13:44:33,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:33,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:44:33,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:33,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:44:33,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:44:33,549 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 103
[2024-12-02 13:44:33,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:33,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:44:33,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 103
[2024-12-02 13:44:33,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:44:33,735 INFO L124 PetriNetUnfolderBase]: 146/415 cut-off events.
[2024-12-02 13:44:33,735 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES.
[2024-12-02 13:44:33,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 415 events. 146/415 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2158 event pairs, 13 based on Foata normal form. 0/376 useless extension candidates. Maximal degree in co-relation 718. Up to 148 conditions per place.
[2024-12-02 13:44:33,739 INFO L140 encePairwiseOnDemand]: 93/103 looper letters, 29 selfloop transitions, 8 changer transitions 0/82 dead transitions.
[2024-12-02 13:44:33,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 82 transitions, 247 flow
[2024-12-02 13:44:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:44:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:44:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions.
[2024-12-02 13:44:33,742 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6310679611650486
[2024-12-02 13:44:33,742 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 136 flow. Second operand 3 states and 195 transitions.
[2024-12-02 13:44:33,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 82 transitions, 247 flow
[2024-12-02 13:44:33,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 82 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 13:44:33,745 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 204 flow
[2024-12-02 13:44:33,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=72, PETRI_TRANSITIONS=73}
[2024-12-02 13:44:33,746 INFO L279 CegarLoopForPetriNet]: 101 programPoint places, -29 predicate places.
[2024-12-02 13:44:33,746 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 204 flow
[2024-12-02 13:44:33,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:33,746 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:44:33,747 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:44:33,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:44:33,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-12-02 13:44:33,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:33,747 INFO L85 PathProgramCache]: Analyzing trace with hash 544185466, now seen corresponding path program 1 times
[2024-12-02 13:44:33,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:33,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369442547]
[2024-12-02 13:44:33,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:33,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:44:33,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:44:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:44:33,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 13:44:33,789 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:44:33,790 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining)
[2024-12-02 13:44:33,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining)
[2024-12-02 13:44:33,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining)
[2024-12-02 13:44:33,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining)
[2024-12-02 13:44:33,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining)
[2024-12-02 13:44:33,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining)
[2024-12-02 13:44:33,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining)
[2024-12-02 13:44:33,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining)
[2024-12-02 13:44:33,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining)
[2024-12-02 13:44:33,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining)
[2024-12-02 13:44:33,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining)
[2024-12-02 13:44:33,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining)
[2024-12-02 13:44:33,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining)
[2024-12-02 13:44:33,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining)
[2024-12-02 13:44:33,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining)
[2024-12-02 13:44:33,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining)
[2024-12-02 13:44:33,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:44:33,798 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 13:44:33,801 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 13:44:33,801 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-12-02 13:44:33,891 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 13:44:33,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 173 transitions, 366 flow
[2024-12-02 13:44:33,922 INFO L124 PetriNetUnfolderBase]: 10/156 cut-off events.
[2024-12-02 13:44:33,922 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-12-02 13:44:33,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 156 events. 10/156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 509 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 163. Up to 6 conditions per place.
[2024-12-02 13:44:33,924 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 173 transitions, 366 flow
[2024-12-02 13:44:33,926 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 138 transitions, 289 flow
[2024-12-02 13:44:33,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:44:33,928 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;@5bf7ef98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:44:33,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations.
[2024-12-02 13:44:33,932 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 13:44:33,932 INFO L124 PetriNetUnfolderBase]: 1/24 cut-off events.
[2024-12-02 13:44:33,932 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 13:44:33,932 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:44:33,932 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]
[2024-12-02 13:44:33,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] ===
[2024-12-02 13:44:33,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:33,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1390828624, now seen corresponding path program 1 times
[2024-12-02 13:44:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:33,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539585427]
[2024-12-02 13:44:33,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:34,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:34,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539585427]
[2024-12-02 13:44:34,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539585427] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:34,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:34,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 13:44:34,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064895953]
[2024-12-02 13:44:34,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:34,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 13:44:34,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:34,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 13:44:34,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 13:44:34,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 173
[2024-12-02 13:44:34,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 138 transitions, 289 flow. Second operand has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:34,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:44:34,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 173
[2024-12-02 13:44:34,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:44:34,628 INFO L124 PetriNetUnfolderBase]: 882/1658 cut-off events.
[2024-12-02 13:44:34,628 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES.
[2024-12-02 13:44:34,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3072 conditions, 1658 events. 882/1658 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10431 event pairs, 719 based on Foata normal form. 609/2215 useless extension candidates. Maximal degree in co-relation 3044. Up to 1265 conditions per place.
[2024-12-02 13:44:34,650 INFO L140 encePairwiseOnDemand]: 127/173 looper letters, 23 selfloop transitions, 0 changer transitions 0/85 dead transitions.
[2024-12-02 13:44:34,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 85 transitions, 229 flow
[2024-12-02 13:44:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 13:44:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 13:44:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 239 transitions.
[2024-12-02 13:44:34,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6907514450867052
[2024-12-02 13:44:34,652 INFO L175 Difference]: Start difference. First operand has 138 places, 138 transitions, 289 flow. Second operand 2 states and 239 transitions.
[2024-12-02 13:44:34,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 85 transitions, 229 flow
[2024-12-02 13:44:34,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 85 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 13:44:34,656 INFO L231 Difference]: Finished difference. Result has 89 places, 85 transitions, 182 flow
[2024-12-02 13:44:34,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=85}
[2024-12-02 13:44:34,657 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -49 predicate places.
[2024-12-02 13:44:34,657 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 85 transitions, 182 flow
[2024-12-02 13:44:34,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:34,657 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:44:34,657 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]
[2024-12-02 13:44:34,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 13:44:34,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] ===
[2024-12-02 13:44:34,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash 851515124, now seen corresponding path program 1 times
[2024-12-02 13:44:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:34,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555956954]
[2024-12-02 13:44:34,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:44:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:44:34,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:44:34,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555956954]
[2024-12-02 13:44:34,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555956954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:44:34,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:44:34,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:44:34,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046015218]
[2024-12-02 13:44:34,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:44:34,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:44:34,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:44:34,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:44:34,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:44:34,723 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 173
[2024-12-02 13:44:34,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 85 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:34,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:44:34,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 173
[2024-12-02 13:44:34,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:44:35,548 INFO L124 PetriNetUnfolderBase]: 3002/5674 cut-off events.
[2024-12-02 13:44:35,548 INFO L125 PetriNetUnfolderBase]: For 458/458 co-relation queries the response was YES.
[2024-12-02 13:44:35,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10536 conditions, 5674 events. 3002/5674 cut-off events. For 458/458 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 44776 event pairs, 910 based on Foata normal form. 0/5188 useless extension candidates. Maximal degree in co-relation 10531. Up to 2663 conditions per place.
[2024-12-02 13:44:35,606 INFO L140 encePairwiseOnDemand]: 159/173 looper letters, 43 selfloop transitions, 12 changer transitions 0/111 dead transitions.
[2024-12-02 13:44:35,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 111 transitions, 352 flow
[2024-12-02 13:44:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:44:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:44:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions.
[2024-12-02 13:44:35,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5317919075144508
[2024-12-02 13:44:35,608 INFO L175 Difference]: Start difference. First operand has 89 places, 85 transitions, 182 flow. Second operand 3 states and 276 transitions.
[2024-12-02 13:44:35,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 111 transitions, 352 flow
[2024-12-02 13:44:35,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 111 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 13:44:35,611 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 282 flow
[2024-12-02 13:44:35,611 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=93, PETRI_TRANSITIONS=97}
[2024-12-02 13:44:35,612 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -45 predicate places.
[2024-12-02 13:44:35,612 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 282 flow
[2024-12-02 13:44:35,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:44:35,613 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:44:35,613 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]
[2024-12-02 13:44:35,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:44:35,613 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] ===
[2024-12-02 13:44:35,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:44:35,614 INFO L85 PathProgramCache]: Analyzing trace with hash 623995862, now seen corresponding path program 1 times
[2024-12-02 13:44:35,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:44:35,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383046881]
[2024-12-02 13:44:35,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:44:35,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:44:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:44:35,636 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:44:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:44:35,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 13:44:35,657 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:44:35,657 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining)
[2024-12-02 13:44:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining)
[2024-12-02 13:44:35,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining)
[2024-12-02 13:44:35,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining)
[2024-12-02 13:44:35,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining)
[2024-12-02 13:44:35,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining)
[2024-12-02 13:44:35,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining)
[2024-12-02 13:44:35,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining)
[2024-12-02 13:44:35,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining)
[2024-12-02 13:44:35,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining)
[2024-12-02 13:44:35,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining)
[2024-12-02 13:44:35,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining)
[2024-12-02 13:44:35,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining)
[2024-12-02 13:44:35,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:44:35,664 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 13:44:35,711 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2024-12-02 13:44:35,711 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:44:35,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:44:35 BasicIcfg
[2024-12-02 13:44:35,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:44:35,718 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:44:35,718 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:44:35,719 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:44:35,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:32" (3/4) ...
[2024-12-02 13:44:35,720 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 13:44:35,773 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 15.
[2024-12-02 13:44:35,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:44:35,823 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:44:35,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:44:35,823 INFO L158 Benchmark]: Toolchain (without parser) took 4694.98ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 114.9MB in the beginning and 121.7MB in the end (delta: -6.8MB). Peak memory consumption was 168.5MB. Max. memory is 16.1GB.
[2024-12-02 13:44:35,824 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:44:35,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.30ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 94.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:44:35,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.43ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:44:35,824 INFO L158 Benchmark]: Boogie Preprocessor took 32.09ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 88.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:44:35,825 INFO L158 Benchmark]: RCFGBuilder took 914.71ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 62.8MB in the end (delta: 25.7MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
[2024-12-02 13:44:35,825 INFO L158 Benchmark]: TraceAbstraction took 3136.74ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 62.2MB in the beginning and 133.1MB in the end (delta: -70.9MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB.
[2024-12-02 13:44:35,825 INFO L158 Benchmark]: Witness Printer took 104.41ms. Allocated memory is still 318.8MB. Free memory was 133.1MB in the beginning and 121.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:44:35,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 447.30ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 94.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 53.43ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.09ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 88.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 914.71ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 62.8MB in the end (delta: 25.7MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3136.74ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 62.2MB in the beginning and 133.1MB in the end (delta: -70.9MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB.
* Witness Printer took 104.41ms. Allocated memory is still 318.8MB. Free memory was 133.1MB in the beginning and 121.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 729]: Data race detected
Data race detected
The following path leads to a data race:
[L689] 0 int count = 0;
VAL [count=0]
[L708] 0 int mutexa = 0;
VAL [count=0, mutexa={3:0}]
[L709] 0 int mutexb = 0;
VAL [count=0, mutexa={3:0}, mutexb={4:0}]
[L747] 0 pthread_t t;
VAL [count=0, mutexa={3:0}, mutexb={4:0}]
[L748] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0)
VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1]
[L728] CALL 1 __VERIFIER_atomic_acquire(&mutexa)
[L692] EXPR 1 \read(*m)
[L692] EXPR 1 *m==0
[L692] CALL 1 assume_abort_if_not(*m==0)
[L4] COND FALSE 1 !(!cond)
[L692] RET 1 assume_abort_if_not(*m==0)
[L693] 1 *m = 1
[L728] RET 1 __VERIFIER_atomic_acquire(&mutexa)
[L729] 1 count >= -1
VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}]
[L751] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0)
VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=0]
[L739] COND FALSE 2 !(__VERIFIER_nondet_int())
VAL [count=0, mutexa={3:0}, mutexb={4:0}]
[L742] CALL 2 my_thread2()
[L719] CALL 2 __VERIFIER_atomic_acquire(&mutexb)
[L692] EXPR 2 \read(*m)
[L692] EXPR 2 *m==0
[L692] CALL 2 assume_abort_if_not(*m==0)
[L4] COND FALSE 2 !(!cond)
[L692] RET 2 assume_abort_if_not(*m==0)
[L693] 2 *m = 1
[L719] RET 2 __VERIFIER_atomic_acquire(&mutexb)
[L720] CALL 2 __VERIFIER_atomic_dec()
[L706] 2 count--
[L720] RET 2 __VERIFIER_atomic_dec()
[L729] 1 count >= -1
VAL [\old(arg)={0:0}, arg={0:0}, count=-1, mutexa={3:0}, mutexb={4:0}]
Now there is a data race on ~count~0 between
C: count-- [706]
and
C: count >= -1 [729]
- UnprovableResult [Line: 692]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 693]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 692]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 693]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 702]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 702]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 706]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 706]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 706]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 706]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 702]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 702]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 697]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 698]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 697]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 698]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 692]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 693]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 697]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 698]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 692]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 693]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 732]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 697]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 698]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 751]: 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: 748]: 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, 162 locations, 54 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 3 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, 226 locations, 80 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 6 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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!
[2024-12-02 13:44:35,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929c3b5e-9aeb-4fa6-a5dd-11a2e2a4ecef/bin/uautomizer-verify-84ZbGMXZE1/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)