./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_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_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB --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 f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:35:41,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:35:41,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:35:41,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:35:41,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:35:41,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:35:41,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:35:41,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:35:41,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:35:41,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:35:41,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:35:41,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:35:41,379 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:35:41,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:35:41,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:35:41,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:35:41,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:35:41,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:35:41,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:35:41,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:35:41,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:35:41,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:35:41,382 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:35:41,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:35:41,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:35:41,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:35:41,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:35:41,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:35:41,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:35:41,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:35:41,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:35:41,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:35:41,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:35:41,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:35:41,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:35:41,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:35:41,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:35:41,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:35:41,385 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:35:41,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:35:41,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:35:41,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:35:41,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:35:41,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:35:41,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:35:41,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:35:41,386 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_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab [2024-11-27 23:35:41,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:35:41,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:35:41,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:35:41,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:35:41,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:35:41,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2024-11-27 23:35:44,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/data/64dfb23b7/2e4a30ddffb0446eb4d61d9660f2104b/FLAGf26aea25f [2024-11-27 23:35:45,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:35:45,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2024-11-27 23:35:45,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/data/64dfb23b7/2e4a30ddffb0446eb4d61d9660f2104b/FLAGf26aea25f [2024-11-27 23:35:45,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/data/64dfb23b7/2e4a30ddffb0446eb4d61d9660f2104b [2024-11-27 23:35:45,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:35:45,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:35:45,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:35:45,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:35:45,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:35:45,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:35:45" (1/1) ... [2024-11-27 23:35:45,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed568f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:45, skipping insertion in model container [2024-11-27 23:35:45,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:35:45" (1/1) ... [2024-11-27 23:35:45,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:35:45,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:35:45,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:35:45,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:35:46,001 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:35:46,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46 WrapperNode [2024-11-27 23:35:46,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:35:46,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:35:46,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:35:46,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:35:46,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,056 INFO L138 Inliner]: procedures = 263, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-27 23:35:46,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:35:46,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:35:46,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:35:46,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:35:46,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:35:46,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:35:46,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:35:46,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:35:46,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (1/1) ... [2024-11-27 23:35:46,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:35:46,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:46,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:35:46,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:35:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 23:35:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 23:35:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:35:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 23:35:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 23:35:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:35:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:35:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:35:46,162 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:35:46,328 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:35:46,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:35:46,626 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:35:46,626 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:35:46,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:35:46,680 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:35:46,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:46 BoogieIcfgContainer [2024-11-27 23:35:46,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:35:46,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:35:46,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:35:46,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:35:46,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:35:45" (1/3) ... [2024-11-27 23:35:46,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389e552c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:35:46, skipping insertion in model container [2024-11-27 23:35:46,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:46" (2/3) ... [2024-11-27 23:35:46,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389e552c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:35:46, skipping insertion in model container [2024-11-27 23:35:46,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:46" (3/3) ... [2024-11-27 23:35:46,697 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2024-11-27 23:35:46,718 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:35:46,724 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_14-funarg_rc.i that has 2 procedures, 82 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-27 23:35:46,724 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:35:46,814 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-27 23:35:46,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 81 transitions, 169 flow [2024-11-27 23:35:46,957 INFO L124 PetriNetUnfolderBase]: 0/80 cut-off events. [2024-11-27 23:35:46,960 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 23:35:46,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 0/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-27 23:35:46,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 81 transitions, 169 flow [2024-11-27 23:35:46,975 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 75 transitions, 153 flow [2024-11-27 23:35:46,994 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:35:47,018 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;@51cf8a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:35:47,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-27 23:35:47,042 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:35:47,042 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-11-27 23:35:47,043 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:35:47,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:35:47,044 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] [2024-11-27 23:35:47,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 23:35:47,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:47,052 INFO L85 PathProgramCache]: Analyzing trace with hash -970110140, now seen corresponding path program 1 times [2024-11-27 23:35:47,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:47,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412110653] [2024-11-27 23:35:47,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:47,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:35:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:47,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412110653] [2024-11-27 23:35:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412110653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:47,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:35:47,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:35:47,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531870981] [2024-11-27 23:35:47,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:47,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:35:47,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:47,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:35:47,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:35:47,507 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 81 [2024-11-27 23:35:47,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 75 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:35:47,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:35:47,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 81 [2024-11-27 23:35:47,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:35:47,658 INFO L124 PetriNetUnfolderBase]: 47/298 cut-off events. [2024-11-27 23:35:47,658 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 23:35:47,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 298 events. 47/298 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1298 event pairs, 12 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 385. Up to 82 conditions per place. [2024-11-27 23:35:47,663 INFO L140 encePairwiseOnDemand]: 72/81 looper letters, 20 selfloop transitions, 6 changer transitions 1/85 dead transitions. [2024-11-27 23:35:47,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 85 transitions, 227 flow [2024-11-27 23:35:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:35:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:35:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2024-11-27 23:35:47,680 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-11-27 23:35:47,682 INFO L175 Difference]: Start difference. First operand has 79 places, 75 transitions, 153 flow. Second operand 3 states and 219 transitions. [2024-11-27 23:35:47,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 85 transitions, 227 flow [2024-11-27 23:35:47,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 85 transitions, 226 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:35:47,691 INFO L231 Difference]: Finished difference. Result has 81 places, 79 transitions, 198 flow [2024-11-27 23:35:47,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=81, PETRI_TRANSITIONS=79} [2024-11-27 23:35:47,697 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 2 predicate places. [2024-11-27 23:35:47,697 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 79 transitions, 198 flow [2024-11-27 23:35:47,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:35:47,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:35:47,697 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:35:47,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:35:47,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 23:35:47,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:47,699 INFO L85 PathProgramCache]: Analyzing trace with hash 213306631, now seen corresponding path program 1 times [2024-11-27 23:35:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043010432] [2024-11-27 23:35:47,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:47,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:35:47,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:47,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043010432] [2024-11-27 23:35:47,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043010432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:47,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:35:47,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:35:47,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162028805] [2024-11-27 23:35:47,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:47,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:35:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:47,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:35:47,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:35:47,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 81 [2024-11-27 23:35:47,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 79 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:35:47,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:35:47,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 81 [2024-11-27 23:35:47,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:35:47,971 INFO L124 PetriNetUnfolderBase]: 73/372 cut-off events. [2024-11-27 23:35:47,972 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES. [2024-11-27 23:35:47,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 372 events. 73/372 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1769 event pairs, 30 based on Foata normal form. 2/352 useless extension candidates. Maximal degree in co-relation 590. Up to 129 conditions per place. [2024-11-27 23:35:47,976 INFO L140 encePairwiseOnDemand]: 75/81 looper letters, 18 selfloop transitions, 5 changer transitions 5/88 dead transitions. [2024-11-27 23:35:47,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 88 transitions, 280 flow [2024-11-27 23:35:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:35:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:35:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2024-11-27 23:35:47,980 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-11-27 23:35:47,980 INFO L175 Difference]: Start difference. First operand has 81 places, 79 transitions, 198 flow. Second operand 3 states and 219 transitions. [2024-11-27 23:35:47,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 88 transitions, 280 flow [2024-11-27 23:35:47,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 88 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:35:47,985 INFO L231 Difference]: Finished difference. Result has 83 places, 80 transitions, 218 flow [2024-11-27 23:35:47,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=83, PETRI_TRANSITIONS=80} [2024-11-27 23:35:47,988 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2024-11-27 23:35:47,988 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 218 flow [2024-11-27 23:35:47,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:35:47,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:35:47,989 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] [2024-11-27 23:35:47,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:35:47,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 23:35:47,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1794291401, now seen corresponding path program 1 times [2024-11-27 23:35:47,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:47,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987223100] [2024-11-27 23:35:47,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:47,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:35:48,040 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:35:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:35:48,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:35:48,076 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:35:48,077 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-27 23:35:48,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-27 23:35:48,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-27 23:35:48,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-27 23:35:48,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-27 23:35:48,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-27 23:35:48,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-27 23:35:48,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:35:48,080 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 23:35:48,130 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:35:48,131 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:35:48,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:35:48 BasicIcfg [2024-11-27 23:35:48,139 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:35:48,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:35:48,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:35:48,140 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:35:48,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:46" (3/4) ... [2024-11-27 23:35:48,141 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 23:35:48,208 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-11-27 23:35:48,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:35:48,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:35:48,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:35:48,248 INFO L158 Benchmark]: Toolchain (without parser) took 2954.23ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 56.4MB in the end (delta: 60.7MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-27 23:35:48,249 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:35:48,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.06ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 89.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:35:48,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.44ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 87.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:35:48,251 INFO L158 Benchmark]: Boogie Preprocessor took 24.71ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 86.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:35:48,252 INFO L158 Benchmark]: RCFGBuilder took 599.14ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 71.4MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:35:48,253 INFO L158 Benchmark]: TraceAbstraction took 1454.23ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 62.8MB in the end (delta: 8.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-27 23:35:48,254 INFO L158 Benchmark]: Witness Printer took 107.80ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 56.4MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:35:48,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.06ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 89.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.44ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 87.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.71ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 86.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 599.14ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 71.4MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1454.23ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 62.8MB in the end (delta: 8.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 107.80ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 56.4MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 934]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L931] 0 pthread_t id; VAL [mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L923] EXPR 1 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1] [L923] 1 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={1:0}, mutex2={2:0}, mutex3={3:0}, myglobal=1] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: printf("myglobal equals %d\n",myglobal) [934] - UnprovableResult [Line: 937]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 100 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 6 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 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! [2024-11-27 23:35:48,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73dc466-2d53-4a85-84dd-e23a2e7b0eb3/bin/uautomizer-verify-aQ6SnzHsRB/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)