./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:41:00,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:41:00,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 01:41:00,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:41:00,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:41:00,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:41:00,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:41:00,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:41:00,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:41:00,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:41:00,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:41:00,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:41:00,524 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:41:00,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:41:00,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:41:00,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:41:00,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:41:00,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:41:00,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:41:00,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:41:00,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:41:00,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:41:00,528 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 01:41:00,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:41:00,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:41:00,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:41:00,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:41:00,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:41:00,529 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:41:00,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:41:00,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:41:00,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:00,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:41:00,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:41:00,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:41:00,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:00,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:41:00,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:41:00,531 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:41:00,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:41:00,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:41:00,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:41:00,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:41:00,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:41:00,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:41:00,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:41:00,533 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_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 [2024-11-24 01:41:00,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:41:00,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:41:00,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:41:00,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:41:00,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:41:00,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2024-11-24 01:41:04,836 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/data/bce2ee0f1/d60aee8059954ff4856cc8b2b6851c16/FLAG8395704f8 [2024-11-24 01:41:05,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:41:05,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2024-11-24 01:41:05,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/data/bce2ee0f1/d60aee8059954ff4856cc8b2b6851c16/FLAG8395704f8 [2024-11-24 01:41:05,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/data/bce2ee0f1/d60aee8059954ff4856cc8b2b6851c16 [2024-11-24 01:41:05,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:41:05,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:41:05,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:41:05,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:41:05,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:41:05,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:41:05" (1/1) ... [2024-11-24 01:41:05,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174aeba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:05, skipping insertion in model container [2024-11-24 01:41:05,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:41:05" (1/1) ... [2024-11-24 01:41:05,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:41:06,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:41:06,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:41:06,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:41:06,317 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:41:06,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06 WrapperNode [2024-11-24 01:41:06,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:41:06,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:41:06,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:41:06,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:41:06,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,411 INFO L138 Inliner]: procedures = 263, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2024-11-24 01:41:06,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:41:06,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:41:06,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:41:06,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:41:06,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:41:06,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:41:06,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:41:06,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:41:06,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (1/1) ... [2024-11-24 01:41:06,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:06,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:41:06,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:41:06,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:41:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 01:41:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 01:41:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:41:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-24 01:41:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-24 01:41:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 01:41:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:41:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:41:06,584 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:41:06,848 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:41:06,851 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:41:07,239 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:41:07,239 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:41:07,305 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:41:07,307 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:41:07,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:07 BoogieIcfgContainer [2024-11-24 01:41:07,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:41:07,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:41:07,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:41:07,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:41:07,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:41:05" (1/3) ... [2024-11-24 01:41:07,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0d79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:41:07, skipping insertion in model container [2024-11-24 01:41:07,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:06" (2/3) ... [2024-11-24 01:41:07,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0d79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:41:07, skipping insertion in model container [2024-11-24 01:41:07,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:07" (3/3) ... [2024-11-24 01:41:07,322 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2024-11-24 01:41:07,344 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:41:07,346 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_15-funarg_nr.i that has 2 procedures, 180 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-24 01:41:07,346 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:41:07,485 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-24 01:41:07,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 179 transitions, 365 flow [2024-11-24 01:41:07,693 INFO L124 PetriNetUnfolderBase]: 0/178 cut-off events. [2024-11-24 01:41:07,697 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:41:07,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 178 events. 0/178 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-24 01:41:07,702 INFO L82 GeneralOperation]: Start removeDead. Operand has 183 places, 179 transitions, 365 flow [2024-11-24 01:41:07,709 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 173 transitions, 349 flow [2024-11-24 01:41:07,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:41:07,737 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;@45c8f79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:41:07,737 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-24 01:41:07,793 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:41:07,796 INFO L124 PetriNetUnfolderBase]: 0/137 cut-off events. [2024-11-24 01:41:07,796 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:41:07,797 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:41:07,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:07,798 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)] === [2024-11-24 01:41:07,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:07,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1677970634, now seen corresponding path program 1 times [2024-11-24 01:41:07,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551939381] [2024-11-24 01:41:07,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:07,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:08,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:08,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551939381] [2024-11-24 01:41:08,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551939381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:08,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:08,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:41:08,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160102625] [2024-11-24 01:41:08,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:08,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:08,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:08,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:08,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:08,588 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 179 [2024-11-24 01:41:08,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 173 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-11-24 01:41:08,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:41:08,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 179 [2024-11-24 01:41:08,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:41:08,877 INFO L124 PetriNetUnfolderBase]: 47/396 cut-off events. [2024-11-24 01:41:08,877 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:41:08,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 396 events. 47/396 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1297 event pairs, 12 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 385. Up to 82 conditions per place. [2024-11-24 01:41:08,884 INFO L140 encePairwiseOnDemand]: 170/179 looper letters, 20 selfloop transitions, 6 changer transitions 1/183 dead transitions. [2024-11-24 01:41:08,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 183 transitions, 423 flow [2024-11-24 01:41:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:41:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 513 transitions. [2024-11-24 01:41:08,907 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553072625698324 [2024-11-24 01:41:08,909 INFO L175 Difference]: Start difference. First operand has 177 places, 173 transitions, 349 flow. Second operand 3 states and 513 transitions. [2024-11-24 01:41:08,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 183 transitions, 423 flow [2024-11-24 01:41:08,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 183 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:41:08,923 INFO L231 Difference]: Finished difference. Result has 179 places, 177 transitions, 394 flow [2024-11-24 01:41:08,927 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=179, PETRI_TRANSITIONS=177} [2024-11-24 01:41:08,932 INFO L279 CegarLoopForPetriNet]: 177 programPoint places, 2 predicate places. [2024-11-24 01:41:08,932 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 177 transitions, 394 flow [2024-11-24 01:41:08,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-11-24 01:41:08,933 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:41:08,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:08,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:41:08,933 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)] === [2024-11-24 01:41:08,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:08,938 INFO L85 PathProgramCache]: Analyzing trace with hash 275283193, now seen corresponding path program 1 times [2024-11-24 01:41:08,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:08,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077903885] [2024-11-24 01:41:08,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:09,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:09,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077903885] [2024-11-24 01:41:09,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077903885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:09,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:09,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:41:09,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876867251] [2024-11-24 01:41:09,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:09,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:09,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:09,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:09,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:09,238 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 179 [2024-11-24 01:41:09,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 177 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2024-11-24 01:41:09,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:41:09,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 179 [2024-11-24 01:41:09,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:41:09,395 INFO L124 PetriNetUnfolderBase]: 73/470 cut-off events. [2024-11-24 01:41:09,396 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES. [2024-11-24 01:41:09,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 470 events. 73/470 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1763 event pairs, 30 based on Foata normal form. 2/450 useless extension candidates. Maximal degree in co-relation 590. Up to 129 conditions per place. [2024-11-24 01:41:09,403 INFO L140 encePairwiseOnDemand]: 173/179 looper letters, 18 selfloop transitions, 5 changer transitions 5/186 dead transitions. [2024-11-24 01:41:09,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 186 transitions, 476 flow [2024-11-24 01:41:09,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:41:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 513 transitions. [2024-11-24 01:41:09,408 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553072625698324 [2024-11-24 01:41:09,408 INFO L175 Difference]: Start difference. First operand has 179 places, 177 transitions, 394 flow. Second operand 3 states and 513 transitions. [2024-11-24 01:41:09,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 186 transitions, 476 flow [2024-11-24 01:41:09,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 186 transitions, 460 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:41:09,430 INFO L231 Difference]: Finished difference. Result has 181 places, 178 transitions, 414 flow [2024-11-24 01:41:09,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=181, PETRI_TRANSITIONS=178} [2024-11-24 01:41:09,431 INFO L279 CegarLoopForPetriNet]: 177 programPoint places, 4 predicate places. [2024-11-24 01:41:09,432 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 178 transitions, 414 flow [2024-11-24 01:41:09,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2024-11-24 01:41:09,432 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:41:09,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:09,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:41:09,433 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)] === [2024-11-24 01:41:09,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash 43765015, now seen corresponding path program 1 times [2024-11-24 01:41:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:09,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327430260] [2024-11-24 01:41:09,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:09,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:09,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327430260] [2024-11-24 01:41:09,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327430260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:09,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:09,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:41:09,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872441866] [2024-11-24 01:41:09,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:09,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:09,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:09,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:09,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:09,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 179 [2024-11-24 01:41:09,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 178 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2024-11-24 01:41:09,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:41:09,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 179 [2024-11-24 01:41:09,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:41:10,030 INFO L124 PetriNetUnfolderBase]: 0/221 cut-off events. [2024-11-24 01:41:10,030 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-24 01:41:10,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 221 events. 0/221 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 154 event pairs, 0 based on Foata normal form. 4/225 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-11-24 01:41:10,031 INFO L140 encePairwiseOnDemand]: 173/179 looper letters, 0 selfloop transitions, 0 changer transitions 170/170 dead transitions. [2024-11-24 01:41:10,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 170 transitions, 386 flow [2024-11-24 01:41:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:41:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2024-11-24 01:41:10,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9702048417132216 [2024-11-24 01:41:10,034 INFO L175 Difference]: Start difference. First operand has 181 places, 178 transitions, 414 flow. Second operand 3 states and 521 transitions. [2024-11-24 01:41:10,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 170 transitions, 386 flow [2024-11-24 01:41:10,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 170 transitions, 368 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-24 01:41:10,040 INFO L231 Difference]: Finished difference. Result has 176 places, 0 transitions, 0 flow [2024-11-24 01:41:10,041 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=176, PETRI_TRANSITIONS=0} [2024-11-24 01:41:10,046 INFO L279 CegarLoopForPetriNet]: 177 programPoint places, -1 predicate places. [2024-11-24 01:41:10,046 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 0 transitions, 0 flow [2024-11-24 01:41:10,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2024-11-24 01:41:10,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-24 01:41:10,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-24 01:41:10,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-24 01:41:10,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-24 01:41:10,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-24 01:41:10,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-24 01:41:10,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-24 01:41:10,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:41:10,053 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:41:10,064 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:41:10,064 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:41:10,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:41:10 BasicIcfg [2024-11-24 01:41:10,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:41:10,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:41:10,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:41:10,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:41:10,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:07" (3/4) ... [2024-11-24 01:41:10,075 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:41:10,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-24 01:41:10,090 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 01:41:10,091 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:41:10,091 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:41:10,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:41:10,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:41:10,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:41:10,211 INFO L158 Benchmark]: Toolchain (without parser) took 4856.66ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 71.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-24 01:41:10,211 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:41:10,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 960.09ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 61.5MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:41:10,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.81ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 59.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:41:10,212 INFO L158 Benchmark]: Boogie Preprocessor took 62.45ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 57.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:41:10,212 INFO L158 Benchmark]: RCFGBuilder took 831.10ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 39.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:41:10,213 INFO L158 Benchmark]: TraceAbstraction took 2759.85ms. Allocated memory is still 117.4MB. Free memory was 39.3MB in the beginning and 76.2MB in the end (delta: -37.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-24 01:41:10,213 INFO L158 Benchmark]: Witness Printer took 137.80ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 71.0MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:41:10,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 960.09ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 61.5MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.81ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 59.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.45ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 57.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 831.10ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 39.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2759.85ms. Allocated memory is still 117.4MB. Free memory was 39.3MB in the beginning and 76.2MB in the end (delta: -37.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 137.80ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 71.0MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 198 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 16 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:41:10,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82850df-30cb-4d48-b4c6-9ca5af808c49/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE