./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:10:20,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:10:20,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:10:20,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:10:20,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:10:20,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:10:20,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:10:20,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:10:20,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:10:20,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:10:20,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:10:20,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:10:20,353 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:10:20,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:10:20,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:10:20,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:10:20,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:10:20,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:10:20,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:10:20,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:10:20,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:10:20,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:10:20,360 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:10:20,360 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:10:20,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:10:20,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:10:20,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:10:20,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:10:20,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:10:20,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:10:20,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:20,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:10:20,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:10:20,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:10:20,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:10:20,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:10:20,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:10:20,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:10:20,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:10:20,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:10:20,368 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:10:20,369 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_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2023-11-06 22:10:20,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:10:20,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:10:20,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:10:20,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:10:20,762 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:10:20,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2023-11-06 22:10:24,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:10:24,745 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:10:24,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/sv-benchmarks/c/ldv-races/race-1_2-join.i [2023-11-06 22:10:24,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/data/2b489a62c/a5502834081b4261a5d53b5be6f5a101/FLAG58923cf55 [2023-11-06 22:10:24,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/data/2b489a62c/a5502834081b4261a5d53b5be6f5a101 [2023-11-06 22:10:24,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:10:24,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:10:24,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:24,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:10:24,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:10:24,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:24" (1/1) ... [2023-11-06 22:10:24,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8291a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:24, skipping insertion in model container [2023-11-06 22:10:24,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:24" (1/1) ... [2023-11-06 22:10:24,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:10:25,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:25,930 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:10:26,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:26,148 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:10:26,148 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:10:26,157 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:10:26,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26 WrapperNode [2023-11-06 22:10:26,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:26,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:26,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:10:26,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:10:26,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,245 INFO L138 Inliner]: procedures = 482, calls = 34, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 130 [2023-11-06 22:10:26,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:26,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:10:26,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:10:26,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:10:26,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:10:26,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:10:26,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:10:26,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:10:26,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:26,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:26,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:10:26,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:10:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:10:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:10:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:10:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:10:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:10:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:10:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:10:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:10:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:10:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:10:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:10:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:10:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:10:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:10:26,403 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:10:26,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:10:26,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:10:27,053 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:10:27,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:10:27,153 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:10:27,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:27 BoogieIcfgContainer [2023-11-06 22:10:27,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:10:27,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:10:27,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:10:27,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:10:27,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:10:24" (1/3) ... [2023-11-06 22:10:27,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac8b173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:27, skipping insertion in model container [2023-11-06 22:10:27,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26" (2/3) ... [2023-11-06 22:10:27,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac8b173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:27, skipping insertion in model container [2023-11-06 22:10:27,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:27" (3/3) ... [2023-11-06 22:10:27,168 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2023-11-06 22:10:27,177 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:10:27,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:10:27,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-06 22:10:27,190 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:10:27,259 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:10:27,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 145 transitions, 297 flow [2023-11-06 22:10:27,387 INFO L124 PetriNetUnfolderBase]: 7/164 cut-off events. [2023-11-06 22:10:27,387 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:10:27,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 164 events. 7/164 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 233 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2023-11-06 22:10:27,392 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 145 transitions, 297 flow [2023-11-06 22:10:27,398 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 126 transitions, 258 flow [2023-11-06 22:10:27,402 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:10:27,413 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 126 transitions, 258 flow [2023-11-06 22:10:27,417 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 126 transitions, 258 flow [2023-11-06 22:10:27,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 126 transitions, 258 flow [2023-11-06 22:10:27,488 INFO L124 PetriNetUnfolderBase]: 4/146 cut-off events. [2023-11-06 22:10:27,489 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:10:27,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 146 events. 4/146 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 214 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2023-11-06 22:10:27,495 INFO L119 LiptonReduction]: Number of co-enabled transitions 432 [2023-11-06 22:10:33,913 INFO L134 LiptonReduction]: Checked pairs total: 534 [2023-11-06 22:10:33,913 INFO L136 LiptonReduction]: Total number of compositions: 152 [2023-11-06 22:10:33,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:10:33,964 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=LoopsAndPotentialCycles, 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;@5c049a87, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:10:33,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-06 22:10:33,966 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:10:33,966 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:10:33,966 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:10:33,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:33,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:10:33,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-06 22:10:33,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:33,974 INFO L85 PathProgramCache]: Analyzing trace with hash 571, now seen corresponding path program 1 times [2023-11-06 22:10:33,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:33,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708771785] [2023-11-06 22:10:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:34,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:34,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708771785] [2023-11-06 22:10:34,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708771785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:34,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:34,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:10:34,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217823589] [2023-11-06 22:10:34,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:34,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:10:34,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:34,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:10:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:10:34,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 297 [2023-11-06 22:10:34,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 44 flow. Second operand has 2 states, 2 states have (on average 128.5) internal successors, (257), 2 states have internal predecessors, (257), 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) [2023-11-06 22:10:34,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:34,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 297 [2023-11-06 22:10:34,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:34,435 INFO L124 PetriNetUnfolderBase]: 4/19 cut-off events. [2023-11-06 22:10:34,435 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:10:34,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 19 events. 4/19 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 4 based on Foata normal form. 1/16 useless extension candidates. Maximal degree in co-relation 26. Up to 20 conditions per place. [2023-11-06 22:10:34,437 INFO L140 encePairwiseOnDemand]: 287/297 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2023-11-06 22:10:34,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 9 transitions, 42 flow [2023-11-06 22:10:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:10:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:10:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 275 transitions. [2023-11-06 22:10:34,463 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46296296296296297 [2023-11-06 22:10:34,464 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 275 transitions. [2023-11-06 22:10:34,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 275 transitions. [2023-11-06 22:10:34,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:34,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 275 transitions. [2023-11-06 22:10:34,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 137.5) internal successors, (275), 2 states have internal predecessors, (275), 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) [2023-11-06 22:10:34,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2023-11-06 22:10:34,482 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2023-11-06 22:10:34,485 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 44 flow. Second operand 2 states and 275 transitions. [2023-11-06 22:10:34,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 9 transitions, 42 flow [2023-11-06 22:10:34,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:10:34,489 INFO L231 Difference]: Finished difference. Result has 11 places, 0 transitions, 0 flow [2023-11-06 22:10:34,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=20, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=11, PETRI_TRANSITIONS=0} [2023-11-06 22:10:34,495 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, -11 predicate places. [2023-11-06 22:10:34,495 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 0 transitions, 0 flow [2023-11-06 22:10:34,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 128.5) internal successors, (257), 2 states have internal predecessors, (257), 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) [2023-11-06 22:10:34,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-11-06 22:10:34,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-11-06 22:10:34,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-11-06 22:10:34,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2023-11-06 22:10:34,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-11-06 22:10:34,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-11-06 22:10:34,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-11-06 22:10:34,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-11-06 22:10:34,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-11-06 22:10:34,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-11-06 22:10:34,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2023-11-06 22:10:34,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-11-06 22:10:34,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:10:34,526 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 22:10:34,546 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:10:34,548 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:10:34,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:10:34 BasicIcfg [2023-11-06 22:10:34,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:10:34,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:10:34,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:10:34,559 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:10:34,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:27" (3/4) ... [2023-11-06 22:10:34,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:10:34,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:10:34,576 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-06 22:10:34,576 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:10:34,577 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:10:34,578 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:10:34,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:10:34,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:10:34,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:10:34,672 INFO L158 Benchmark]: Toolchain (without parser) took 9873.65ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 135.4MB in the beginning and 166.4MB in the end (delta: -31.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,672 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:10:34,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1359.15ms. Allocated memory is still 172.0MB. Free memory was 135.4MB in the beginning and 100.7MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.50ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 97.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,674 INFO L158 Benchmark]: Boogie Preprocessor took 68.29ms. Allocated memory is still 172.0MB. Free memory was 97.2MB in the beginning and 94.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,674 INFO L158 Benchmark]: RCFGBuilder took 840.87ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 94.4MB in the beginning and 167.5MB in the end (delta: -73.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,675 INFO L158 Benchmark]: TraceAbstraction took 7398.22ms. Allocated memory is still 207.6MB. Free memory was 166.4MB in the beginning and 170.6MB in the end (delta: -4.1MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,675 INFO L158 Benchmark]: Witness Printer took 112.20ms. Allocated memory is still 207.6MB. Free memory was 170.6MB in the beginning and 166.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:10:34,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1359.15ms. Allocated memory is still 172.0MB. Free memory was 135.4MB in the beginning and 100.7MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.50ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 97.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.29ms. Allocated memory is still 172.0MB. Free memory was 97.2MB in the beginning and 94.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.87ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 94.4MB in the beginning and 167.5MB in the end (delta: -73.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7398.22ms. Allocated memory is still 207.6MB. Free memory was 166.4MB in the beginning and 170.6MB in the end (delta: -4.1MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. * Witness Printer took 112.20ms. Allocated memory is still 207.6MB. Free memory was 170.6MB in the beginning and 166.4MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5s, 125 PlacesBefore, 22 PlacesAfterwards, 126 TransitionsBefore, 19 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 8 FixpointIterations, 96 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 3 ConcurrentYvCompositions, 4 ChoiceCompositions, 152 TotalNumberOfCompositions, 534 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 464, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 251, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 464, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 251, unknown conditional: 0, unknown unconditional: 251] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: 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, 148 locations, 12 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: 7.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:10:34,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc15b069-cf60-4024-aa5a-f39b04f3ec0d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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