./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/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_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 17:11:53,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:11:53,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:11:53,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:11:53,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:11:53,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:11:53,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:11:53,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:11:53,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:11:53,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:11:53,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:11:53,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:11:53,425 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:11:53,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:11:53,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:11:53,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:11:53,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:11:53,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:11:53,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:11:53,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:11:53,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:11:53,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:11:53,433 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:11:53,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:11:53,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:11:53,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:11:53,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:11:53,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:11:53,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:11:53,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:11:53,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:11:53,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:53,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:11:53,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:11:53,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:11:53,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:11:53,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:11:53,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:11:53,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:11:53,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:11:53,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:11:53,446 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 [2024-11-08 17:11:53,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:11:53,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:11:53,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:11:53,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:11:53,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:11:53,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i Unable to find full path for "g++" [2024-11-08 17:11:56,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:11:56,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:11:56,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2024-11-08 17:11:56,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/data/8570b06e5/0a96684f8ecb4d809b81a5d7ee2d40dc/FLAGb45ac8cdd [2024-11-08 17:11:57,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/data/8570b06e5/0a96684f8ecb4d809b81a5d7ee2d40dc [2024-11-08 17:11:57,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:11:57,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:11:57,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:57,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:11:57,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:11:57,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:57" (1/1) ... [2024-11-08 17:11:57,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5862d589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:57, skipping insertion in model container [2024-11-08 17:11:57,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:57" (1/1) ... [2024-11-08 17:11:57,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:11:57,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:57,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:11:57,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:58,051 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:11:58,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58 WrapperNode [2024-11-08 17:11:58,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:58,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:58,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:11:58,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:11:58,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,156 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 199 [2024-11-08 17:11:58,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:58,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:11:58,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:11:58,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:11:58,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:11:58,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:11:58,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:11:58,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:11:58,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (1/1) ... [2024-11-08 17:11:58,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:58,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:11:58,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:11:58,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab97d16-5340-4927-be9a-a837cd94cbea/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:11:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 17:11:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 17:11:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 17:11:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 17:11:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:11:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:11:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:11:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:11:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:11:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:11:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:11:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:11:58,394 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:11:58,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:11:58,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:11:59,247 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:11:59,247 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:11:59,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:11:59,379 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:11:59,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:59 BoogieIcfgContainer [2024-11-08 17:11:59,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:11:59,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:11:59,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:11:59,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:11:59,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:11:57" (1/3) ... [2024-11-08 17:11:59,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106b1a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:59, skipping insertion in model container [2024-11-08 17:11:59,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:58" (2/3) ... [2024-11-08 17:11:59,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106b1a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:59, skipping insertion in model container [2024-11-08 17:11:59,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:59" (3/3) ... [2024-11-08 17:11:59,389 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur-race.i [2024-11-08 17:11:59,409 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:11:59,409 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-11-08 17:11:59,409 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:11:59,509 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 17:11:59,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 199 transitions, 402 flow [2024-11-08 17:11:59,708 INFO L124 PetriNetUnfolderBase]: 8/208 cut-off events. [2024-11-08 17:11:59,712 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:11:59,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 208 events. 8/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 139 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 114. Up to 4 conditions per place. [2024-11-08 17:11:59,723 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 199 transitions, 402 flow [2024-11-08 17:11:59,733 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 199 transitions, 402 flow [2024-11-08 17:11:59,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:11:59,762 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;@7fe0177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:11:59,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-08 17:11:59,809 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:11:59,809 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2024-11-08 17:11:59,809 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:11:59,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:11:59,813 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 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] [2024-11-08 17:11:59,814 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)] === [2024-11-08 17:11:59,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:59,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1328765109, now seen corresponding path program 1 times [2024-11-08 17:11:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:59,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327486761] [2024-11-08 17:11:59,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:59,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:00,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:12:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:00,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:12:00,234 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:12:00,236 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2024-11-08 17:12:00,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-08 17:12:00,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-08 17:12:00,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-08 17:12:00,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-08 17:12:00,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-08 17:12:00,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-08 17:12:00,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-08 17:12:00,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-08 17:12:00,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-08 17:12:00,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-08 17:12:00,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-08 17:12:00,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-08 17:12:00,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-08 17:12:00,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-08 17:12:00,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-08 17:12:00,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-08 17:12:00,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2024-11-08 17:12:00,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2024-11-08 17:12:00,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-08 17:12:00,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-08 17:12:00,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-08 17:12:00,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-08 17:12:00,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-08 17:12:00,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-08 17:12:00,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-08 17:12:00,252 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-08 17:12:00,253 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-08 17:12:00,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-08 17:12:00,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-08 17:12:00,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-08 17:12:00,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:12:00,257 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:12:00,266 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 17:12:00,266 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 17:12:00,406 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 17:12:00,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 295 places, 303 transitions, 616 flow [2024-11-08 17:12:00,523 INFO L124 PetriNetUnfolderBase]: 15/323 cut-off events. [2024-11-08 17:12:00,523 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 17:12:00,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 323 events. 15/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 583 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 217. Up to 6 conditions per place. [2024-11-08 17:12:00,529 INFO L82 GeneralOperation]: Start removeDead. Operand has 295 places, 303 transitions, 616 flow [2024-11-08 17:12:00,535 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 295 places, 303 transitions, 616 flow [2024-11-08 17:12:00,536 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:12:00,538 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;@7fe0177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:12:00,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-08 17:12:00,556 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:12:00,557 INFO L124 PetriNetUnfolderBase]: 4/120 cut-off events. [2024-11-08 17:12:00,557 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:12:00,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:00,557 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:00,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 17:12:00,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:00,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1588960978, now seen corresponding path program 1 times [2024-11-08 17:12:00,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:00,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750520270] [2024-11-08 17:12:00,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:00,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:12:00,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:00,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750520270] [2024-11-08 17:12:00,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750520270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:00,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:00,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 17:12:00,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302258853] [2024-11-08 17:12:00,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:00,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:12:00,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:00,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:12:00,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:12:00,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 303 [2024-11-08 17:12:00,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 303 transitions, 616 flow. Second operand has 2 states, 2 states have (on average 270.0) internal successors, (540), 2 states have internal predecessors, (540), 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) [2024-11-08 17:12:00,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:12:00,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 303 [2024-11-08 17:12:00,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:12:01,120 INFO L124 PetriNetUnfolderBase]: 22/578 cut-off events. [2024-11-08 17:12:01,120 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-08 17:12:01,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 578 events. 22/578 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1986 event pairs, 12 based on Foata normal form. 52/565 useless extension candidates. Maximal degree in co-relation 188. Up to 33 conditions per place. [2024-11-08 17:12:01,129 INFO L140 encePairwiseOnDemand]: 279/303 looper letters, 8 selfloop transitions, 0 changer transitions 0/268 dead transitions. [2024-11-08 17:12:01,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 268 transitions, 562 flow [2024-11-08 17:12:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:12:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-08 17:12:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 570 transitions. [2024-11-08 17:12:01,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9405940594059405 [2024-11-08 17:12:01,151 INFO L175 Difference]: Start difference. First operand has 295 places, 303 transitions, 616 flow. Second operand 2 states and 570 transitions. [2024-11-08 17:12:01,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 268 transitions, 562 flow [2024-11-08 17:12:01,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 268 transitions, 562 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:12:01,205 INFO L231 Difference]: Finished difference. Result has 270 places, 268 transitions, 546 flow [2024-11-08 17:12:01,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=546, PETRI_PLACES=270, PETRI_TRANSITIONS=268} [2024-11-08 17:12:01,213 INFO L277 CegarLoopForPetriNet]: 295 programPoint places, -25 predicate places. [2024-11-08 17:12:01,214 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 268 transitions, 546 flow [2024-11-08 17:12:01,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 270.0) internal successors, (540), 2 states have internal predecessors, (540), 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) [2024-11-08 17:12:01,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:01,216 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 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] [2024-11-08 17:12:01,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:12:01,216 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)] === [2024-11-08 17:12:01,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash -208663823, now seen corresponding path program 1 times [2024-11-08 17:12:01,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:01,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425046467] [2024-11-08 17:12:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:01,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:12:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:01,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:12:01,384 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:12:01,384 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2024-11-08 17:12:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-08 17:12:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-08 17:12:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-08 17:12:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-08 17:12:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-08 17:12:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-08 17:12:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-08 17:12:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-08 17:12:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-08 17:12:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-08 17:12:01,390 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-08 17:12:01,390 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-08 17:12:01,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-08 17:12:01,391 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-08 17:12:01,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-08 17:12:01,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-08 17:12:01,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-08 17:12:01,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-08 17:12:01,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-08 17:12:01,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-08 17:12:01,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-08 17:12:01,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-08 17:12:01,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-08 17:12:01,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-08 17:12:01,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-08 17:12:01,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-08 17:12:01,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-11-08 17:12:01,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-11-08 17:12:01,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-11-08 17:12:01,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-08 17:12:01,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-08 17:12:01,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-08 17:12:01,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-08 17:12:01,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-08 17:12:01,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-08 17:12:01,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-08 17:12:01,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-08 17:12:01,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-08 17:12:01,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-08 17:12:01,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-08 17:12:01,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-08 17:12:01,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-08 17:12:01,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-08 17:12:01,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-08 17:12:01,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-08 17:12:01,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:12:01,402 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:12:01,403 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 17:12:01,403 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-08 17:12:01,527 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 17:12:01,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 407 transitions, 832 flow [2024-11-08 17:12:01,677 INFO L124 PetriNetUnfolderBase]: 22/438 cut-off events. [2024-11-08 17:12:01,677 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-08 17:12:01,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 438 events. 22/438 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1201 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 327. Up to 8 conditions per place. [2024-11-08 17:12:01,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 395 places, 407 transitions, 832 flow [2024-11-08 17:12:01,696 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 395 places, 407 transitions, 832 flow [2024-11-08 17:12:01,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:12:01,698 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;@7fe0177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:12:01,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-08 17:12:01,713 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:12:01,713 INFO L124 PetriNetUnfolderBase]: 5/124 cut-off events. [2024-11-08 17:12:01,713 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:12:01,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:01,714 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:01,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-08 17:12:01,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:01,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1058052578, now seen corresponding path program 1 times [2024-11-08 17:12:01,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:01,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627380236] [2024-11-08 17:12:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:12:01,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:01,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627380236] [2024-11-08 17:12:01,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627380236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:01,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:01,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 17:12:01,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609526261] [2024-11-08 17:12:01,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:01,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:12:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:01,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:12:01,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:12:01,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 407 [2024-11-08 17:12:01,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 407 transitions, 832 flow. Second operand has 2 states, 2 states have (on average 358.0) internal successors, (716), 2 states have internal predecessors, (716), 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) [2024-11-08 17:12:01,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:12:01,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 407 [2024-11-08 17:12:01,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:12:02,817 INFO L124 PetriNetUnfolderBase]: 150/2206 cut-off events. [2024-11-08 17:12:02,817 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-11-08 17:12:02,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2481 conditions, 2206 events. 150/2206 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 15978 event pairs, 108 based on Foata normal form. 284/2209 useless extension candidates. Maximal degree in co-relation 620. Up to 193 conditions per place. [2024-11-08 17:12:02,861 INFO L140 encePairwiseOnDemand]: 372/407 looper letters, 12 selfloop transitions, 0 changer transitions 0/357 dead transitions. [2024-11-08 17:12:02,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 357 transitions, 756 flow [2024-11-08 17:12:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:12:02,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-08 17:12:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 761 transitions. [2024-11-08 17:12:02,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348894348894349 [2024-11-08 17:12:02,865 INFO L175 Difference]: Start difference. First operand has 395 places, 407 transitions, 832 flow. Second operand 2 states and 761 transitions. [2024-11-08 17:12:02,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 357 transitions, 756 flow [2024-11-08 17:12:02,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 357 transitions, 754 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-08 17:12:02,880 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 730 flow [2024-11-08 17:12:02,881 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=730, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2024-11-08 17:12:02,882 INFO L277 CegarLoopForPetriNet]: 395 programPoint places, -36 predicate places. [2024-11-08 17:12:02,883 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 730 flow [2024-11-08 17:12:02,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 358.0) internal successors, (716), 2 states have internal predecessors, (716), 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) [2024-11-08 17:12:02,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:02,887 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:02,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:12:02,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-08 17:12:02,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:02,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1926376725, now seen corresponding path program 1 times [2024-11-08 17:12:02,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:02,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028621344] [2024-11-08 17:12:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:02,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:12:03,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:03,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028621344] [2024-11-08 17:12:03,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028621344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:03,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:03,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:12:03,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141362484] [2024-11-08 17:12:03,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:03,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:12:03,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:12:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:12:04,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 407 [2024-11-08 17:12:04,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 730 flow. Second operand has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 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) [2024-11-08 17:12:04,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:12:04,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 407 [2024-11-08 17:12:04,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:12:09,424 INFO L124 PetriNetUnfolderBase]: 2239/17142 cut-off events. [2024-11-08 17:12:09,424 INFO L125 PetriNetUnfolderBase]: For 784/784 co-relation queries the response was YES. [2024-11-08 17:12:09,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21154 conditions, 17142 events. 2239/17142 cut-off events. For 784/784 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 224690 event pairs, 537 based on Foata normal form. 0/14914 useless extension candidates. Maximal degree in co-relation 21148. Up to 1825 conditions per place. [2024-11-08 17:12:09,816 INFO L140 encePairwiseOnDemand]: 380/407 looper letters, 74 selfloop transitions, 29 changer transitions 0/420 dead transitions. [2024-11-08 17:12:09,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 420 transitions, 1102 flow [2024-11-08 17:12:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:12:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:12:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2081 transitions. [2024-11-08 17:12:09,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8521703521703522 [2024-11-08 17:12:09,824 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 730 flow. Second operand 6 states and 2081 transitions. [2024-11-08 17:12:09,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 420 transitions, 1102 flow [2024-11-08 17:12:09,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 420 transitions, 1102 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:12:09,841 INFO L231 Difference]: Finished difference. Result has 369 places, 385 transitions, 954 flow [2024-11-08 17:12:09,842 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=954, PETRI_PLACES=369, PETRI_TRANSITIONS=385} [2024-11-08 17:12:09,843 INFO L277 CegarLoopForPetriNet]: 395 programPoint places, -26 predicate places. [2024-11-08 17:12:09,843 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 385 transitions, 954 flow [2024-11-08 17:12:09,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 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) [2024-11-08 17:12:09,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:09,846 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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] [2024-11-08 17:12:09,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:12:09,847 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)] === [2024-11-08 17:12:09,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:09,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1941003760, now seen corresponding path program 1 times [2024-11-08 17:12:09,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:09,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792858789] [2024-11-08 17:12:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:09,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:09,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:12:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:12:09,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:12:09,976 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:12:09,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2024-11-08 17:12:09,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-08 17:12:09,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-08 17:12:09,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-08 17:12:09,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-08 17:12:09,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-08 17:12:09,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-08 17:12:09,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-08 17:12:09,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-08 17:12:09,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-08 17:12:09,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-08 17:12:09,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-08 17:12:09,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-08 17:12:09,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-08 17:12:09,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-08 17:12:09,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-08 17:12:09,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-08 17:12:09,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-08 17:12:09,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-08 17:12:09,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-08 17:12:09,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-08 17:12:09,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-08 17:12:09,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-08 17:12:09,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-08 17:12:09,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-08 17:12:09,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-08 17:12:09,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-08 17:12:09,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-08 17:12:09,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-08 17:12:09,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-08 17:12:09,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-08 17:12:09,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-08 17:12:09,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-08 17:12:09,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-08 17:12:09,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-08 17:12:09,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-11-08 17:12:09,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-11-08 17:12:09,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-11-08 17:12:09,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-11-08 17:12:09,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-08 17:12:09,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-08 17:12:09,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-08 17:12:09,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-08 17:12:09,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-08 17:12:09,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-08 17:12:09,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-08 17:12:09,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-08 17:12:09,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-08 17:12:09,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-08 17:12:09,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-08 17:12:09,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-08 17:12:09,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-08 17:12:09,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-08 17:12:09,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-08 17:12:09,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-08 17:12:09,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-08 17:12:09,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-08 17:12:09,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-08 17:12:09,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-08 17:12:09,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-08 17:12:09,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-08 17:12:09,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:12:09,997 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 17:12:09,998 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 17:12:09,998 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-08 17:12:10,173 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 17:12:10,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 495 places, 511 transitions, 1050 flow [2024-11-08 17:12:10,455 INFO L124 PetriNetUnfolderBase]: 29/553 cut-off events. [2024-11-08 17:12:10,456 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-08 17:12:10,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 553 events. 29/553 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1868 event pairs, 0 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 446. Up to 10 conditions per place. [2024-11-08 17:12:10,472 INFO L82 GeneralOperation]: Start removeDead. Operand has 495 places, 511 transitions, 1050 flow [2024-11-08 17:12:10,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 495 places, 511 transitions, 1050 flow [2024-11-08 17:12:10,487 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:12:10,488 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;@7fe0177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:12:10,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-11-08 17:12:10,506 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:12:10,507 INFO L124 PetriNetUnfolderBase]: 4/120 cut-off events. [2024-11-08 17:12:10,507 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:12:10,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:10,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:10,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-11-08 17:12:10,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:10,509 INFO L85 PathProgramCache]: Analyzing trace with hash -16010687, now seen corresponding path program 1 times [2024-11-08 17:12:10,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:10,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168242573] [2024-11-08 17:12:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:12:10,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:10,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168242573] [2024-11-08 17:12:10,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168242573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:10,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:10,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 17:12:10,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235056796] [2024-11-08 17:12:10,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:10,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:12:10,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:10,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:12:10,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:12:10,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 511 [2024-11-08 17:12:10,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 511 transitions, 1050 flow. Second operand has 2 states, 2 states have (on average 446.0) internal successors, (892), 2 states have internal predecessors, (892), 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) [2024-11-08 17:12:10,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:12:10,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 511 [2024-11-08 17:12:10,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:12:14,464 INFO L124 PetriNetUnfolderBase]: 854/8910 cut-off events. [2024-11-08 17:12:14,465 INFO L125 PetriNetUnfolderBase]: For 1133/1133 co-relation queries the response was YES. [2024-11-08 17:12:14,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10338 conditions, 8910 events. 854/8910 cut-off events. For 1133/1133 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 95144 event pairs, 684 based on Foata normal form. 1466/9230 useless extension candidates. Maximal degree in co-relation 2460. Up to 1025 conditions per place. [2024-11-08 17:12:14,656 INFO L140 encePairwiseOnDemand]: 465/511 looper letters, 16 selfloop transitions, 0 changer transitions 0/446 dead transitions. [2024-11-08 17:12:14,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 446 transitions, 952 flow [2024-11-08 17:12:14,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:12:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-08 17:12:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 952 transitions. [2024-11-08 17:12:14,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9315068493150684 [2024-11-08 17:12:14,661 INFO L175 Difference]: Start difference. First operand has 495 places, 511 transitions, 1050 flow. Second operand 2 states and 952 transitions. [2024-11-08 17:12:14,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 446 transitions, 952 flow [2024-11-08 17:12:14,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 446 transitions, 946 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-08 17:12:14,677 INFO L231 Difference]: Finished difference. Result has 448 places, 446 transitions, 914 flow [2024-11-08 17:12:14,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=914, PETRI_PLACES=448, PETRI_TRANSITIONS=446} [2024-11-08 17:12:14,679 INFO L277 CegarLoopForPetriNet]: 495 programPoint places, -47 predicate places. [2024-11-08 17:12:14,679 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 446 transitions, 914 flow [2024-11-08 17:12:14,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 446.0) internal successors, (892), 2 states have internal predecessors, (892), 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) [2024-11-08 17:12:14,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:14,681 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:14,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:12:14,682 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-11-08 17:12:14,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:14,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1768735158, now seen corresponding path program 1 times [2024-11-08 17:12:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:14,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672120531] [2024-11-08 17:12:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:12:15,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:15,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672120531] [2024-11-08 17:12:15,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672120531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:15,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:15,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:12:15,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271168336] [2024-11-08 17:12:15,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:15,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:12:15,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:15,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:12:15,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:12:16,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 511 [2024-11-08 17:12:17,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 446 transitions, 914 flow. Second operand has 6 states, 6 states have (on average 418.5) internal successors, (2511), 6 states have internal predecessors, (2511), 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) [2024-11-08 17:12:17,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:12:17,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 511 [2024-11-08 17:12:17,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:12:45,791 INFO L124 PetriNetUnfolderBase]: 15913/86386 cut-off events. [2024-11-08 17:12:45,792 INFO L125 PetriNetUnfolderBase]: For 4105/4105 co-relation queries the response was YES. [2024-11-08 17:12:47,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110502 conditions, 86386 events. 15913/86386 cut-off events. For 4105/4105 co-relation queries the response was YES. Maximal size of possible extension queue 1624. Compared 1345554 event pairs, 3148 based on Foata normal form. 0/75877 useless extension candidates. Maximal degree in co-relation 110495. Up to 13130 conditions per place. [2024-11-08 17:12:48,656 INFO L140 encePairwiseOnDemand]: 483/511 looper letters, 90 selfloop transitions, 33 changer transitions 0/525 dead transitions. [2024-11-08 17:12:48,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 525 transitions, 1378 flow [2024-11-08 17:12:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:12:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:12:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2629 transitions. [2024-11-08 17:12:48,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8574690150032616 [2024-11-08 17:12:48,665 INFO L175 Difference]: Start difference. First operand has 448 places, 446 transitions, 914 flow. Second operand 6 states and 2629 transitions. [2024-11-08 17:12:48,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 525 transitions, 1378 flow [2024-11-08 17:12:48,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 525 transitions, 1378 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:12:48,690 INFO L231 Difference]: Finished difference. Result has 458 places, 478 transitions, 1164 flow [2024-11-08 17:12:48,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1164, PETRI_PLACES=458, PETRI_TRANSITIONS=478} [2024-11-08 17:12:48,695 INFO L277 CegarLoopForPetriNet]: 495 programPoint places, -37 predicate places. [2024-11-08 17:12:48,696 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 478 transitions, 1164 flow [2024-11-08 17:12:48,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.5) internal successors, (2511), 6 states have internal predecessors, (2511), 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) [2024-11-08 17:12:48,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:12:48,699 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 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, 1] [2024-11-08 17:12:48,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:12:48,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-11-08 17:12:48,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:48,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1623707584, now seen corresponding path program 1 times [2024-11-08 17:12:48,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:48,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152800165] [2024-11-08 17:12:48,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:12:49,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:49,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152800165] [2024-11-08 17:12:49,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152800165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:49,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:49,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:12:49,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092235884] [2024-11-08 17:12:49,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:49,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:12:49,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:49,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:12:49,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:12:51,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 511 [2024-11-08 17:12:51,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 478 transitions, 1164 flow. Second operand has 6 states, 6 states have (on average 418.6666666666667) internal successors, (2512), 6 states have internal predecessors, (2512), 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) [2024-11-08 17:12:51,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:12:51,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 511 [2024-11-08 17:12:51,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:13:11,550 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1862] 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][218], [26#L698-1true, 511#true, 492#true, 494#true, 490#true, 274#L700-2true, 498#true, 496#true, 500#true, 420#L719-6true, 421#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 335#L700-2true, Black: 503#(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)), Black: 504#(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)), Black: 505#(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)), Black: 502#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)]) [2024-11-08 17:13:11,551 INFO L294 olderBase$Statistics]: this new event has 196 ancestors and is cut-off event [2024-11-08 17:13:11,551 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2024-11-08 17:13:11,551 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2024-11-08 17:13:11,552 INFO L297 olderBase$Statistics]: existing Event has 196 ancestors and is cut-off event