./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/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_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:48:35,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:48:35,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:48:35,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:48:35,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:48:35,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:48:35,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:48:35,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:48:35,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:48:35,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:48:35,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:48:35,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:48:35,538 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:48:35,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:48:35,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:48:35,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:48:35,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:48:35,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:48:35,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:48:35,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:48:35,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:48:35,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:48:35,541 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:48:35,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:48:35,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:48:35,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:48:35,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:48:35,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:48:35,542 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:48:35,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:35,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:35,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:35,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:35,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:48:35,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:48:35,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:48:35,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:48:35,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:48:35,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:48:35,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:48:35,545 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2024-11-28 03:48:35,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:48:35,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:48:35,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:48:35,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:48:35,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:48:35,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2024-11-28 03:48:39,358 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/data/4ace54b7a/e65e5699e6c64516bb4487dd95f6304c/FLAG44ab2bf5f [2024-11-28 03:48:39,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:48:39,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/sv-benchmarks/c/ldv-races/race-1_2-join.i [2024-11-28 03:48:39,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/data/4ace54b7a/e65e5699e6c64516bb4487dd95f6304c/FLAG44ab2bf5f [2024-11-28 03:48:39,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/data/4ace54b7a/e65e5699e6c64516bb4487dd95f6304c [2024-11-28 03:48:39,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:48:39,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:48:39,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:39,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:48:39,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:48:39,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:39" (1/1) ... [2024-11-28 03:48:39,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:39, skipping insertion in model container [2024-11-28 03:48:39,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:39" (1/1) ... [2024-11-28 03:48:40,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:48:40,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:41,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:48:41,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:41,243 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:48:41,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41 WrapperNode [2024-11-28 03:48:41,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:41,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:41,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:48:41,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:48:41,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,309 INFO L138 Inliner]: procedures = 483, calls = 31, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 123 [2024-11-28 03:48:41,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:41,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:48:41,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:48:41,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:48:41,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:48:41,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:48:41,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:48:41,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:48:41,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (1/1) ... [2024-11-28 03:48:41,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:41,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:41,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:48:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:48:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:48:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:48:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:48:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:48:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:48:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:48:41,427 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:48:41,783 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:48:41,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:48:42,163 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:48:42,163 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:48:42,257 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:48:42,258 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:48:42,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:42 BoogieIcfgContainer [2024-11-28 03:48:42,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:48:42,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:48:42,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:48:42,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:48:42,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:48:39" (1/3) ... [2024-11-28 03:48:42,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758289c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:42, skipping insertion in model container [2024-11-28 03:48:42,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:41" (2/3) ... [2024-11-28 03:48:42,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758289c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:42, skipping insertion in model container [2024-11-28 03:48:42,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:42" (3/3) ... [2024-11-28 03:48:42,277 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2024-11-28 03:48:42,301 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:48:42,303 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_2-join.i that has 2 procedures, 134 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-11-28 03:48:42,303 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:48:42,371 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:48:42,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 141 transitions, 289 flow [2024-11-28 03:48:42,549 INFO L124 PetriNetUnfolderBase]: 7/156 cut-off events. [2024-11-28 03:48:42,554 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:48:42,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 156 events. 7/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 235 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-11-28 03:48:42,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 141 transitions, 289 flow [2024-11-28 03:48:42,572 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 123 transitions, 252 flow [2024-11-28 03:48:42,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:48:42,606 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2768414b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:48:42,606 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-28 03:48:42,620 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:48:42,621 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-28 03:48:42,621 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:48:42,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:42,622 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:42,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 03:48:42,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1600114191, now seen corresponding path program 1 times [2024-11-28 03:48:42,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:42,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001867603] [2024-11-28 03:48:42,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:43,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:43,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001867603] [2024-11-28 03:48:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001867603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:43,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:43,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:43,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476923276] [2024-11-28 03:48:43,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:43,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:43,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:43,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:43,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:43,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-28 03:48:43,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 123 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:43,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:43,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-28 03:48:43,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:43,495 INFO L124 PetriNetUnfolderBase]: 9/187 cut-off events. [2024-11-28 03:48:43,495 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-28 03:48:43,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 187 events. 9/187 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 547 event pairs, 9 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 114. Up to 36 conditions per place. [2024-11-28 03:48:43,498 INFO L140 encePairwiseOnDemand]: 131/141 looper letters, 16 selfloop transitions, 2 changer transitions 6/111 dead transitions. [2024-11-28 03:48:43,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 264 flow [2024-11-28 03:48:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2024-11-28 03:48:43,521 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2024-11-28 03:48:43,525 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 252 flow. Second operand 3 states and 356 transitions. [2024-11-28 03:48:43,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 264 flow [2024-11-28 03:48:43,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:43,540 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 216 flow [2024-11-28 03:48:43,544 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-11-28 03:48:43,551 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -8 predicate places. [2024-11-28 03:48:43,554 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 216 flow [2024-11-28 03:48:43,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:43,554 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:43,554 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:43,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:48:43,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 03:48:43,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash 840499616, now seen corresponding path program 1 times [2024-11-28 03:48:43,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:43,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417758579] [2024-11-28 03:48:43,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:43,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:43,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:43,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417758579] [2024-11-28 03:48:43,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417758579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:43,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:43,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:43,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349888189] [2024-11-28 03:48:43,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:43,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:43,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:43,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:43,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:43,873 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-28 03:48:43,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:43,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:43,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-28 03:48:43,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:43,974 INFO L124 PetriNetUnfolderBase]: 6/178 cut-off events. [2024-11-28 03:48:43,974 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-28 03:48:43,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 178 events. 6/178 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 481 event pairs, 1 based on Foata normal form. 2/167 useless extension candidates. Maximal degree in co-relation 183. Up to 17 conditions per place. [2024-11-28 03:48:43,976 INFO L140 encePairwiseOnDemand]: 130/141 looper letters, 13 selfloop transitions, 7 changer transitions 3/108 dead transitions. [2024-11-28 03:48:43,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 108 transitions, 265 flow [2024-11-28 03:48:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2024-11-28 03:48:43,979 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8368794326241135 [2024-11-28 03:48:43,979 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 216 flow. Second operand 3 states and 354 transitions. [2024-11-28 03:48:43,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 108 transitions, 265 flow [2024-11-28 03:48:43,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 108 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:43,984 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 233 flow [2024-11-28 03:48:43,985 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2024-11-28 03:48:43,989 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -16 predicate places. [2024-11-28 03:48:43,989 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 233 flow [2024-11-28 03:48:43,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:43,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:43,990 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:43,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:48:43,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 03:48:43,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1556343009, now seen corresponding path program 1 times [2024-11-28 03:48:43,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:43,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467217544] [2024-11-28 03:48:43,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:43,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:44,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:44,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467217544] [2024-11-28 03:48:44,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467217544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:44,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:44,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:44,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680792790] [2024-11-28 03:48:44,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:44,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:44,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:44,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:44,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:44,285 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-28 03:48:44,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:44,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:44,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-28 03:48:44,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:44,370 INFO L124 PetriNetUnfolderBase]: 10/190 cut-off events. [2024-11-28 03:48:44,371 INFO L125 PetriNetUnfolderBase]: For 21/24 co-relation queries the response was YES. [2024-11-28 03:48:44,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 190 events. 10/190 cut-off events. For 21/24 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 625 event pairs, 7 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 36. Up to 41 conditions per place. [2024-11-28 03:48:44,374 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 18 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-28 03:48:44,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 271 flow [2024-11-28 03:48:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-11-28 03:48:44,381 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2024-11-28 03:48:44,381 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 233 flow. Second operand 3 states and 348 transitions. [2024-11-28 03:48:44,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 271 flow [2024-11-28 03:48:44,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:44,385 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 228 flow [2024-11-28 03:48:44,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2024-11-28 03:48:44,388 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -19 predicate places. [2024-11-28 03:48:44,388 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 228 flow [2024-11-28 03:48:44,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:44,389 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:44,389 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:44,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:48:44,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 03:48:44,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:44,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1654593785, now seen corresponding path program 1 times [2024-11-28 03:48:44,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:44,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015932520] [2024-11-28 03:48:44,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:44,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:44,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:44,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015932520] [2024-11-28 03:48:44,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015932520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:44,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:44,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:44,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617897071] [2024-11-28 03:48:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:44,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:44,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:44,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:44,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:44,627 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2024-11-28 03:48:44,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:44,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:44,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2024-11-28 03:48:44,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:44,713 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2024-11-28 03:48:44,714 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 03:48:44,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 210 events. 17/210 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 706 event pairs, 7 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 252. Up to 49 conditions per place. [2024-11-28 03:48:44,718 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 17 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-11-28 03:48:44,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 103 transitions, 272 flow [2024-11-28 03:48:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2024-11-28 03:48:44,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-28 03:48:44,721 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 228 flow. Second operand 3 states and 360 transitions. [2024-11-28 03:48:44,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 103 transitions, 272 flow [2024-11-28 03:48:44,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 103 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:44,728 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 226 flow [2024-11-28 03:48:44,731 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2024-11-28 03:48:44,733 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -20 predicate places. [2024-11-28 03:48:44,733 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 226 flow [2024-11-28 03:48:44,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:44,733 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:44,734 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:44,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:48:44,734 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 03:48:44,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash 58778051, now seen corresponding path program 1 times [2024-11-28 03:48:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:44,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395949258] [2024-11-28 03:48:44,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:44,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:44,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:44,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395949258] [2024-11-28 03:48:44,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395949258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:44,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:44,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127966134] [2024-11-28 03:48:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:44,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:44,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:44,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:44,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 141 [2024-11-28 03:48:44,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:44,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:44,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 141 [2024-11-28 03:48:44,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:45,064 INFO L124 PetriNetUnfolderBase]: 14/186 cut-off events. [2024-11-28 03:48:45,065 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 03:48:45,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 186 events. 14/186 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 548 event pairs, 3 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 164. Up to 24 conditions per place. [2024-11-28 03:48:45,066 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 14 selfloop transitions, 1 changer transitions 16/102 dead transitions. [2024-11-28 03:48:45,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 102 transitions, 262 flow [2024-11-28 03:48:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-11-28 03:48:45,069 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8699763593380615 [2024-11-28 03:48:45,069 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 226 flow. Second operand 3 states and 368 transitions. [2024-11-28 03:48:45,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 102 transitions, 262 flow [2024-11-28 03:48:45,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 102 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:45,073 INFO L231 Difference]: Finished difference. Result has 101 places, 83 transitions, 186 flow [2024-11-28 03:48:45,074 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=101, PETRI_TRANSITIONS=83} [2024-11-28 03:48:45,074 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -21 predicate places. [2024-11-28 03:48:45,075 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 83 transitions, 186 flow [2024-11-28 03:48:45,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:45,075 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:45,075 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:45,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:48:45,076 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 03:48:45,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1430973916, now seen corresponding path program 1 times [2024-11-28 03:48:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:45,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769970982] [2024-11-28 03:48:45,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:45,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:45,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769970982] [2024-11-28 03:48:45,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769970982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:45,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:45,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:45,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325737126] [2024-11-28 03:48:45,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:45,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:45,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:45,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:45,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:45,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-28 03:48:45,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 83 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:45,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:45,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-28 03:48:45,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:45,433 INFO L124 PetriNetUnfolderBase]: 10/153 cut-off events. [2024-11-28 03:48:45,434 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-28 03:48:45,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 153 events. 10/153 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 393 event pairs, 7 based on Foata normal form. 1/147 useless extension candidates. Maximal degree in co-relation 180. Up to 36 conditions per place. [2024-11-28 03:48:45,436 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2024-11-28 03:48:45,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 214 flow [2024-11-28 03:48:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2024-11-28 03:48:45,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8108747044917257 [2024-11-28 03:48:45,441 INFO L175 Difference]: Start difference. First operand has 101 places, 83 transitions, 186 flow. Second operand 3 states and 343 transitions. [2024-11-28 03:48:45,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 214 flow [2024-11-28 03:48:45,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 82 transitions, 213 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:45,445 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-28 03:48:45,445 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-28 03:48:45,446 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -36 predicate places. [2024-11-28 03:48:45,446 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-28 03:48:45,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:45,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-28 03:48:45,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-28 03:48:45,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-28 03:48:45,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-28 03:48:45,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-28 03:48:45,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-28 03:48:45,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-28 03:48:45,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-28 03:48:45,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-28 03:48:45,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-28 03:48:45,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-28 03:48:45,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2024-11-28 03:48:45,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-28 03:48:45,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:48:45,459 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 03:48:45,467 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:48:45,467 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:48:45,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:48:45 BasicIcfg [2024-11-28 03:48:45,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:48:45,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:48:45,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:48:45,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:48:45,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:42" (3/4) ... [2024-11-28 03:48:45,483 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:48:45,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:48:45,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-28 03:48:45,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 03:48:45,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:48:45,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:48:45,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:48:45,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:48:45,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:48:45,626 INFO L158 Benchmark]: Toolchain (without parser) took 5666.62ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 98.2MB in the beginning and 249.1MB in the end (delta: -150.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2024-11-28 03:48:45,627 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:48:45,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.83ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 44.4MB in the end (delta: 53.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-28 03:48:45,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.54ms. Allocated memory is still 142.6MB. Free memory was 44.4MB in the beginning and 41.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:48:45,629 INFO L158 Benchmark]: Boogie Preprocessor took 46.00ms. Allocated memory is still 142.6MB. Free memory was 41.5MB in the beginning and 39.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:48:45,629 INFO L158 Benchmark]: RCFGBuilder took 902.51ms. Allocated memory is still 142.6MB. Free memory was 39.2MB in the beginning and 82.0MB in the end (delta: -42.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-28 03:48:45,631 INFO L158 Benchmark]: TraceAbstraction took 3215.76ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 81.4MB in the beginning and 254.4MB in the end (delta: -173.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-28 03:48:45,631 INFO L158 Benchmark]: Witness Printer took 145.76ms. Allocated memory is still 369.1MB. Free memory was 254.4MB in the beginning and 249.1MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:48:45,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.83ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 44.4MB in the end (delta: 53.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.54ms. Allocated memory is still 142.6MB. Free memory was 44.4MB in the beginning and 41.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.00ms. Allocated memory is still 142.6MB. Free memory was 41.5MB in the beginning and 39.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 902.51ms. Allocated memory is still 142.6MB. Free memory was 39.2MB in the beginning and 82.0MB in the end (delta: -42.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3215.76ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 81.4MB in the beginning and 254.4MB in the end (delta: -173.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Witness Printer took 145.76ms. Allocated memory is still 369.1MB. Free memory was 254.4MB in the beginning and 249.1MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 1712]: 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: 1714]: 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, 145 locations, 13 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: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 75 mSDtfsCounter, 246 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=252occurred in iteration=0, 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:48:45,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ad676-c2ef-4f53-aebd-16deb1a4ad03/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE