./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/spaghetti.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU --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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:00,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:00,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:18:00,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:00,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:00,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:00,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:00,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:00,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:00,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:00,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:00,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:00,339 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:00,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:00,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:00,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:00,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:00,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:00,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:00,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:00,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:00,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:00,347 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:18:00,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:00,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:00,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:00,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:00,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:00,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:00,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:00,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:00,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:00,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:00,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:00,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:00,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:00,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:00,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:00,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:00,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:00,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:00,354 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2024-10-31 22:18:00,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:00,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:00,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:00,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:00,708 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:00,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/spaghetti.wvr.c Unable to find full path for "g++" [2024-10-31 22:18:02,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:02,945 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:02,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/sv-benchmarks/c/weaver/spaghetti.wvr.c [2024-10-31 22:18:02,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/data/3a9cf8f12/da5405d2f71b4a33bc8a6a6d54517e3d/FLAG785e38858 [2024-10-31 22:18:02,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/data/3a9cf8f12/da5405d2f71b4a33bc8a6a6d54517e3d [2024-10-31 22:18:02,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:02,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:02,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:02,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:02,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:02,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:02" (1/1) ... [2024-10-31 22:18:02,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345fe09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:02, skipping insertion in model container [2024-10-31 22:18:02,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:02" (1/1) ... [2024-10-31 22:18:03,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:03,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:03,331 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:03,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:03,390 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:03,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03 WrapperNode [2024-10-31 22:18:03,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:03,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:03,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:03,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:03,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,434 INFO L138 Inliner]: procedures = 22, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-10-31 22:18:03,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:03,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:03,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:03,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:03,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:03,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:03,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:03,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:03,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (1/1) ... [2024-10-31 22:18:03,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:03,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:03,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:03,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:18:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:18:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:18:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:18:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:18:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:18:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-31 22:18:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-31 22:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:03,578 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:18:03,770 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:03,773 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:04,147 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:18:04,147 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:04,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:04,358 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:18:04,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04 BoogieIcfgContainer [2024-10-31 22:18:04,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:04,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:04,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:04,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:04,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:02" (1/3) ... [2024-10-31 22:18:04,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335f964c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:03" (2/3) ... [2024-10-31 22:18:04,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335f964c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/3) ... [2024-10-31 22:18:04,374 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2024-10-31 22:18:04,395 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:04,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-31 22:18:04,396 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:18:04,485 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-31 22:18:04,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 162 transitions, 352 flow [2024-10-31 22:18:04,637 INFO L124 PetriNetUnfolderBase]: 9/158 cut-off events. [2024-10-31 22:18:04,638 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:18:04,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 158 events. 9/158 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 116. Up to 2 conditions per place. [2024-10-31 22:18:04,645 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 162 transitions, 352 flow [2024-10-31 22:18:04,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 141 transitions, 306 flow [2024-10-31 22:18:04,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:04,671 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;@2c033e4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:04,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-10-31 22:18:04,677 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:04,678 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-31 22:18:04,678 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:04,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:04,679 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:04,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-10-31 22:18:04,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:04,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1030250925, now seen corresponding path program 1 times [2024-10-31 22:18:04,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:04,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053643557] [2024-10-31 22:18:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:04,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:04,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053643557] [2024-10-31 22:18:04,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053643557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:04,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:04,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:04,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731637873] [2024-10-31 22:18:04,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:04,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:04,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:04,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:04,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:04,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 162 [2024-10-31 22:18:04,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 141 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-10-31 22:18:04,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:04,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 162 [2024-10-31 22:18:04,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:05,935 INFO L124 PetriNetUnfolderBase]: 2060/4486 cut-off events. [2024-10-31 22:18:05,935 INFO L125 PetriNetUnfolderBase]: For 358/358 co-relation queries the response was YES. [2024-10-31 22:18:05,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7445 conditions, 4486 events. 2060/4486 cut-off events. For 358/358 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 35347 event pairs, 1132 based on Foata normal form. 848/4870 useless extension candidates. Maximal degree in co-relation 7178. Up to 2631 conditions per place. [2024-10-31 22:18:05,998 INFO L140 encePairwiseOnDemand]: 131/162 looper letters, 26 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-10-31 22:18:05,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 112 transitions, 304 flow [2024-10-31 22:18:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:06,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-31 22:18:06,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7469135802469136 [2024-10-31 22:18:06,017 INFO L175 Difference]: Start difference. First operand has 146 places, 141 transitions, 306 flow. Second operand 3 states and 363 transitions. [2024-10-31 22:18:06,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 112 transitions, 304 flow [2024-10-31 22:18:06,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 288 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-31 22:18:06,030 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 236 flow [2024-10-31 22:18:06,032 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2024-10-31 22:18:06,039 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -31 predicate places. [2024-10-31 22:18:06,039 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 236 flow [2024-10-31 22:18:06,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-10-31 22:18:06,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:06,040 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:06,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:06,041 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-10-31 22:18:06,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1877006656, now seen corresponding path program 1 times [2024-10-31 22:18:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:06,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631861298] [2024-10-31 22:18:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:06,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:06,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631861298] [2024-10-31 22:18:06,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631861298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:06,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:06,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:06,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415837531] [2024-10-31 22:18:06,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:06,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:06,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:06,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:06,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:06,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 162 [2024-10-31 22:18:06,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-10-31 22:18:06,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:06,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 162 [2024-10-31 22:18:06,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:06,995 INFO L124 PetriNetUnfolderBase]: 2060/4485 cut-off events. [2024-10-31 22:18:06,995 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-10-31 22:18:07,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7235 conditions, 4485 events. 2060/4485 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 35453 event pairs, 1132 based on Foata normal form. 0/4022 useless extension candidates. Maximal degree in co-relation 7208. Up to 2631 conditions per place. [2024-10-31 22:18:07,054 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 26 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-10-31 22:18:07,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 290 flow [2024-10-31 22:18:07,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2024-10-31 22:18:07,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6893004115226338 [2024-10-31 22:18:07,061 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 236 flow. Second operand 3 states and 335 transitions. [2024-10-31 22:18:07,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 290 flow [2024-10-31 22:18:07,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:07,110 INFO L231 Difference]: Finished difference. Result has 114 places, 111 transitions, 234 flow [2024-10-31 22:18:07,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=114, PETRI_TRANSITIONS=111} [2024-10-31 22:18:07,111 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -32 predicate places. [2024-10-31 22:18:07,112 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 111 transitions, 234 flow [2024-10-31 22:18:07,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-10-31 22:18:07,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:07,113 INFO L204 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] [2024-10-31 22:18:07,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:07,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-10-31 22:18:07,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash 187172103, now seen corresponding path program 1 times [2024-10-31 22:18:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:07,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745303139] [2024-10-31 22:18:07,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:07,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:07,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:07,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745303139] [2024-10-31 22:18:07,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745303139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:07,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:07,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:07,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147795849] [2024-10-31 22:18:07,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:07,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:07,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:07,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:07,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:07,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 162 [2024-10-31 22:18:07,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 111 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-10-31 22:18:07,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:07,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 162 [2024-10-31 22:18:07,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:07,933 INFO L124 PetriNetUnfolderBase]: 2060/4484 cut-off events. [2024-10-31 22:18:07,933 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-10-31 22:18:07,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7231 conditions, 4484 events. 2060/4484 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 35362 event pairs, 1132 based on Foata normal form. 0/4022 useless extension candidates. Maximal degree in co-relation 7197. Up to 2628 conditions per place. [2024-10-31 22:18:07,973 INFO L140 encePairwiseOnDemand]: 160/162 looper letters, 24 selfloop transitions, 1 changer transitions 0/110 dead transitions. [2024-10-31 22:18:07,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 110 transitions, 282 flow [2024-10-31 22:18:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2024-10-31 22:18:07,976 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7078189300411523 [2024-10-31 22:18:07,976 INFO L175 Difference]: Start difference. First operand has 114 places, 111 transitions, 234 flow. Second operand 3 states and 344 transitions. [2024-10-31 22:18:07,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 110 transitions, 282 flow [2024-10-31 22:18:07,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:07,981 INFO L231 Difference]: Finished difference. Result has 113 places, 110 transitions, 230 flow [2024-10-31 22:18:07,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=113, PETRI_TRANSITIONS=110} [2024-10-31 22:18:07,983 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -33 predicate places. [2024-10-31 22:18:07,984 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 110 transitions, 230 flow [2024-10-31 22:18:07,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-10-31 22:18:07,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:07,985 INFO L204 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] [2024-10-31 22:18:07,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:07,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-10-31 22:18:07,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash -810113437, now seen corresponding path program 1 times [2024-10-31 22:18:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:07,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951669678] [2024-10-31 22:18:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:08,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:08,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951669678] [2024-10-31 22:18:08,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951669678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:08,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:08,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:08,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574775283] [2024-10-31 22:18:08,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:08,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:08,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:08,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:08,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:08,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 162 [2024-10-31 22:18:08,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 110 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-10-31 22:18:08,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:08,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 162 [2024-10-31 22:18:08,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:08,867 INFO L124 PetriNetUnfolderBase]: 2060/4483 cut-off events. [2024-10-31 22:18:08,867 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-10-31 22:18:08,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7228 conditions, 4483 events. 2060/4483 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 35327 event pairs, 1132 based on Foata normal form. 1/4022 useless extension candidates. Maximal degree in co-relation 7220. Up to 2628 conditions per place. [2024-10-31 22:18:08,891 INFO L140 encePairwiseOnDemand]: 160/162 looper letters, 0 selfloop transitions, 0 changer transitions 109/109 dead transitions. [2024-10-31 22:18:08,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 109 transitions, 276 flow [2024-10-31 22:18:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2024-10-31 22:18:08,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7057613168724279 [2024-10-31 22:18:08,894 INFO L175 Difference]: Start difference. First operand has 113 places, 110 transitions, 230 flow. Second operand 3 states and 343 transitions. [2024-10-31 22:18:08,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 109 transitions, 276 flow [2024-10-31 22:18:08,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 109 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:18:08,897 INFO L231 Difference]: Finished difference. Result has 113 places, 0 transitions, 0 flow [2024-10-31 22:18:08,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=113, PETRI_TRANSITIONS=0} [2024-10-31 22:18:08,900 INFO L277 CegarLoopForPetriNet]: 146 programPoint places, -33 predicate places. [2024-10-31 22:18:08,901 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 0 transitions, 0 flow [2024-10-31 22:18:08,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-10-31 22:18:08,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2024-10-31 22:18:08,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2024-10-31 22:18:08,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2024-10-31 22:18:08,908 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2024-10-31 22:18:08,908 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2024-10-31 22:18:08,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2024-10-31 22:18:08,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2024-10-31 22:18:08,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2024-10-31 22:18:08,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2024-10-31 22:18:08,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2024-10-31 22:18:08,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2024-10-31 22:18:08,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2024-10-31 22:18:08,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2024-10-31 22:18:08,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2024-10-31 22:18:08,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2024-10-31 22:18:08,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2024-10-31 22:18:08,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2024-10-31 22:18:08,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2024-10-31 22:18:08,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2024-10-31 22:18:08,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2024-10-31 22:18:08,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2024-10-31 22:18:08,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2024-10-31 22:18:08,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 56 remaining) [2024-10-31 22:18:08,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 56 remaining) [2024-10-31 22:18:08,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 56 remaining) [2024-10-31 22:18:08,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 56 remaining) [2024-10-31 22:18:08,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2024-10-31 22:18:08,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2024-10-31 22:18:08,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2024-10-31 22:18:08,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2024-10-31 22:18:08,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2024-10-31 22:18:08,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2024-10-31 22:18:08,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2024-10-31 22:18:08,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2024-10-31 22:18:08,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2024-10-31 22:18:08,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2024-10-31 22:18:08,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2024-10-31 22:18:08,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2024-10-31 22:18:08,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2024-10-31 22:18:08,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2024-10-31 22:18:08,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2024-10-31 22:18:08,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2024-10-31 22:18:08,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2024-10-31 22:18:08,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2024-10-31 22:18:08,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2024-10-31 22:18:08,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2024-10-31 22:18:08,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2024-10-31 22:18:08,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2024-10-31 22:18:08,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2024-10-31 22:18:08,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2024-10-31 22:18:08,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2024-10-31 22:18:08,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2024-10-31 22:18:08,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2024-10-31 22:18:08,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2024-10-31 22:18:08,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2024-10-31 22:18:08,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2024-10-31 22:18:08,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:08,935 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:18:08,944 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:18:08,945 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:18:08,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:18:08 BasicIcfg [2024-10-31 22:18:08,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:18:08,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:18:08,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:18:08,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:18:08,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/4) ... [2024-10-31 22:18:08,963 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:18:08,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:18:08,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:18:08,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-31 22:18:08,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-31 22:18:08,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-31 22:18:08,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:18:08,975 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:18:08,975 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:18:09,081 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:18:09,082 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:18:09,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:18:09,086 INFO L158 Benchmark]: Toolchain (without parser) took 6100.90ms. Allocated memory was 132.1MB in the beginning and 484.4MB in the end (delta: 352.3MB). Free memory was 92.6MB in the beginning and 271.9MB in the end (delta: -179.3MB). Peak memory consumption was 175.2MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,087 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:09,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.76ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 78.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 132.1MB. Free memory was 78.6MB in the beginning and 77.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,088 INFO L158 Benchmark]: Boogie Preprocessor took 46.27ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,088 INFO L158 Benchmark]: RCFGBuilder took 874.61ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 75.5MB in the beginning and 128.6MB in the end (delta: -53.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,089 INFO L158 Benchmark]: TraceAbstraction took 4594.00ms. Allocated memory was 180.4MB in the beginning and 484.4MB in the end (delta: 304.1MB). Free memory was 128.6MB in the beginning and 277.1MB in the end (delta: -148.6MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,089 INFO L158 Benchmark]: Witness Printer took 128.53ms. Allocated memory is still 484.4MB. Free memory was 277.1MB in the beginning and 271.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:18:09,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.76ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 78.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 132.1MB. Free memory was 78.6MB in the beginning and 77.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.27ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.61ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 75.5MB in the beginning and 128.6MB in the end (delta: -53.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4594.00ms. Allocated memory was 180.4MB in the beginning and 484.4MB in the end (delta: 304.1MB). Free memory was 128.6MB in the beginning and 277.1MB in the end (delta: -148.6MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. * Witness Printer took 128.53ms. Allocated memory is still 484.4MB. Free memory was 277.1MB in the beginning and 271.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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 9 procedures, 232 locations, 56 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: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 12 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:18:09,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1965e1-fbaa-4dc7-a55d-e1989c03d843/bin/uautomizer-verify-4GaUIPS5ZU/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