./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya --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 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:00:45,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:00:45,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:00:45,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:00:45,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:00:45,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:00:45,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:00:45,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:00:45,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:00:45,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:00:45,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:00:45,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:00:45,163 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:00:45,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:00:45,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:00:45,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:00:45,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:00:45,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:00:45,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:00:45,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:00:45,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:00:45,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:00:45,168 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:00:45,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:00:45,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:00:45,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:00:45,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:00:45,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:00:45,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:00:45,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:00:45,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:00:45,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:00:45,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:00:45,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:00:45,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:00:45,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:00:45,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:00:45,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:00:45,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:00:45,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:00:45,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:00:45,176 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_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 [2023-11-29 04:00:45,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:00:45,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:00:45,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:00:45,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:00:45,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:00:45,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2023-11-29 04:00:48,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:00:48,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:00:48,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2023-11-29 04:00:48,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/data/80c532a1b/f015f32034fb4f4aa78ba714184f41ed/FLAG80a41dc97 [2023-11-29 04:00:48,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/data/80c532a1b/f015f32034fb4f4aa78ba714184f41ed [2023-11-29 04:00:48,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:00:48,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:00:48,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:00:48,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:00:48,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:00:48,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:48,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a346008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48, skipping insertion in model container [2023-11-29 04:00:48,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:48,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:00:48,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:00:48,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:00:48,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:00:48,995 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:00:48,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48 WrapperNode [2023-11-29 04:00:48,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:00:48,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:00:48,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:00:48,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:00:49,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,044 INFO L138 Inliner]: procedures = 263, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-29 04:00:49,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:00:49,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:00:49,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:00:49,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:00:49,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:00:49,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:00:49,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:00:49,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:00:49,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (1/1) ... [2023-11-29 04:00:49,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:00:49,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:00:49,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:00:49,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:00:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:00:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:00:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 04:00:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:00:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 04:00:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:00:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 04:00:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 04:00:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:00:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:00:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:00:49,142 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:00:49,274 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:00:49,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:00:49,407 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:00:49,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:00:49,425 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:00:49,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:00:49 BoogieIcfgContainer [2023-11-29 04:00:49,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:00:49,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:00:49,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:00:49,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:00:49,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:00:48" (1/3) ... [2023-11-29 04:00:49,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94bf3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:00:49, skipping insertion in model container [2023-11-29 04:00:49,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:00:48" (2/3) ... [2023-11-29 04:00:49,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94bf3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:00:49, skipping insertion in model container [2023-11-29 04:00:49,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:00:49" (3/3) ... [2023-11-29 04:00:49,436 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2023-11-29 04:00:49,444 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:00:49,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:00:49,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-29 04:00:49,455 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:00:49,493 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 04:00:49,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 162 flow [2023-11-29 04:00:49,562 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events. [2023-11-29 04:00:49,563 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:00:49,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-29 04:00:49,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 79 transitions, 162 flow [2023-11-29 04:00:49,569 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 78 transitions, 159 flow [2023-11-29 04:00:49,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:00:49,592 INFO L357 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, mHoare=true, 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;@40bc5419, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:00:49,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-29 04:00:49,600 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:00:49,601 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2023-11-29 04:00:49,601 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:00:49,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:00:49,602 INFO L208 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] [2023-11-29 04:00:49,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-29 04:00:49,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:00:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash -689741038, now seen corresponding path program 1 times [2023-11-29 04:00:49,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:00:49,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018710156] [2023-11-29 04:00:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:00:49,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:00:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:00:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:00:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:00:49,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018710156] [2023-11-29 04:00:49,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018710156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:00:49,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:00:49,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:00:49,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007810155] [2023-11-29 04:00:49,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:00:49,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:00:49,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:00:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:00:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:00:49,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 79 [2023-11-29 04:00:49,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 78 transitions, 159 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-29 04:00:49,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:00:49,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 79 [2023-11-29 04:00:49,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:00:49,961 INFO L124 PetriNetUnfolderBase]: 6/128 cut-off events. [2023-11-29 04:00:49,961 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 04:00:49,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 128 events. 6/128 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 241 event pairs, 6 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 103. Up to 22 conditions per place. [2023-11-29 04:00:49,965 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 9 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2023-11-29 04:00:49,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 77 transitions, 179 flow [2023-11-29 04:00:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:00:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:00:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2023-11-29 04:00:49,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8987341772151899 [2023-11-29 04:00:49,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 213 transitions. [2023-11-29 04:00:49,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 213 transitions. [2023-11-29 04:00:49,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:00:49,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 213 transitions. [2023-11-29 04:00:49,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2023-11-29 04:00:49,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:49,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:49,992 INFO L175 Difference]: Start difference. First operand has 82 places, 78 transitions, 159 flow. Second operand 3 states and 213 transitions. [2023-11-29 04:00:49,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 77 transitions, 179 flow [2023-11-29 04:00:49,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:00:50,000 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 160 flow [2023-11-29 04:00:50,002 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2023-11-29 04:00:50,005 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, 0 predicate places. [2023-11-29 04:00:50,006 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 160 flow [2023-11-29 04:00:50,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-29 04:00:50,006 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:00:50,006 INFO L208 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] [2023-11-29 04:00:50,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:00:50,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-29 04:00:50,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:00:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash -951583254, now seen corresponding path program 1 times [2023-11-29 04:00:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:00:50,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759224071] [2023-11-29 04:00:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:00:50,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:00:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:00:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:00:50,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:00:50,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759224071] [2023-11-29 04:00:50,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759224071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:00:50,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:00:50,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:00:50,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773578334] [2023-11-29 04:00:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:00:50,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:00:50,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:00:50,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:00:50,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:00:50,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 79 [2023-11-29 04:00:50,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-11-29 04:00:50,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:00:50,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 79 [2023-11-29 04:00:50,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:00:50,144 INFO L124 PetriNetUnfolderBase]: 0/75 cut-off events. [2023-11-29 04:00:50,144 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:00:50,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2023-11-29 04:00:50,145 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 5 selfloop transitions, 4 changer transitions 0/75 dead transitions. [2023-11-29 04:00:50,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 174 flow [2023-11-29 04:00:50,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:00:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:00:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2023-11-29 04:00:50,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071729957805907 [2023-11-29 04:00:50,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 215 transitions. [2023-11-29 04:00:50,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 215 transitions. [2023-11-29 04:00:50,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:00:50,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 215 transitions. [2023-11-29 04:00:50,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2023-11-29 04:00:50,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,155 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 160 flow. Second operand 3 states and 215 transitions. [2023-11-29 04:00:50,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 174 flow [2023-11-29 04:00:50,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:00:50,158 INFO L231 Difference]: Finished difference. Result has 80 places, 75 transitions, 160 flow [2023-11-29 04:00:50,159 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=80, PETRI_TRANSITIONS=75} [2023-11-29 04:00:50,160 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -2 predicate places. [2023-11-29 04:00:50,160 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 160 flow [2023-11-29 04:00:50,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-11-29 04:00:50,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:00:50,161 INFO L208 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] [2023-11-29 04:00:50,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:00:50,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-29 04:00:50,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:00:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash -969913691, now seen corresponding path program 1 times [2023-11-29 04:00:50,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:00:50,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929320924] [2023-11-29 04:00:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:00:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:00:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:00:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:00:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:00:50,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929320924] [2023-11-29 04:00:50,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929320924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:00:50,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:00:50,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:00:50,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034377445] [2023-11-29 04:00:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:00:50,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:00:50,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:00:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:00:50,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:00:50,257 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2023-11-29 04:00:50,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-11-29 04:00:50,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:00:50,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2023-11-29 04:00:50,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:00:50,286 INFO L124 PetriNetUnfolderBase]: 4/92 cut-off events. [2023-11-29 04:00:50,286 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 04:00:50,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 92 events. 4/92 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 80 event pairs, 4 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 69. Up to 19 conditions per place. [2023-11-29 04:00:50,288 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 10 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2023-11-29 04:00:50,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 182 flow [2023-11-29 04:00:50,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:00:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:00:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2023-11-29 04:00:50,290 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.890295358649789 [2023-11-29 04:00:50,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2023-11-29 04:00:50,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2023-11-29 04:00:50,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:00:50,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2023-11-29 04:00:50,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2023-11-29 04:00:50,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,294 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,294 INFO L175 Difference]: Start difference. First operand has 80 places, 75 transitions, 160 flow. Second operand 3 states and 211 transitions. [2023-11-29 04:00:50,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 182 flow [2023-11-29 04:00:50,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 74 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:00:50,297 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 154 flow [2023-11-29 04:00:50,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2023-11-29 04:00:50,298 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -3 predicate places. [2023-11-29 04:00:50,298 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 154 flow [2023-11-29 04:00:50,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-11-29 04:00:50,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:00:50,299 INFO L208 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] [2023-11-29 04:00:50,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:00:50,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-29 04:00:50,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:00:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1345497987, now seen corresponding path program 1 times [2023-11-29 04:00:50,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:00:50,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481833962] [2023-11-29 04:00:50,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:00:50,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:00:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:00:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:00:50,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:00:50,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481833962] [2023-11-29 04:00:50,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481833962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:00:50,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:00:50,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:00:50,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231843317] [2023-11-29 04:00:50,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:00:50,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:00:50,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:00:50,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:00:50,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:00:50,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 79 [2023-11-29 04:00:50,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2023-11-29 04:00:50,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:00:50,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 79 [2023-11-29 04:00:50,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:00:50,410 INFO L124 PetriNetUnfolderBase]: 6/113 cut-off events. [2023-11-29 04:00:50,410 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:00:50,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 113 events. 6/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 168 event pairs, 2 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 97. Up to 10 conditions per place. [2023-11-29 04:00:50,411 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 7 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2023-11-29 04:00:50,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 174 flow [2023-11-29 04:00:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:00:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:00:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2023-11-29 04:00:50,414 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9409282700421941 [2023-11-29 04:00:50,414 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2023-11-29 04:00:50,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2023-11-29 04:00:50,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:00:50,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2023-11-29 04:00:50,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:00:50,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,417 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 154 flow. Second operand 3 states and 223 transitions. [2023-11-29 04:00:50,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 174 flow [2023-11-29 04:00:50,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:00:50,420 INFO L231 Difference]: Finished difference. Result has 78 places, 73 transitions, 152 flow [2023-11-29 04:00:50,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=78, PETRI_TRANSITIONS=73} [2023-11-29 04:00:50,421 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -4 predicate places. [2023-11-29 04:00:50,421 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 73 transitions, 152 flow [2023-11-29 04:00:50,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2023-11-29 04:00:50,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:00:50,422 INFO L208 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] [2023-11-29 04:00:50,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:00:50,422 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-29 04:00:50,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:00:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1290552175, now seen corresponding path program 1 times [2023-11-29 04:00:50,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:00:50,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988181368] [2023-11-29 04:00:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:00:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:00:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:00:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:00:50,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:00:50,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988181368] [2023-11-29 04:00:50,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988181368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:00:50,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:00:50,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:00:50,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545469056] [2023-11-29 04:00:50,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:00:50,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:00:50,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:00:50,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:00:50,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:00:50,497 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 79 [2023-11-29 04:00:50,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 73 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2023-11-29 04:00:50,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:00:50,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 79 [2023-11-29 04:00:50,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:00:50,525 INFO L124 PetriNetUnfolderBase]: 12/132 cut-off events. [2023-11-29 04:00:50,526 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 04:00:50,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 132 events. 12/132 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 303 event pairs, 8 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 130. Up to 26 conditions per place. [2023-11-29 04:00:50,527 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 9 selfloop transitions, 2 changer transitions 5/74 dead transitions. [2023-11-29 04:00:50,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 74 transitions, 180 flow [2023-11-29 04:00:50,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:00:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:00:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2023-11-29 04:00:50,529 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071729957805907 [2023-11-29 04:00:50,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 215 transitions. [2023-11-29 04:00:50,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 215 transitions. [2023-11-29 04:00:50,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:00:50,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 215 transitions. [2023-11-29 04:00:50,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2023-11-29 04:00:50,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,542 INFO L175 Difference]: Start difference. First operand has 78 places, 73 transitions, 152 flow. Second operand 3 states and 215 transitions. [2023-11-29 04:00:50,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 74 transitions, 180 flow [2023-11-29 04:00:50,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 74 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:00:50,545 INFO L231 Difference]: Finished difference. Result has 77 places, 68 transitions, 142 flow [2023-11-29 04:00:50,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2023-11-29 04:00:50,546 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -5 predicate places. [2023-11-29 04:00:50,546 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 142 flow [2023-11-29 04:00:50,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2023-11-29 04:00:50,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:00:50,547 INFO L208 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] [2023-11-29 04:00:50,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:00:50,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-29 04:00:50,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:00:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash -254547248, now seen corresponding path program 1 times [2023-11-29 04:00:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:00:50,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126616170] [2023-11-29 04:00:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:00:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:00:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:00:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:00:50,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:00:50,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126616170] [2023-11-29 04:00:50,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126616170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:00:50,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:00:50,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:00:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217959106] [2023-11-29 04:00:50,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:00:50,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:00:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:00:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:00:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:00:50,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 79 [2023-11-29 04:00:50,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2023-11-29 04:00:50,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:00:50,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 79 [2023-11-29 04:00:50,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:00:50,635 INFO L124 PetriNetUnfolderBase]: 0/67 cut-off events. [2023-11-29 04:00:50,635 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:00:50,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2023-11-29 04:00:50,635 INFO L140 encePairwiseOnDemand]: 76/79 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2023-11-29 04:00:50,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 67 transitions, 158 flow [2023-11-29 04:00:50,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:00:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:00:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2023-11-29 04:00:50,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9029535864978903 [2023-11-29 04:00:50,637 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2023-11-29 04:00:50,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2023-11-29 04:00:50,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:00:50,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2023-11-29 04:00:50,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2023-11-29 04:00:50,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,640 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2023-11-29 04:00:50,640 INFO L175 Difference]: Start difference. First operand has 77 places, 68 transitions, 142 flow. Second operand 3 states and 214 transitions. [2023-11-29 04:00:50,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 67 transitions, 158 flow [2023-11-29 04:00:50,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 67 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:00:50,642 INFO L231 Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow [2023-11-29 04:00:50,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0} [2023-11-29 04:00:50,643 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -10 predicate places. [2023-11-29 04:00:50,643 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 0 transitions, 0 flow [2023-11-29 04:00:50,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2023-11-29 04:00:50,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-29 04:00:50,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-29 04:00:50,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-29 04:00:50,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-29 04:00:50,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-29 04:00:50,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-29 04:00:50,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-29 04:00:50,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-29 04:00:50,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-29 04:00:50,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-29 04:00:50,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:00:50,649 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 04:00:50,655 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:00:50,655 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:00:50,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:00:50 BasicIcfg [2023-11-29 04:00:50,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:00:50,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:00:50,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:00:50,660 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:00:50,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:00:49" (3/4) ... [2023-11-29 04:00:50,662 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:00:50,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 04:00:50,669 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 04:00:50,669 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:00:50,669 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:00:50,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:00:50,742 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:00:50,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:00:50,743 INFO L158 Benchmark]: Toolchain (without parser) took 2327.91ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 110.2MB in the beginning and 136.6MB in the end (delta: -26.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-29 04:00:50,743 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:00:50,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.88ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 82.0MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 04:00:50,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.17ms. Allocated memory is still 144.7MB. Free memory was 82.0MB in the beginning and 80.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:00:50,745 INFO L158 Benchmark]: Boogie Preprocessor took 28.34ms. Allocated memory is still 144.7MB. Free memory was 79.7MB in the beginning and 78.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:00:50,745 INFO L158 Benchmark]: RCFGBuilder took 353.10ms. Allocated memory is still 144.7MB. Free memory was 78.3MB in the beginning and 64.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:00:50,746 INFO L158 Benchmark]: TraceAbstraction took 1230.03ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 63.3MB in the beginning and 140.8MB in the end (delta: -77.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:00:50,746 INFO L158 Benchmark]: Witness Printer took 82.07ms. Allocated memory is still 188.7MB. Free memory was 140.8MB in the beginning and 136.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:00:50,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.88ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 82.0MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.17ms. Allocated memory is still 144.7MB. Free memory was 82.0MB in the beginning and 80.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.34ms. Allocated memory is still 144.7MB. Free memory was 79.7MB in the beginning and 78.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.10ms. Allocated memory is still 144.7MB. Free memory was 78.3MB in the beginning and 64.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1230.03ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 63.3MB in the beginning and 140.8MB in the end (delta: -77.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.07ms. Allocated memory is still 188.7MB. Free memory was 140.8MB in the beginning and 136.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 98 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 35 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:00:50,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc44758b-e4b9-43a4-91b3-cf3e800a4b5e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE