./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.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_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/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_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/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_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:11:25,859 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:11:25,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-12-02 13:11:25,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:11:25,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:11:25,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:11:25,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:11:25,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:11:25,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:11:25,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:11:25,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:11:25,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:11:25,944 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:11:25,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:11:25,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:11:25,944 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:11:25,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:11:25,945 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:11:25,946 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:11:25,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:11:25,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:11:25,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:11:25,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:11:25,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:11:25,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:11:25,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:11:25,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:11:25,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:11:25,947 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_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/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 -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11
[2024-12-02 13:11:26,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:11:26,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:11:26,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:11:26,177 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:11:26,177 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:11:26,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i
[2024-12-02 13:11:28,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/data/e048448a7/8f9c6354a3694fa9b503b11eb2e01b3a/FLAG7b302e2b9
[2024-12-02 13:11:29,102 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:11:29,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i
[2024-12-02 13:11:29,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/data/e048448a7/8f9c6354a3694fa9b503b11eb2e01b3a/FLAG7b302e2b9
[2024-12-02 13:11:29,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/data/e048448a7/8f9c6354a3694fa9b503b11eb2e01b3a
[2024-12-02 13:11:29,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:11:29,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:11:29,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:11:29,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:11:29,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:11:29,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:29" (1/1) ...
[2024-12-02 13:11:29,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653bd919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:29, skipping insertion in model container
[2024-12-02 13:11:29,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:29" (1/1) ...
[2024-12-02 13:11:29,189 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:11:29,878 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:11:29,891 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:11:29,963 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:11:30,071 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:11:30,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30 WrapperNode
[2024-12-02 13:11:30,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:11:30,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:11:30,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:11:30,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:11:30,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,121 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113
[2024-12-02 13:11:30,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:11:30,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:11:30,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:11:30,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:11:30,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:11:30,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:11:30,163 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:11:30,163 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:11:30,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (1/1) ...
[2024-12-02 13:11:30,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:11:30,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:11:30,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:11:30,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:11:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread
[2024-12-02 13:11:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread
[2024-12-02 13:11:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread
[2024-12-02 13:11:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:11:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-12-02 13:11:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-02 13:11:30,231 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 13:11:30,475 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:11:30,477 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:11:30,800 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 13:11:30,800 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:11:30,822 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:11:30,822 INFO L312 CfgBuilder]: Removed 11 assume(true) statements.
[2024-12-02 13:11:30,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:30 BoogieIcfgContainer
[2024-12-02 13:11:30,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:11:30,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:11:30,825 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:11:30,830 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:11:30,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:11:29" (1/3) ...
[2024-12-02 13:11:30,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136fcd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:30, skipping insertion in model container
[2024-12-02 13:11:30,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:30" (2/3) ...
[2024-12-02 13:11:30,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136fcd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:30, skipping insertion in model container
[2024-12-02 13:11:30,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:30" (3/3) ...
[2024-12-02 13:11:30,833 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i
[2024-12-02 13:11:30,844 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:11:30,845 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_35-trylock_rc.i that has 3 procedures, 236 locations, 1 initial locations, 11 loop locations, and 16 error locations.
[2024-12-02 13:11:30,845 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 13:11:30,931 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-12-02 13:11:30,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 242 places, 274 transitions, 562 flow
[2024-12-02 13:11:31,062 INFO L124 PetriNetUnfolderBase]: 39/272 cut-off events.
[2024-12-02 13:11:31,064 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-12-02 13:11:31,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 272 events. 39/272 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 886 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 198. Up to 5 conditions per place.
[2024-12-02 13:11:31,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 274 transitions, 562 flow
[2024-12-02 13:11:31,079 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 264 transitions, 540 flow
[2024-12-02 13:11:31,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:11:31,100 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;@78b1c8e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:11:31,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations.
[2024-12-02 13:11:31,107 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 13:11:31,107 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events.
[2024-12-02 13:11:31,107 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 13:11:31,108 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:31,108 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 13:11:31,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:31,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:31,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1292157376, now seen corresponding path program 1 times
[2024-12-02 13:11:31,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:31,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525719585]
[2024-12-02 13:11:31,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:11:31,408 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 13:11:31,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:11:31,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525719585]
[2024-12-02 13:11:31,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525719585] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:11:31,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:11:31,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:11:31,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701944875]
[2024-12-02 13:11:31,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:11:31,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:11:31,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:11:31,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:11:31,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:11:31,470 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 274
[2024-12-02 13:11:31,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 264 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 13:11:31,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:11:31,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 274
[2024-12-02 13:11:31,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:11:31,617 INFO L124 PetriNetUnfolderBase]: 46/541 cut-off events.
[2024-12-02 13:11:31,617 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES.
[2024-12-02 13:11:31,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 541 events. 46/541 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2947 event pairs, 15 based on Foata normal form. 99/551 useless extension candidates. Maximal degree in co-relation 472. Up to 48 conditions per place.
[2024-12-02 13:11:31,624 INFO L140 encePairwiseOnDemand]: 253/274 looper letters, 13 selfloop transitions, 2 changer transitions 9/230 dead transitions.
[2024-12-02 13:11:31,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 230 transitions, 502 flow
[2024-12-02 13:11:31,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:11:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:11:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 724 transitions.
[2024-12-02 13:11:31,640 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8807785888077859
[2024-12-02 13:11:31,641 INFO L175 Difference]: Start difference. First operand has 234 places, 264 transitions, 540 flow. Second operand 3 states and 724 transitions.
[2024-12-02 13:11:31,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 230 transitions, 502 flow
[2024-12-02 13:11:31,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 230 transitions, 494 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-12-02 13:11:31,653 INFO L231 Difference]: Finished difference. Result has 223 places, 221 transitions, 450 flow
[2024-12-02 13:11:31,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=223, PETRI_TRANSITIONS=221}
[2024-12-02 13:11:31,659 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -11 predicate places.
[2024-12-02 13:11:31,659 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 221 transitions, 450 flow
[2024-12-02 13:11:31,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 13:11:31,660 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:31,660 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 13:11:31,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:11:31,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:31,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:31,662 INFO L85 PathProgramCache]: Analyzing trace with hash -237458151, now seen corresponding path program 1 times
[2024-12-02 13:11:31,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:31,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917792390]
[2024-12-02 13:11:31,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:31,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:11:31,761 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 13:11:31,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:11:31,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917792390]
[2024-12-02 13:11:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917792390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:11:31,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:11:31,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:11:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145303251]
[2024-12-02 13:11:31,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:11:31,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:11:31,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:11:31,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:11:31,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:11:31,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 274
[2024-12-02 13:11:31,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 13:11:31,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:11:31,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 274
[2024-12-02 13:11:31,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:11:31,909 INFO L124 PetriNetUnfolderBase]: 67/705 cut-off events.
[2024-12-02 13:11:31,909 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-12-02 13:11:31,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 705 events. 67/705 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4494 event pairs, 16 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 757. Up to 70 conditions per place.
[2024-12-02 13:11:31,915 INFO L140 encePairwiseOnDemand]: 270/274 looper letters, 14 selfloop transitions, 2 changer transitions 0/222 dead transitions.
[2024-12-02 13:11:31,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 222 transitions, 485 flow
[2024-12-02 13:11:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:11:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:11:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions.
[2024-12-02 13:11:31,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8686131386861314
[2024-12-02 13:11:31,918 INFO L175 Difference]: Start difference. First operand has 223 places, 221 transitions, 450 flow. Second operand 3 states and 714 transitions.
[2024-12-02 13:11:31,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 222 transitions, 485 flow
[2024-12-02 13:11:31,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 222 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 13:11:31,924 INFO L231 Difference]: Finished difference. Result has 214 places, 221 transitions, 456 flow
[2024-12-02 13:11:31,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=214, PETRI_TRANSITIONS=221}
[2024-12-02 13:11:31,925 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -20 predicate places.
[2024-12-02 13:11:31,926 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 221 transitions, 456 flow
[2024-12-02 13:11:31,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 13:11:31,926 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:31,926 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 13:11:31,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:11:31,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:31,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:31,927 INFO L85 PathProgramCache]: Analyzing trace with hash -897419511, now seen corresponding path program 1 times
[2024-12-02 13:11:31,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:31,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214059653]
[2024-12-02 13:11:31,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:31,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:11:32,011 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 13:11:32,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:11:32,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214059653]
[2024-12-02 13:11:32,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214059653] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:11:32,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:11:32,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:11:32,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721391265]
[2024-12-02 13:11:32,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:11:32,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:11:32,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:11:32,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:11:32,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:11:32,058 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 274
[2024-12-02 13:11:32,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 221 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 13:11:32,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:11:32,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 274
[2024-12-02 13:11:32,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:11:32,405 INFO L124 PetriNetUnfolderBase]: 429/2235 cut-off events.
[2024-12-02 13:11:32,406 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES.
[2024-12-02 13:11:32,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2749 conditions, 2235 events. 429/2235 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 19581 event pairs, 163 based on Foata normal form. 2/1918 useless extension candidates. Maximal degree in co-relation 2475. Up to 449 conditions per place.
[2024-12-02 13:11:32,422 INFO L140 encePairwiseOnDemand]: 258/274 looper letters, 26 selfloop transitions, 7 changer transitions 6/226 dead transitions.
[2024-12-02 13:11:32,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 226 transitions, 540 flow
[2024-12-02 13:11:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:11:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:11:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions.
[2024-12-02 13:11:32,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8381995133819952
[2024-12-02 13:11:32,425 INFO L175 Difference]: Start difference. First operand has 214 places, 221 transitions, 456 flow. Second operand 3 states and 689 transitions.
[2024-12-02 13:11:32,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 226 transitions, 540 flow
[2024-12-02 13:11:32,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 226 transitions, 540 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 13:11:32,431 INFO L231 Difference]: Finished difference. Result has 209 places, 214 transitions, 474 flow
[2024-12-02 13:11:32,431 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=209, PETRI_TRANSITIONS=214}
[2024-12-02 13:11:32,432 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -25 predicate places.
[2024-12-02 13:11:32,432 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 214 transitions, 474 flow
[2024-12-02 13:11:32,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 13:11:32,432 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:32,432 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:11:32,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:11:32,433 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:32,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:32,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1445899482, now seen corresponding path program 1 times
[2024-12-02 13:11:32,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:32,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564788816]
[2024-12-02 13:11:32,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:11:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:11:32,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:11:32,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564788816]
[2024-12-02 13:11:32,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564788816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:11:32,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:11:32,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:11:32,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521421642]
[2024-12-02 13:11:32,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:11:32,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:11:32,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:11:32,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:11:32,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:11:32,571 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 274
[2024-12-02 13:11:32,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 214 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 13:11:32,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:11:32,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 274
[2024-12-02 13:11:32,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:11:32,961 INFO L124 PetriNetUnfolderBase]: 281/2044 cut-off events.
[2024-12-02 13:11:32,961 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-12-02 13:11:32,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2518 conditions, 2044 events. 281/2044 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 16585 event pairs, 31 based on Foata normal form. 0/1795 useless extension candidates. Maximal degree in co-relation 2317. Up to 162 conditions per place.
[2024-12-02 13:11:32,983 INFO L140 encePairwiseOnDemand]: 263/274 looper letters, 24 selfloop transitions, 8 changer transitions 0/228 dead transitions.
[2024-12-02 13:11:32,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 228 transitions, 568 flow
[2024-12-02 13:11:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:11:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:11:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions.
[2024-12-02 13:11:32,986 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8746958637469586
[2024-12-02 13:11:32,986 INFO L175 Difference]: Start difference. First operand has 209 places, 214 transitions, 474 flow. Second operand 3 states and 719 transitions.
[2024-12-02 13:11:32,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 228 transitions, 568 flow
[2024-12-02 13:11:32,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 228 transitions, 568 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 13:11:32,993 INFO L231 Difference]: Finished difference. Result has 208 places, 222 transitions, 544 flow
[2024-12-02 13:11:32,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=208, PETRI_TRANSITIONS=222}
[2024-12-02 13:11:32,994 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -26 predicate places.
[2024-12-02 13:11:32,994 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 222 transitions, 544 flow
[2024-12-02 13:11:32,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 13:11:32,995 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:32,995 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:11:32,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 13:11:32,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:32,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:32,996 INFO L85 PathProgramCache]: Analyzing trace with hash -442765712, now seen corresponding path program 1 times
[2024-12-02 13:11:32,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:32,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285880821]
[2024-12-02 13:11:32,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:32,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:11:33,097 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 13:11:33,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:11:33,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285880821]
[2024-12-02 13:11:33,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285880821] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:11:33,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:11:33,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:11:33,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112435347]
[2024-12-02 13:11:33,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:11:33,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:11:33,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:11:33,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:11:33,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:11:33,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 274
[2024-12-02 13:11:33,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 222 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 13:11:33,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:11:33,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 274
[2024-12-02 13:11:33,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:11:33,644 INFO L124 PetriNetUnfolderBase]: 481/3327 cut-off events.
[2024-12-02 13:11:33,644 INFO L125 PetriNetUnfolderBase]: For 302/318 co-relation queries the response was YES.
[2024-12-02 13:11:33,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4335 conditions, 3327 events. 481/3327 cut-off events. For 302/318 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 30764 event pairs, 57 based on Foata normal form. 7/2927 useless extension candidates. Maximal degree in co-relation 4124. Up to 280 conditions per place.
[2024-12-02 13:11:33,674 INFO L140 encePairwiseOnDemand]: 267/274 looper letters, 23 selfloop transitions, 11 changer transitions 0/236 dead transitions.
[2024-12-02 13:11:33,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 236 transitions, 664 flow
[2024-12-02 13:11:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:11:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:11:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions.
[2024-12-02 13:11:33,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8759124087591241
[2024-12-02 13:11:33,676 INFO L175 Difference]: Start difference. First operand has 208 places, 222 transitions, 544 flow. Second operand 3 states and 720 transitions.
[2024-12-02 13:11:33,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 236 transitions, 664 flow
[2024-12-02 13:11:33,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 236 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 13:11:33,682 INFO L231 Difference]: Finished difference. Result has 210 places, 230 transitions, 620 flow
[2024-12-02 13:11:33,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=210, PETRI_TRANSITIONS=230}
[2024-12-02 13:11:33,683 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -24 predicate places.
[2024-12-02 13:11:33,683 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 230 transitions, 620 flow
[2024-12-02 13:11:33,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 13:11:33,683 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:33,683 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:11:33,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:11:33,684 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:33,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:33,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1657336632, now seen corresponding path program 1 times
[2024-12-02 13:11:33,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:33,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704177079]
[2024-12-02 13:11:33,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:33,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:11:33,763 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 13:11:33,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:11:33,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704177079]
[2024-12-02 13:11:33,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704177079] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:11:33,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:11:33,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:11:33,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246868697]
[2024-12-02 13:11:33,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:11:33,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:11:33,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:11:33,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:11:33,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:11:33,792 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 274
[2024-12-02 13:11:33,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 230 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 13:11:33,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 13:11:33,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 274
[2024-12-02 13:11:33,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 13:11:34,354 INFO L124 PetriNetUnfolderBase]: 606/4064 cut-off events.
[2024-12-02 13:11:34,355 INFO L125 PetriNetUnfolderBase]: For 828/848 co-relation queries the response was YES.
[2024-12-02 13:11:34,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5522 conditions, 4064 events. 606/4064 cut-off events. For 828/848 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 39361 event pairs, 78 based on Foata normal form. 3/3558 useless extension candidates. Maximal degree in co-relation 5252. Up to 339 conditions per place.
[2024-12-02 13:11:34,395 INFO L140 encePairwiseOnDemand]: 267/274 looper letters, 27 selfloop transitions, 14 changer transitions 0/244 dead transitions.
[2024-12-02 13:11:34,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 244 transitions, 775 flow
[2024-12-02 13:11:34,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:11:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 13:11:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions.
[2024-12-02 13:11:34,397 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8734793187347932
[2024-12-02 13:11:34,398 INFO L175 Difference]: Start difference. First operand has 210 places, 230 transitions, 620 flow. Second operand 3 states and 718 transitions.
[2024-12-02 13:11:34,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 244 transitions, 775 flow
[2024-12-02 13:11:34,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 244 transitions, 745 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 13:11:34,405 INFO L231 Difference]: Finished difference. Result has 212 places, 240 transitions, 732 flow
[2024-12-02 13:11:34,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=212, PETRI_TRANSITIONS=240}
[2024-12-02 13:11:34,406 INFO L279 CegarLoopForPetriNet]: 234 programPoint places, -22 predicate places.
[2024-12-02 13:11:34,406 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 240 transitions, 732 flow
[2024-12-02 13:11:34,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 13:11:34,406 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 13:11:34,407 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:34,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:11:34,407 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-12-02 13:11:34,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:11:34,408 INFO L85 PathProgramCache]: Analyzing trace with hash -476326318, now seen corresponding path program 1 times
[2024-12-02 13:11:34,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:11:34,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663421901]
[2024-12-02 13:11:34,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:11:34,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:11:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:11:34,441 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:11:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:11:34,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 13:11:34,496 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:11:34,497 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining)
[2024-12-02 13:11:34,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining)
[2024-12-02 13:11:34,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining)
[2024-12-02 13:11:34,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining)
[2024-12-02 13:11:34,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 13:11:34,502 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:11:34,570 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 13:11:34,570 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:11:34,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:11:34 BasicIcfg
[2024-12-02 13:11:34,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:11:34,577 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:11:34,578 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:11:34,578 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:11:34,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:30" (3/4) ...
[2024-12-02 13:11:34,580 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 13:11:34,657 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7.
[2024-12-02 13:11:34,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:11:34,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:11:34,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:11:34,714 INFO L158 Benchmark]: Toolchain (without parser) took 5571.23ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 113.4MB in the beginning and 166.5MB in the end (delta: -53.1MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB.
[2024-12-02 13:11:34,714 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:11:34,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.16ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 55.2MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-12-02 13:11:34,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.41ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 111.6MB in the end (delta: -56.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB.
[2024-12-02 13:11:34,715 INFO L158 Benchmark]: Boogie Preprocessor took 40.94ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 108.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:11:34,716 INFO L158 Benchmark]: RCFGBuilder took 659.75ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 80.4MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 13:11:34,716 INFO L158 Benchmark]: TraceAbstraction took 3752.06ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 79.8MB in the beginning and 183.3MB in the end (delta: -103.5MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB.
[2024-12-02 13:11:34,717 INFO L158 Benchmark]: Witness Printer took 135.74ms. Allocated memory is still 352.3MB. Free memory was 183.3MB in the beginning and 166.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:11:34,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 928.16ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 55.2MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.41ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 111.6MB in the end (delta: -56.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.94ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 108.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 659.75ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 80.4MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 3752.06ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 79.8MB in the beginning and 183.3MB in the end (delta: -103.5MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB.
* Witness Printer took 135.74ms. Allocated memory is still 352.3MB. Free memory was 183.3MB in the beginning and 166.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 1830]: Data race detected
Data race detected
The following path leads to a data race:
[L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex={1:0}]
[L1798] 0 long counter;
VAL [counter=0, mutex={1:0}]
[L1799] 0 time_t end_time;
VAL [counter=0, end_time=0, mutex={1:0}]
[L1836] 0 int status;
VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=0, mutex={1:0}]
[L1837] 0 pthread_t counter_thread_id;
VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=0, mutex={1:0}]
[L1838] 0 pthread_t monitor_thread_id;
VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=0, mutex={1:0}]
[L1839] 0 end_time = time (((void *)0)) + 60
VAL [\old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, end_time=60, mutex={1:0}]
[L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))
VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}]
[L1801] 1 int status;
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}]
[L1802] 1 int spin;
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}]
[L1803] 1 time (((void *)0)) < end_time
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}]
[L1803] COND TRUE 1 time (((void *)0)) < end_time
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}]
[L1804] 1 status = pthread_mutex_lock (&mutex)
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, status=0]
[L1805] COND FALSE 1 !(status != 0)
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, status=0]
[L1807] 1 spin = 0
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0]
[L1807] COND TRUE 1 spin < 10000000
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0]
[L1808] 1 counter++
VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0]
[L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))
VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}, spin=0, status=0, status=0]
[L1841] COND FALSE 0 !(status != 0)
VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}, spin=0, status=0, status=0]
[L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0))
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1150, \old(argv)={1153:1151}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, monitor_thread_id=0, mutex={1:0}, spin=0, status=0, status=0]
[L1817] 2 int status;
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0]
[L1818] 2 int misses = 0;
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0]
[L1819] 2 time (((void *)0)) < end_time
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0]
[L1819] COND TRUE 2 time (((void *)0)) < end_time
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0]
[L1821] 2 status = pthread_mutex_trylock (&mutex)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16]
[L1822] COND FALSE 2 !(status != 16)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16]
[L1830] 2 counter++
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16]
[L1808] 1 counter++
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16]
[L1830] 2 counter++
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16]
Now there is a data race on ~counter~0 between
C: counter++ [1808]
and
C: counter++ [1830]
- UnprovableResult [Line: 1819]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1824]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1825]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1830]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1828]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1803]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1806]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1808]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1811]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1808]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1839]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1842]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1845]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1848]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1851]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1843]: 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: 1840]: 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, 367 locations, 29 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: 3.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 32 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=732occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 13:11:34,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe5128a-5b98-43dc-91a3-f497dbe85cc4/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)