./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:45:27,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:45:27,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 01:45:27,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:45:27,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:45:27,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:45:27,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:45:27,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:45:27,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:45:27,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:45:27,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:45:27,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:45:27,951 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:45:27,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:45:27,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:45:27,953 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:45:27,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:27,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:45:27,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:27,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:45:27,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:45:27,955 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_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 [2024-11-24 01:45:28,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:45:28,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:45:28,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:45:28,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:45:28,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:45:28,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2024-11-24 01:45:31,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/data/d66c7bc8a/250d1480a25f4371bbcbae141dcf6d47/FLAGb1403a640 [2024-11-24 01:45:31,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:45:31,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2024-11-24 01:45:31,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/data/d66c7bc8a/250d1480a25f4371bbcbae141dcf6d47/FLAGb1403a640 [2024-11-24 01:45:31,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/data/d66c7bc8a/250d1480a25f4371bbcbae141dcf6d47 [2024-11-24 01:45:31,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:45:31,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:45:31,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:45:31,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:45:31,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:45:31,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d24fc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31, skipping insertion in model container [2024-11-24 01:45:31,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:45:32,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:45:32,295 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:45:32,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:45:32,387 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:45:32,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32 WrapperNode [2024-11-24 01:45:32,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:45:32,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:45:32,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:45:32,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:45:32,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,436 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 199 [2024-11-24 01:45:32,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:45:32,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:45:32,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:45:32,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:45:32,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,462 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:45:32,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:45:32,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:45:32,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:45:32,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (1/1) ... [2024-11-24 01:45:32,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:32,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:32,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:45:32,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f3ec8e-ddec-4b61-bf20-d0eaa7f56413/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:45:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-24 01:45:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 01:45:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:45:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:45:32,549 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:45:32,727 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:45:32,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:45:33,152 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:45:33,152 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:45:33,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:45:33,304 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:45:33,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:33 BoogieIcfgContainer [2024-11-24 01:45:33,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:45:33,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:45:33,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:45:33,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:45:33,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:45:31" (1/3) ... [2024-11-24 01:45:33,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad264cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:45:33, skipping insertion in model container [2024-11-24 01:45:33,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:32" (2/3) ... [2024-11-24 01:45:33,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad264cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:45:33, skipping insertion in model container [2024-11-24 01:45:33,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:33" (3/3) ... [2024-11-24 01:45:33,319 INFO L128 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur-race.i [2024-11-24 01:45:33,335 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:45:33,336 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 37_stack_lock_p0_vs_concur-race.i that has 2 procedures, 190 locations, 1 initial locations, 2 loop locations, and 15 error locations. [2024-11-24 01:45:33,336 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:45:33,454 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 01:45:33,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 398 flow [2024-11-24 01:45:33,627 INFO L124 PetriNetUnfolderBase]: 8/205 cut-off events. [2024-11-24 01:45:33,633 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:45:33,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 205 events. 8/205 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 112. Up to 4 conditions per place. [2024-11-24 01:45:33,641 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 197 transitions, 398 flow [2024-11-24 01:45:33,648 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 398 flow [2024-11-24 01:45:33,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:45:33,680 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;@64ff0b3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:45:33,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-24 01:45:33,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:45:33,720 INFO L124 PetriNetUnfolderBase]: 3/111 cut-off events. [2024-11-24 01:45:33,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:45:33,721 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:33,722 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:33,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-24 01:45:33,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:33,730 INFO L85 PathProgramCache]: Analyzing trace with hash -426314682, now seen corresponding path program 1 times [2024-11-24 01:45:33,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:33,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090540535] [2024-11-24 01:45:33,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:33,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:45:33,970 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:45:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:45:34,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:45:34,108 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:45:34,109 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2024-11-24 01:45:34,111 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-24 01:45:34,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-24 01:45:34,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-24 01:45:34,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-24 01:45:34,112 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-24 01:45:34,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-24 01:45:34,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-24 01:45:34,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-24 01:45:34,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-24 01:45:34,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-24 01:45:34,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-24 01:45:34,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-24 01:45:34,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-24 01:45:34,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-24 01:45:34,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:45:34,119 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 01:45:34,124 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-24 01:45:34,127 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-24 01:45:34,292 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 01:45:34,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 300 transitions, 610 flow [2024-11-24 01:45:34,434 INFO L124 PetriNetUnfolderBase]: 15/318 cut-off events. [2024-11-24 01:45:34,434 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 01:45:34,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 318 events. 15/318 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 581 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 214. Up to 6 conditions per place. [2024-11-24 01:45:34,442 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 300 transitions, 610 flow [2024-11-24 01:45:34,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 292 places, 300 transitions, 610 flow [2024-11-24 01:45:34,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:45:34,453 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;@64ff0b3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:45:34,454 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-24 01:45:34,482 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:45:34,485 INFO L124 PetriNetUnfolderBase]: 5/121 cut-off events. [2024-11-24 01:45:34,486 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:45:34,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:34,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:34,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 01:45:34,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:34,487 INFO L85 PathProgramCache]: Analyzing trace with hash -993376313, now seen corresponding path program 1 times [2024-11-24 01:45:34,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:34,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125812797] [2024-11-24 01:45:34,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:34,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125812797] [2024-11-24 01:45:34,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125812797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 01:45:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070332575] [2024-11-24 01:45:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:34,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:45:34,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:34,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:45:34,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:45:34,773 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 300 [2024-11-24 01:45:34,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 300 transitions, 610 flow. Second operand has 2 states, 2 states have (on average 267.0) internal successors, (534), 2 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:34,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:45:34,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 300 [2024-11-24 01:45:34,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:45:35,027 INFO L124 PetriNetUnfolderBase]: 22/567 cut-off events. [2024-11-24 01:45:35,029 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-24 01:45:35,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 567 events. 22/567 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1945 event pairs, 12 based on Foata normal form. 52/554 useless extension candidates. Maximal degree in co-relation 185. Up to 33 conditions per place. [2024-11-24 01:45:35,042 INFO L140 encePairwiseOnDemand]: 276/300 looper letters, 8 selfloop transitions, 0 changer transitions 0/265 dead transitions. [2024-11-24 01:45:35,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 265 transitions, 556 flow [2024-11-24 01:45:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:45:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-24 01:45:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 564 transitions. [2024-11-24 01:45:35,065 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.94 [2024-11-24 01:45:35,069 INFO L175 Difference]: Start difference. First operand has 292 places, 300 transitions, 610 flow. Second operand 2 states and 564 transitions. [2024-11-24 01:45:35,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 265 transitions, 556 flow [2024-11-24 01:45:35,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 265 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 01:45:35,086 INFO L231 Difference]: Finished difference. Result has 267 places, 265 transitions, 540 flow [2024-11-24 01:45:35,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=300, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=540, PETRI_PLACES=267, PETRI_TRANSITIONS=265} [2024-11-24 01:45:35,094 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -25 predicate places. [2024-11-24 01:45:35,094 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 265 transitions, 540 flow [2024-11-24 01:45:35,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 267.0) internal successors, (534), 2 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:35,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:35,095 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:35,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:45:35,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 01:45:35,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:35,100 INFO L85 PathProgramCache]: Analyzing trace with hash 667989500, now seen corresponding path program 1 times [2024-11-24 01:45:35,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:35,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467371826] [2024-11-24 01:45:35,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:35,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:45:35,183 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:45:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:45:35,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:45:35,218 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-24 01:45:35,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-24 01:45:35,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-11-24 01:45:35,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-24 01:45:35,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-24 01:45:35,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-24 01:45:35,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-24 01:45:35,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-24 01:45:35,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-24 01:45:35,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-24 01:45:35,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-24 01:45:35,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:45:35,223 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:45:35,224 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-24 01:45:35,224 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-24 01:45:35,322 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 01:45:35,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 391 places, 403 transitions, 824 flow [2024-11-24 01:45:35,466 INFO L124 PetriNetUnfolderBase]: 22/431 cut-off events. [2024-11-24 01:45:35,466 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-24 01:45:35,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 431 events. 22/431 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1191 event pairs, 0 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 322. Up to 8 conditions per place. [2024-11-24 01:45:35,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 391 places, 403 transitions, 824 flow [2024-11-24 01:45:35,482 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 391 places, 403 transitions, 824 flow [2024-11-24 01:45:35,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:45:35,484 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;@64ff0b3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:45:35,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-24 01:45:35,501 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:45:35,501 INFO L124 PetriNetUnfolderBase]: 5/121 cut-off events. [2024-11-24 01:45:35,501 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:45:35,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:35,502 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:35,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-24 01:45:35,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:35,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1182232544, now seen corresponding path program 1 times [2024-11-24 01:45:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834256039] [2024-11-24 01:45:35,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:35,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:35,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834256039] [2024-11-24 01:45:35,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834256039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:35,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:35,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 01:45:35,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867988196] [2024-11-24 01:45:35,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:35,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:45:35,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:35,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:45:35,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:45:35,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 403 [2024-11-24 01:45:35,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 403 transitions, 824 flow. Second operand has 2 states, 2 states have (on average 354.0) internal successors, (708), 2 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:35,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:45:35,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 403 [2024-11-24 01:45:35,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:45:36,485 INFO L124 PetriNetUnfolderBase]: 150/2163 cut-off events. [2024-11-24 01:45:36,486 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-11-24 01:45:36,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2438 conditions, 2163 events. 150/2163 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 15641 event pairs, 108 based on Foata normal form. 281/2160 useless extension candidates. Maximal degree in co-relation 609. Up to 193 conditions per place. [2024-11-24 01:45:36,521 INFO L140 encePairwiseOnDemand]: 368/403 looper letters, 12 selfloop transitions, 0 changer transitions 0/353 dead transitions. [2024-11-24 01:45:36,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 353 transitions, 748 flow [2024-11-24 01:45:36,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:45:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-24 01:45:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 753 transitions. [2024-11-24 01:45:36,525 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.93424317617866 [2024-11-24 01:45:36,525 INFO L175 Difference]: Start difference. First operand has 391 places, 403 transitions, 824 flow. Second operand 2 states and 753 transitions. [2024-11-24 01:45:36,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 353 transitions, 748 flow [2024-11-24 01:45:36,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 353 transitions, 746 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-24 01:45:36,537 INFO L231 Difference]: Finished difference. Result has 355 places, 353 transitions, 722 flow [2024-11-24 01:45:36,539 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=722, PETRI_PLACES=355, PETRI_TRANSITIONS=353} [2024-11-24 01:45:36,540 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -36 predicate places. [2024-11-24 01:45:36,541 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 353 transitions, 722 flow [2024-11-24 01:45:36,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 354.0) internal successors, (708), 2 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:36,542 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:36,543 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:36,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:45:36,545 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-24 01:45:36,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash 196224649, now seen corresponding path program 1 times [2024-11-24 01:45:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654310935] [2024-11-24 01:45:36,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:37,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:37,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654310935] [2024-11-24 01:45:37,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654310935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:37,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:37,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:45:37,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825342892] [2024-11-24 01:45:37,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:37,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:45:37,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:37,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:45:37,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:45:38,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 403 [2024-11-24 01:45:38,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 353 transitions, 722 flow. Second operand has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:38,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:45:38,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 403 [2024-11-24 01:45:38,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:45:43,263 INFO L124 PetriNetUnfolderBase]: 2536/18112 cut-off events. [2024-11-24 01:45:43,263 INFO L125 PetriNetUnfolderBase]: For 784/784 co-relation queries the response was YES. [2024-11-24 01:45:43,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22441 conditions, 18112 events. 2536/18112 cut-off events. For 784/784 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 232777 event pairs, 432 based on Foata normal form. 0/15722 useless extension candidates. Maximal degree in co-relation 22435. Up to 2142 conditions per place. [2024-11-24 01:45:43,443 INFO L140 encePairwiseOnDemand]: 376/403 looper letters, 74 selfloop transitions, 29 changer transitions 0/416 dead transitions. [2024-11-24 01:45:43,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 416 transitions, 1094 flow [2024-11-24 01:45:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:45:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:45:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2057 transitions. [2024-11-24 01:45:43,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8507030603804797 [2024-11-24 01:45:43,449 INFO L175 Difference]: Start difference. First operand has 355 places, 353 transitions, 722 flow. Second operand 6 states and 2057 transitions. [2024-11-24 01:45:43,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 416 transitions, 1094 flow [2024-11-24 01:45:43,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 416 transitions, 1094 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 01:45:43,460 INFO L231 Difference]: Finished difference. Result has 365 places, 381 transitions, 946 flow [2024-11-24 01:45:43,461 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=365, PETRI_TRANSITIONS=381} [2024-11-24 01:45:43,461 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -26 predicate places. [2024-11-24 01:45:43,462 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 381 transitions, 946 flow [2024-11-24 01:45:43,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:43,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:43,463 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:43,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:45:43,464 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-24 01:45:43,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:43,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1508726950, now seen corresponding path program 1 times [2024-11-24 01:45:43,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:43,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551599691] [2024-11-24 01:45:43,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:43,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:45:43,526 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:45:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:45:43,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:45:43,584 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-24 01:45:43,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-24 01:45:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-24 01:45:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-24 01:45:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-24 01:45:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-24 01:45:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-24 01:45:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-24 01:45:43,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-24 01:45:43,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-24 01:45:43,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-24 01:45:43,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-24 01:45:43,591 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-24 01:45:43,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:45:43,592 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:45:43,594 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-24 01:45:43,594 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-24 01:45:43,705 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 01:45:43,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 490 places, 506 transitions, 1040 flow [2024-11-24 01:45:43,837 INFO L124 PetriNetUnfolderBase]: 29/544 cut-off events. [2024-11-24 01:45:43,837 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-24 01:45:43,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 544 events. 29/544 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1850 event pairs, 0 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 439. Up to 10 conditions per place. [2024-11-24 01:45:43,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 490 places, 506 transitions, 1040 flow [2024-11-24 01:45:43,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 490 places, 506 transitions, 1040 flow [2024-11-24 01:45:43,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:45:43,860 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;@64ff0b3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:45:43,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-11-24 01:45:43,868 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:45:43,868 INFO L124 PetriNetUnfolderBase]: 4/117 cut-off events. [2024-11-24 01:45:43,868 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-24 01:45:43,869 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:43,869 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:43,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-11-24 01:45:43,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:43,870 INFO L85 PathProgramCache]: Analyzing trace with hash -167892288, now seen corresponding path program 1 times [2024-11-24 01:45:43,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:43,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132234715] [2024-11-24 01:45:43,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:43,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:43,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:43,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132234715] [2024-11-24 01:45:43,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132234715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:43,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:43,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 01:45:43,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354830383] [2024-11-24 01:45:43,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:43,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:45:43,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:43,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:45:43,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:45:43,939 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 506 [2024-11-24 01:45:43,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 506 transitions, 1040 flow. Second operand has 2 states, 2 states have (on average 441.0) internal successors, (882), 2 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:43,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:45:43,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 506 [2024-11-24 01:45:43,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:45:46,419 INFO L124 PetriNetUnfolderBase]: 854/8739 cut-off events. [2024-11-24 01:45:46,419 INFO L125 PetriNetUnfolderBase]: For 1133/1133 co-relation queries the response was YES. [2024-11-24 01:45:46,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10167 conditions, 8739 events. 854/8739 cut-off events. For 1133/1133 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 93064 event pairs, 684 based on Foata normal form. 1451/9025 useless extension candidates. Maximal degree in co-relation 2417. Up to 1025 conditions per place. [2024-11-24 01:45:46,558 INFO L140 encePairwiseOnDemand]: 460/506 looper letters, 16 selfloop transitions, 0 changer transitions 0/441 dead transitions. [2024-11-24 01:45:46,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 441 transitions, 942 flow [2024-11-24 01:45:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:45:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-24 01:45:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 942 transitions. [2024-11-24 01:45:46,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9308300395256917 [2024-11-24 01:45:46,562 INFO L175 Difference]: Start difference. First operand has 490 places, 506 transitions, 1040 flow. Second operand 2 states and 942 transitions. [2024-11-24 01:45:46,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 441 transitions, 942 flow [2024-11-24 01:45:46,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 441 transitions, 936 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-24 01:45:46,571 INFO L231 Difference]: Finished difference. Result has 443 places, 441 transitions, 904 flow [2024-11-24 01:45:46,571 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=506, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=904, PETRI_PLACES=443, PETRI_TRANSITIONS=441} [2024-11-24 01:45:46,572 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -47 predicate places. [2024-11-24 01:45:46,572 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 441 transitions, 904 flow [2024-11-24 01:45:46,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 441.0) internal successors, (882), 2 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:46,573 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:45:46,573 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:46,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:45:46,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-11-24 01:45:46,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:46,575 INFO L85 PathProgramCache]: Analyzing trace with hash 470363433, now seen corresponding path program 1 times [2024-11-24 01:45:46,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:46,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007242163] [2024-11-24 01:45:46,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:45:47,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:47,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007242163] [2024-11-24 01:45:47,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007242163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:47,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:45:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613961408] [2024-11-24 01:45:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:47,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:45:47,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:47,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:45:47,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:45:48,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 506 [2024-11-24 01:45:48,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 441 transitions, 904 flow. Second operand has 6 states, 6 states have (on average 413.5) internal successors, (2481), 6 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:45:48,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:45:48,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 506 [2024-11-24 01:45:48,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:46:06,788 INFO L124 PetriNetUnfolderBase]: 16072/85008 cut-off events. [2024-11-24 01:46:06,789 INFO L125 PetriNetUnfolderBase]: For 4105/4105 co-relation queries the response was YES. [2024-11-24 01:46:07,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109292 conditions, 85008 events. 16072/85008 cut-off events. For 4105/4105 co-relation queries the response was YES. Maximal size of possible extension queue 1662. Compared 1316204 event pairs, 3109 based on Foata normal form. 0/74533 useless extension candidates. Maximal degree in co-relation 109285. Up to 13298 conditions per place. [2024-11-24 01:46:08,622 INFO L140 encePairwiseOnDemand]: 478/506 looper letters, 90 selfloop transitions, 33 changer transitions 0/520 dead transitions. [2024-11-24 01:46:08,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 520 transitions, 1368 flow [2024-11-24 01:46:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:46:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 01:46:08,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2599 transitions. [2024-11-24 01:46:08,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8560606060606061 [2024-11-24 01:46:08,628 INFO L175 Difference]: Start difference. First operand has 443 places, 441 transitions, 904 flow. Second operand 6 states and 2599 transitions. [2024-11-24 01:46:08,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 520 transitions, 1368 flow [2024-11-24 01:46:08,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 520 transitions, 1368 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 01:46:08,642 INFO L231 Difference]: Finished difference. Result has 453 places, 473 transitions, 1154 flow [2024-11-24 01:46:08,643 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=506, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1154, PETRI_PLACES=453, PETRI_TRANSITIONS=473} [2024-11-24 01:46:08,643 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -37 predicate places. [2024-11-24 01:46:08,644 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 473 transitions, 1154 flow [2024-11-24 01:46:08,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 413.5) internal successors, (2481), 6 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:08,645 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:46:08,646 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:08,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:46:08,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-11-24 01:46:08,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:08,647 INFO L85 PathProgramCache]: Analyzing trace with hash -325899373, now seen corresponding path program 1 times [2024-11-24 01:46:08,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:46:08,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163251384] [2024-11-24 01:46:08,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:46:09,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:46:09,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163251384] [2024-11-24 01:46:09,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163251384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:46:09,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:46:09,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:46:09,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646537717] [2024-11-24 01:46:09,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:46:09,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:46:09,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:46:09,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:46:09,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:46:10,381 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 506 [2024-11-24 01:46:10,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 473 transitions, 1154 flow. Second operand has 6 states, 6 states have (on average 413.6666666666667) internal successors, (2482), 6 states have internal predecessors, (2482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:46:10,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:46:10,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 506 [2024-11-24 01:46:10,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:46:23,179 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1846] L699-3-->L700-2: Formula: (let ((.cse6 (+ 2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse7 (+ 3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse9 (select |v_#race_165| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse5 (+ |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 1))) (let ((.cse1 (select .cse9 .cse5)) (.cse4 (select |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse0 (select .cse9 .cse7)) (.cse2 (select .cse9 .cse6)) (.cse3 (select .cse9 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse8 (select |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|))) (or (and (= v_~next_alloc_idx~0_99 (+ 2 v_~next_alloc_idx~0_100)) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_107| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse1) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110| |v_#race~next_alloc_idx~0_113|) (<= v_~next_alloc_idx~0_100 64) (= .cse2 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse3) (= |v_#race_165| (store |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse4 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse7 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|))) (= (store |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse8 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| v_~next_alloc_idx~0_100)) |v_#memory_int_117|)) (and (= 0 |v_#race~next_alloc_idx~0_113|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse1) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_130|) (= (store |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse4 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse7 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|)) |v_#race_165|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse2) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse3) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_109| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110|) (< 64 v_~next_alloc_idx~0_100) (= v_~next_alloc_idx~0_99 v_~next_alloc_idx~0_100) (= |v_#memory_int_117| (store |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse8 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 0))))))) InVars {#race=|v_#race_166|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, #memory_int=|v_#memory_int_118|, ~next_alloc_idx~0=v_~next_alloc_idx~0_100, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|} OutVars{#race=|v_#race_165|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_13|, ~next_alloc_idx~0=v_~next_alloc_idx~0_99, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1_13|, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|, #memory_int=|v_#memory_int_117|, #race~next_alloc_idx~0=|v_#race~next_alloc_idx~0_113|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base_13|} AuxVars[|v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_107|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_130|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_109|] AssignedVars[#race, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset, ~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset, #memory_int, #race~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base][194], [493#true, 485#true, 26#L698-1true, 418#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 274#L700-2true, 491#true, 487#true, 489#true, 506#true, Black: 497#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0), Black: 500#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 3)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 495#true, Black: 498#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)), 335#L700-2true, Black: 499#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 379#L719-5true]) [2024-11-24 01:46:23,180 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is cut-off event [2024-11-24 01:46:23,180 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2024-11-24 01:46:23,180 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2024-11-24 01:46:23,180 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event