./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:51:28,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:51:28,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:51:28,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:51:28,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:51:28,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:51:28,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:51:28,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:51:28,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:51:28,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:51:28,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:51:28,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:51:28,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:51:28,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:51:28,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:51:28,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:51:28,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:51:28,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:51:28,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:51:28,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:51:28,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:51:28,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:51:28,139 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:51:28,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:51:28,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:51:28,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:51:28,139 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:51:28,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:51:28,140 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:51:28,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:51:28,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:51:28,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:28,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:51:28,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:51:28,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:28,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:51:28,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:51:28,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:51:28,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:51:28,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:51:28,143 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c [2024-11-27 19:51:28,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:51:28,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:51:28,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:51:28,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:51:28,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:51:28,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-11-27 19:51:31,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/data/1e633cd36/d3ec330733404d4f91162c7167f34673/FLAG13d88b909 [2024-11-27 19:51:31,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:51:31,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-11-27 19:51:31,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/data/1e633cd36/d3ec330733404d4f91162c7167f34673/FLAG13d88b909 [2024-11-27 19:51:31,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/data/1e633cd36/d3ec330733404d4f91162c7167f34673 [2024-11-27 19:51:31,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:51:31,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:51:31,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:51:31,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:51:31,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:51:31,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:51:31" (1/1) ... [2024-11-27 19:51:31,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc65eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:31, skipping insertion in model container [2024-11-27 19:51:31,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:51:31" (1/1) ... [2024-11-27 19:51:31,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:51:32,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:51:32,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:51:32,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:51:32,335 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:51:32,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32 WrapperNode [2024-11-27 19:51:32,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:51:32,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:51:32,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:51:32,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:51:32,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,415 INFO L138 Inliner]: procedures = 22, calls = 21, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 276 [2024-11-27 19:51:32,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:51:32,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:51:32,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:51:32,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:51:32,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,449 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:51:32,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:51:32,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:51:32,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:51:32,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (1/1) ... [2024-11-27 19:51:32,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:32,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:51:32,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:51:32,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:51:32,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:51:32,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 19:51:32,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 19:51:32,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 19:51:32,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 19:51:32,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 19:51:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 19:51:32,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-27 19:51:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-27 19:51:32,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:51:32,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-27 19:51:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-27 19:51:32,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-27 19:51:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-27 19:51:32,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:51:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:51:32,558 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:51:32,719 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:51:32,722 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:51:33,307 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:51:33,307 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:51:33,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:51:33,339 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 19:51:33,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:33 BoogieIcfgContainer [2024-11-27 19:51:33,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:51:33,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:51:33,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:51:33,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:51:33,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:51:31" (1/3) ... [2024-11-27 19:51:33,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6948a4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:33, skipping insertion in model container [2024-11-27 19:51:33,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:32" (2/3) ... [2024-11-27 19:51:33,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6948a4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:33, skipping insertion in model container [2024-11-27 19:51:33,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:33" (3/3) ... [2024-11-27 19:51:33,354 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-11-27 19:51:33,379 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:51:33,381 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier.wvr.c that has 7 procedures, 310 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2024-11-27 19:51:33,381 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:51:33,613 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-27 19:51:33,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 329 transitions, 724 flow [2024-11-27 19:51:33,926 INFO L124 PetriNetUnfolderBase]: 12/315 cut-off events. [2024-11-27 19:51:33,931 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-27 19:51:33,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 315 events. 12/315 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 566 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 272. Up to 3 conditions per place. [2024-11-27 19:51:33,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 336 places, 329 transitions, 724 flow [2024-11-27 19:51:33,959 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 298 transitions, 641 flow [2024-11-27 19:51:33,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:51:33,989 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;@40ce8951, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:51:33,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-27 19:51:34,014 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:51:34,014 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-27 19:51:34,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:51:34,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:34,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:34,016 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:34,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:34,028 INFO L85 PathProgramCache]: Analyzing trace with hash -555351477, now seen corresponding path program 1 times [2024-11-27 19:51:34,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:34,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889298620] [2024-11-27 19:51:34,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:34,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889298620] [2024-11-27 19:51:34,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889298620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:34,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:34,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:34,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432860141] [2024-11-27 19:51:34,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:34,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:34,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:34,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:34,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:34,460 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-11-27 19:51:34,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 298 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:34,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:34,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-11-27 19:51:34,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:34,948 INFO L124 PetriNetUnfolderBase]: 128/1152 cut-off events. [2024-11-27 19:51:34,950 INFO L125 PetriNetUnfolderBase]: For 198/209 co-relation queries the response was YES. [2024-11-27 19:51:34,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1617 conditions, 1152 events. 128/1152 cut-off events. For 198/209 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7125 event pairs, 88 based on Foata normal form. 104/1085 useless extension candidates. Maximal degree in co-relation 1465. Up to 215 conditions per place. [2024-11-27 19:51:34,970 INFO L140 encePairwiseOnDemand]: 323/333 looper letters, 22 selfloop transitions, 2 changer transitions 1/290 dead transitions. [2024-11-27 19:51:34,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 290 transitions, 673 flow [2024-11-27 19:51:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-11-27 19:51:34,996 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8998998998998999 [2024-11-27 19:51:34,999 INFO L175 Difference]: Start difference. First operand has 306 places, 298 transitions, 641 flow. Second operand 3 states and 899 transitions. [2024-11-27 19:51:35,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 290 transitions, 673 flow [2024-11-27 19:51:35,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 290 transitions, 644 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-11-27 19:51:35,022 INFO L231 Difference]: Finished difference. Result has 296 places, 289 transitions, 598 flow [2024-11-27 19:51:35,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=296, PETRI_TRANSITIONS=289} [2024-11-27 19:51:35,031 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -10 predicate places. [2024-11-27 19:51:35,032 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 289 transitions, 598 flow [2024-11-27 19:51:35,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:35,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:35,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:35,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:51:35,035 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:35,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:35,037 INFO L85 PathProgramCache]: Analyzing trace with hash -23279243, now seen corresponding path program 1 times [2024-11-27 19:51:35,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:35,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165065113] [2024-11-27 19:51:35,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:35,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:35,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:35,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165065113] [2024-11-27 19:51:35,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165065113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:35,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:35,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:35,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493599703] [2024-11-27 19:51:35,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:35,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:35,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:35,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:35,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:35,253 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-11-27 19:51:35,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 289 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:35,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:35,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-11-27 19:51:35,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:35,716 INFO L124 PetriNetUnfolderBase]: 152/1260 cut-off events. [2024-11-27 19:51:35,716 INFO L125 PetriNetUnfolderBase]: For 61/77 co-relation queries the response was YES. [2024-11-27 19:51:35,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 1260 events. 152/1260 cut-off events. For 61/77 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7958 event pairs, 88 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 1519. Up to 239 conditions per place. [2024-11-27 19:51:35,733 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 22 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-27 19:51:35,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 288 transitions, 644 flow [2024-11-27 19:51:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-11-27 19:51:35,737 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928928928928929 [2024-11-27 19:51:35,737 INFO L175 Difference]: Start difference. First operand has 296 places, 289 transitions, 598 flow. Second operand 3 states and 892 transitions. [2024-11-27 19:51:35,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 288 transitions, 644 flow [2024-11-27 19:51:35,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 288 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:35,750 INFO L231 Difference]: Finished difference. Result has 294 places, 288 transitions, 596 flow [2024-11-27 19:51:35,750 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=294, PETRI_TRANSITIONS=288} [2024-11-27 19:51:35,751 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -12 predicate places. [2024-11-27 19:51:35,751 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 288 transitions, 596 flow [2024-11-27 19:51:35,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:35,752 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:35,752 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:35,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:51:35,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:35,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:35,754 INFO L85 PathProgramCache]: Analyzing trace with hash 793117596, now seen corresponding path program 1 times [2024-11-27 19:51:35,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:35,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267740801] [2024-11-27 19:51:35,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:35,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:35,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267740801] [2024-11-27 19:51:35,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267740801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:35,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:35,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:35,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187867403] [2024-11-27 19:51:35,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:35,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:35,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:35,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:35,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:35,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-11-27 19:51:35,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 288 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:35,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:35,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-11-27 19:51:35,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:36,335 INFO L124 PetriNetUnfolderBase]: 128/927 cut-off events. [2024-11-27 19:51:36,335 INFO L125 PetriNetUnfolderBase]: For 47/53 co-relation queries the response was YES. [2024-11-27 19:51:36,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 927 events. 128/927 cut-off events. For 47/53 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5267 event pairs, 88 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 1162. Up to 215 conditions per place. [2024-11-27 19:51:36,348 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 22 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2024-11-27 19:51:36,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 287 transitions, 642 flow [2024-11-27 19:51:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-11-27 19:51:36,351 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928928928928929 [2024-11-27 19:51:36,351 INFO L175 Difference]: Start difference. First operand has 294 places, 288 transitions, 596 flow. Second operand 3 states and 892 transitions. [2024-11-27 19:51:36,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 287 transitions, 642 flow [2024-11-27 19:51:36,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 287 transitions, 638 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:36,364 INFO L231 Difference]: Finished difference. Result has 293 places, 287 transitions, 594 flow [2024-11-27 19:51:36,365 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=293, PETRI_TRANSITIONS=287} [2024-11-27 19:51:36,365 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -13 predicate places. [2024-11-27 19:51:36,365 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 287 transitions, 594 flow [2024-11-27 19:51:36,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:36,366 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:36,366 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:36,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:51:36,367 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:36,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:36,367 INFO L85 PathProgramCache]: Analyzing trace with hash -504514342, now seen corresponding path program 1 times [2024-11-27 19:51:36,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:36,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418063043] [2024-11-27 19:51:36,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:36,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:36,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:36,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418063043] [2024-11-27 19:51:36,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418063043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:36,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:36,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:36,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458957997] [2024-11-27 19:51:36,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:36,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:36,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:36,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:36,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:36,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-11-27 19:51:36,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 287 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:36,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:36,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-11-27 19:51:36,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:36,825 INFO L124 PetriNetUnfolderBase]: 152/950 cut-off events. [2024-11-27 19:51:36,825 INFO L125 PetriNetUnfolderBase]: For 76/86 co-relation queries the response was YES. [2024-11-27 19:51:36,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 950 events. 152/950 cut-off events. For 76/86 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5107 event pairs, 88 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1161. Up to 239 conditions per place. [2024-11-27 19:51:36,837 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 22 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2024-11-27 19:51:36,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 286 transitions, 640 flow [2024-11-27 19:51:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:36,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-11-27 19:51:36,842 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928928928928929 [2024-11-27 19:51:36,842 INFO L175 Difference]: Start difference. First operand has 293 places, 287 transitions, 594 flow. Second operand 3 states and 892 transitions. [2024-11-27 19:51:36,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 286 transitions, 640 flow [2024-11-27 19:51:36,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 286 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:36,848 INFO L231 Difference]: Finished difference. Result has 292 places, 286 transitions, 592 flow [2024-11-27 19:51:36,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=292, PETRI_TRANSITIONS=286} [2024-11-27 19:51:36,850 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -14 predicate places. [2024-11-27 19:51:36,851 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 286 transitions, 592 flow [2024-11-27 19:51:36,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 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) [2024-11-27 19:51:36,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:36,853 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:36,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:51:36,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:36,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash -791440260, now seen corresponding path program 1 times [2024-11-27 19:51:36,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:36,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881341418] [2024-11-27 19:51:36,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:37,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881341418] [2024-11-27 19:51:37,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881341418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:37,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:37,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:37,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139088927] [2024-11-27 19:51:37,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:37,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:37,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:37,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:37,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:37,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:37,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 286 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 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) [2024-11-27 19:51:37,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:37,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:37,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:37,405 INFO L124 PetriNetUnfolderBase]: 188/1432 cut-off events. [2024-11-27 19:51:37,405 INFO L125 PetriNetUnfolderBase]: For 53/101 co-relation queries the response was YES. [2024-11-27 19:51:37,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1878 conditions, 1432 events. 188/1432 cut-off events. For 53/101 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 9469 event pairs, 86 based on Foata normal form. 6/1208 useless extension candidates. Maximal degree in co-relation 1785. Up to 245 conditions per place. [2024-11-27 19:51:37,424 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-27 19:51:37,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 293 transitions, 677 flow [2024-11-27 19:51:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-27 19:51:37,427 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-11-27 19:51:37,428 INFO L175 Difference]: Start difference. First operand has 292 places, 286 transitions, 592 flow. Second operand 3 states and 905 transitions. [2024-11-27 19:51:37,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 293 transitions, 677 flow [2024-11-27 19:51:37,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 293 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:37,433 INFO L231 Difference]: Finished difference. Result has 291 places, 285 transitions, 590 flow [2024-11-27 19:51:37,434 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=291, PETRI_TRANSITIONS=285} [2024-11-27 19:51:37,435 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -15 predicate places. [2024-11-27 19:51:37,435 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 285 transitions, 590 flow [2024-11-27 19:51:37,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 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) [2024-11-27 19:51:37,436 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:37,436 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:37,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:51:37,436 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:37,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1574384374, now seen corresponding path program 1 times [2024-11-27 19:51:37,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:37,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145346413] [2024-11-27 19:51:37,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:37,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:37,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:37,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145346413] [2024-11-27 19:51:37,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145346413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:37,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:37,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:37,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103338238] [2024-11-27 19:51:37,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:37,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:37,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:37,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:37,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:37,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:37,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 285 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 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) [2024-11-27 19:51:37,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:37,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:37,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:37,925 INFO L124 PetriNetUnfolderBase]: 168/1075 cut-off events. [2024-11-27 19:51:37,926 INFO L125 PetriNetUnfolderBase]: For 54/69 co-relation queries the response was YES. [2024-11-27 19:51:37,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 1075 events. 168/1075 cut-off events. For 54/69 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6514 event pairs, 42 based on Foata normal form. 0/933 useless extension candidates. Maximal degree in co-relation 560. Up to 177 conditions per place. [2024-11-27 19:51:37,946 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 27 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-27 19:51:37,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 291 transitions, 671 flow [2024-11-27 19:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-27 19:51:37,949 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-11-27 19:51:37,950 INFO L175 Difference]: Start difference. First operand has 291 places, 285 transitions, 590 flow. Second operand 3 states and 905 transitions. [2024-11-27 19:51:37,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 291 transitions, 671 flow [2024-11-27 19:51:37,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 291 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:37,957 INFO L231 Difference]: Finished difference. Result has 289 places, 283 transitions, 588 flow [2024-11-27 19:51:37,958 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=289, PETRI_TRANSITIONS=283} [2024-11-27 19:51:37,958 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -17 predicate places. [2024-11-27 19:51:37,959 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 283 transitions, 588 flow [2024-11-27 19:51:37,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 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) [2024-11-27 19:51:37,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:37,960 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:37,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:51:37,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:37,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:37,961 INFO L85 PathProgramCache]: Analyzing trace with hash 585683060, now seen corresponding path program 1 times [2024-11-27 19:51:37,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:37,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292511616] [2024-11-27 19:51:37,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:37,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:38,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:38,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292511616] [2024-11-27 19:51:38,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292511616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:38,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:38,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:38,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952421431] [2024-11-27 19:51:38,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:38,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:38,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:38,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:38,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:38,135 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:38,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 283 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:38,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:38,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:38,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:38,486 INFO L124 PetriNetUnfolderBase]: 188/1215 cut-off events. [2024-11-27 19:51:38,486 INFO L125 PetriNetUnfolderBase]: For 70/113 co-relation queries the response was YES. [2024-11-27 19:51:38,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 1215 events. 188/1215 cut-off events. For 70/113 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7441 event pairs, 86 based on Foata normal form. 6/1039 useless extension candidates. Maximal degree in co-relation 1232. Up to 245 conditions per place. [2024-11-27 19:51:38,498 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-27 19:51:38,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 290 transitions, 672 flow [2024-11-27 19:51:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-27 19:51:38,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-11-27 19:51:38,501 INFO L175 Difference]: Start difference. First operand has 289 places, 283 transitions, 588 flow. Second operand 3 states and 905 transitions. [2024-11-27 19:51:38,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 290 transitions, 672 flow [2024-11-27 19:51:38,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 290 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:38,506 INFO L231 Difference]: Finished difference. Result has 288 places, 282 transitions, 584 flow [2024-11-27 19:51:38,507 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=288, PETRI_TRANSITIONS=282} [2024-11-27 19:51:38,507 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -18 predicate places. [2024-11-27 19:51:38,508 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 282 transitions, 584 flow [2024-11-27 19:51:38,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:38,508 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:38,508 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:38,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:51:38,509 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:38,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2141630952, now seen corresponding path program 1 times [2024-11-27 19:51:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733937860] [2024-11-27 19:51:38,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:38,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:38,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733937860] [2024-11-27 19:51:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733937860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:38,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751248989] [2024-11-27 19:51:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:38,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:38,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:38,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:38,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:38,620 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:38,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 282 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:38,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:38,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:38,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:38,925 INFO L124 PetriNetUnfolderBase]: 230/1189 cut-off events. [2024-11-27 19:51:38,925 INFO L125 PetriNetUnfolderBase]: For 94/110 co-relation queries the response was YES. [2024-11-27 19:51:38,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1643 conditions, 1189 events. 230/1189 cut-off events. For 94/110 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7384 event pairs, 86 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1093. Up to 275 conditions per place. [2024-11-27 19:51:38,945 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 30 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-27 19:51:38,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 290 transitions, 674 flow [2024-11-27 19:51:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-11-27 19:51:38,948 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-11-27 19:51:38,949 INFO L175 Difference]: Start difference. First operand has 288 places, 282 transitions, 584 flow. Second operand 3 states and 906 transitions. [2024-11-27 19:51:38,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 290 transitions, 674 flow [2024-11-27 19:51:38,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 290 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:38,955 INFO L231 Difference]: Finished difference. Result has 287 places, 281 transitions, 582 flow [2024-11-27 19:51:38,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=287, PETRI_TRANSITIONS=281} [2024-11-27 19:51:38,960 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -19 predicate places. [2024-11-27 19:51:38,960 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 281 transitions, 582 flow [2024-11-27 19:51:38,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:38,961 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:38,961 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:38,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:51:38,962 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:38,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:38,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1927689465, now seen corresponding path program 1 times [2024-11-27 19:51:38,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:38,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138412537] [2024-11-27 19:51:38,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:38,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:39,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:39,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138412537] [2024-11-27 19:51:39,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138412537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:39,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:39,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:39,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558262665] [2024-11-27 19:51:39,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:39,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:39,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:39,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:39,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:39,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:39,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 281 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:39,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:39,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:39,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:39,297 INFO L124 PetriNetUnfolderBase]: 168/966 cut-off events. [2024-11-27 19:51:39,298 INFO L125 PetriNetUnfolderBase]: For 58/64 co-relation queries the response was YES. [2024-11-27 19:51:39,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 966 events. 168/966 cut-off events. For 58/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5495 event pairs, 46 based on Foata normal form. 1/850 useless extension candidates. Maximal degree in co-relation 960. Up to 166 conditions per place. [2024-11-27 19:51:39,309 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 27 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2024-11-27 19:51:39,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 287 transitions, 662 flow [2024-11-27 19:51:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-27 19:51:39,312 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-11-27 19:51:39,312 INFO L175 Difference]: Start difference. First operand has 287 places, 281 transitions, 582 flow. Second operand 3 states and 905 transitions. [2024-11-27 19:51:39,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 287 transitions, 662 flow [2024-11-27 19:51:39,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 287 transitions, 658 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:39,318 INFO L231 Difference]: Finished difference. Result has 285 places, 279 transitions, 580 flow [2024-11-27 19:51:39,319 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=285, PETRI_TRANSITIONS=279} [2024-11-27 19:51:39,320 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -21 predicate places. [2024-11-27 19:51:39,322 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 279 transitions, 580 flow [2024-11-27 19:51:39,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:39,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:39,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:39,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:51:39,323 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:39,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash -410744278, now seen corresponding path program 1 times [2024-11-27 19:51:39,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:39,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053584544] [2024-11-27 19:51:39,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:39,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:39,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053584544] [2024-11-27 19:51:39,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053584544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:39,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:39,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:39,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423358834] [2024-11-27 19:51:39,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:39,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:39,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:39,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:39,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:39,471 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:39,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 279 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:39,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:39,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:39,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:39,749 INFO L124 PetriNetUnfolderBase]: 204/1211 cut-off events. [2024-11-27 19:51:39,749 INFO L125 PetriNetUnfolderBase]: For 82/102 co-relation queries the response was YES. [2024-11-27 19:51:39,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1630 conditions, 1211 events. 204/1211 cut-off events. For 82/102 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7378 event pairs, 59 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1124. Up to 182 conditions per place. [2024-11-27 19:51:39,762 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 28 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-11-27 19:51:39,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 286 transitions, 666 flow [2024-11-27 19:51:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-11-27 19:51:39,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-11-27 19:51:39,767 INFO L175 Difference]: Start difference. First operand has 285 places, 279 transitions, 580 flow. Second operand 3 states and 906 transitions. [2024-11-27 19:51:39,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 286 transitions, 666 flow [2024-11-27 19:51:39,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 286 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:39,775 INFO L231 Difference]: Finished difference. Result has 283 places, 277 transitions, 576 flow [2024-11-27 19:51:39,775 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2024-11-27 19:51:39,776 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -23 predicate places. [2024-11-27 19:51:39,777 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 576 flow [2024-11-27 19:51:39,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2024-11-27 19:51:39,778 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:39,778 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:39,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:51:39,779 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread6Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:39,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:39,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2001891337, now seen corresponding path program 1 times [2024-11-27 19:51:39,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:39,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562882906] [2024-11-27 19:51:39,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:39,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:39,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:39,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562882906] [2024-11-27 19:51:39,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562882906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:39,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:39,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:39,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061346397] [2024-11-27 19:51:39,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:39,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:39,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:39,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:39,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:39,915 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:39,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-27 19:51:39,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:39,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:39,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:40,156 INFO L124 PetriNetUnfolderBase]: 230/1008 cut-off events. [2024-11-27 19:51:40,156 INFO L125 PetriNetUnfolderBase]: For 112/122 co-relation queries the response was YES. [2024-11-27 19:51:40,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1427 conditions, 1008 events. 230/1008 cut-off events. For 112/122 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5531 event pairs, 104 based on Foata normal form. 0/816 useless extension candidates. Maximal degree in co-relation 1039. Up to 275 conditions per place. [2024-11-27 19:51:40,168 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 30 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-27 19:51:40,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 285 transitions, 665 flow [2024-11-27 19:51:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-11-27 19:51:40,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-11-27 19:51:40,172 INFO L175 Difference]: Start difference. First operand has 283 places, 277 transitions, 576 flow. Second operand 3 states and 906 transitions. [2024-11-27 19:51:40,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 285 transitions, 665 flow [2024-11-27 19:51:40,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 285 transitions, 659 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:40,178 INFO L231 Difference]: Finished difference. Result has 282 places, 276 transitions, 572 flow [2024-11-27 19:51:40,179 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=282, PETRI_TRANSITIONS=276} [2024-11-27 19:51:40,180 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -24 predicate places. [2024-11-27 19:51:40,180 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 276 transitions, 572 flow [2024-11-27 19:51:40,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-27 19:51:40,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:40,181 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:40,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:51:40,181 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread6Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:40,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:40,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1571888822, now seen corresponding path program 1 times [2024-11-27 19:51:40,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:40,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941816745] [2024-11-27 19:51:40,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:40,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:40,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:40,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941816745] [2024-11-27 19:51:40,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941816745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:40,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:40,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:40,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542147194] [2024-11-27 19:51:40,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:40,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:40,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:40,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:40,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:40,306 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:40,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 276 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-27 19:51:40,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:40,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:40,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:40,545 INFO L124 PetriNetUnfolderBase]: 204/985 cut-off events. [2024-11-27 19:51:40,545 INFO L125 PetriNetUnfolderBase]: For 112/122 co-relation queries the response was YES. [2024-11-27 19:51:40,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1381 conditions, 985 events. 204/985 cut-off events. For 112/122 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5382 event pairs, 51 based on Foata normal form. 0/835 useless extension candidates. Maximal degree in co-relation 606. Up to 171 conditions per place. [2024-11-27 19:51:40,553 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 28 selfloop transitions, 3 changer transitions 0/283 dead transitions. [2024-11-27 19:51:40,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 283 transitions, 657 flow [2024-11-27 19:51:40,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-11-27 19:51:40,555 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-11-27 19:51:40,555 INFO L175 Difference]: Start difference. First operand has 282 places, 276 transitions, 572 flow. Second operand 3 states and 906 transitions. [2024-11-27 19:51:40,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 283 transitions, 657 flow [2024-11-27 19:51:40,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 283 transitions, 653 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:40,561 INFO L231 Difference]: Finished difference. Result has 280 places, 274 transitions, 570 flow [2024-11-27 19:51:40,562 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=280, PETRI_TRANSITIONS=274} [2024-11-27 19:51:40,564 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -26 predicate places. [2024-11-27 19:51:40,564 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 274 transitions, 570 flow [2024-11-27 19:51:40,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-27 19:51:40,565 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:40,565 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:40,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:51:40,565 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:40,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:40,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1394444034, now seen corresponding path program 1 times [2024-11-27 19:51:40,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:40,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809769494] [2024-11-27 19:51:40,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:40,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:40,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:40,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809769494] [2024-11-27 19:51:40,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809769494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:40,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:40,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:40,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884293948] [2024-11-27 19:51:40,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:40,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:40,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:40,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:40,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:40,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:40,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 274 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-27 19:51:40,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:40,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:40,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:40,955 INFO L124 PetriNetUnfolderBase]: 188/1090 cut-off events. [2024-11-27 19:51:40,956 INFO L125 PetriNetUnfolderBase]: For 45/62 co-relation queries the response was YES. [2024-11-27 19:51:40,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1552 conditions, 1090 events. 188/1090 cut-off events. For 45/62 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6549 event pairs, 104 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 1219. Up to 245 conditions per place. [2024-11-27 19:51:40,967 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-27 19:51:40,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 281 transitions, 655 flow [2024-11-27 19:51:40,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-27 19:51:40,971 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-11-27 19:51:40,971 INFO L175 Difference]: Start difference. First operand has 280 places, 274 transitions, 570 flow. Second operand 3 states and 905 transitions. [2024-11-27 19:51:40,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 281 transitions, 655 flow [2024-11-27 19:51:40,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 281 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:40,976 INFO L231 Difference]: Finished difference. Result has 279 places, 273 transitions, 566 flow [2024-11-27 19:51:40,977 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=279, PETRI_TRANSITIONS=273} [2024-11-27 19:51:40,978 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -27 predicate places. [2024-11-27 19:51:40,978 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 273 transitions, 566 flow [2024-11-27 19:51:40,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-27 19:51:40,979 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:40,980 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:40,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 19:51:40,980 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread5Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:40,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:40,981 INFO L85 PathProgramCache]: Analyzing trace with hash 71281345, now seen corresponding path program 1 times [2024-11-27 19:51:40,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:40,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428252804] [2024-11-27 19:51:40,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:40,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:41,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:41,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428252804] [2024-11-27 19:51:41,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428252804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:41,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:41,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:41,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992353586] [2024-11-27 19:51:41,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:41,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:41,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:41,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:41,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:41,108 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:41,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 273 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:41,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:41,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:41,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:41,318 INFO L124 PetriNetUnfolderBase]: 188/930 cut-off events. [2024-11-27 19:51:41,318 INFO L125 PetriNetUnfolderBase]: For 65/71 co-relation queries the response was YES. [2024-11-27 19:51:41,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1348 conditions, 930 events. 188/930 cut-off events. For 65/71 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5205 event pairs, 104 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 992. Up to 245 conditions per place. [2024-11-27 19:51:41,326 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-27 19:51:41,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 280 transitions, 650 flow [2024-11-27 19:51:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-27 19:51:41,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-11-27 19:51:41,329 INFO L175 Difference]: Start difference. First operand has 279 places, 273 transitions, 566 flow. Second operand 3 states and 905 transitions. [2024-11-27 19:51:41,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 280 transitions, 650 flow [2024-11-27 19:51:41,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 280 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:41,334 INFO L231 Difference]: Finished difference. Result has 278 places, 272 transitions, 564 flow [2024-11-27 19:51:41,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=278, PETRI_TRANSITIONS=272} [2024-11-27 19:51:41,335 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -28 predicate places. [2024-11-27 19:51:41,335 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 272 transitions, 564 flow [2024-11-27 19:51:41,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:41,336 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:41,336 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:41,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 19:51:41,336 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:41,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:41,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1966884302, now seen corresponding path program 1 times [2024-11-27 19:51:41,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:41,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852288122] [2024-11-27 19:51:41,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:41,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:41,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852288122] [2024-11-27 19:51:41,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852288122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:41,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:41,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:41,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068834250] [2024-11-27 19:51:41,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:41,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:41,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:41,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:41,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:41,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:41,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 272 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:41,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:41,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:41,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:41,708 INFO L124 PetriNetUnfolderBase]: 230/1204 cut-off events. [2024-11-27 19:51:41,708 INFO L125 PetriNetUnfolderBase]: For 92/114 co-relation queries the response was YES. [2024-11-27 19:51:41,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1662 conditions, 1204 events. 230/1204 cut-off events. For 92/114 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7644 event pairs, 104 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 1225. Up to 275 conditions per place. [2024-11-27 19:51:41,720 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 26 selfloop transitions, 2 changer transitions 6/280 dead transitions. [2024-11-27 19:51:41,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 280 transitions, 654 flow [2024-11-27 19:51:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-11-27 19:51:41,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-11-27 19:51:41,723 INFO L175 Difference]: Start difference. First operand has 278 places, 272 transitions, 564 flow. Second operand 3 states and 906 transitions. [2024-11-27 19:51:41,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 280 transitions, 654 flow [2024-11-27 19:51:41,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 280 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:41,728 INFO L231 Difference]: Finished difference. Result has 277 places, 267 transitions, 552 flow [2024-11-27 19:51:41,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=277, PETRI_TRANSITIONS=267} [2024-11-27 19:51:41,730 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -29 predicate places. [2024-11-27 19:51:41,730 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 267 transitions, 552 flow [2024-11-27 19:51:41,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:41,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:41,732 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:41,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 19:51:41,732 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread6Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-27 19:51:41,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:41,733 INFO L85 PathProgramCache]: Analyzing trace with hash -577636098, now seen corresponding path program 1 times [2024-11-27 19:51:41,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:41,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479053019] [2024-11-27 19:51:41,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:41,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:41,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:41,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:41,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479053019] [2024-11-27 19:51:41,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479053019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:41,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:41,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:41,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956234617] [2024-11-27 19:51:41,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:41,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:41,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:41,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:41,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:41,840 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-11-27 19:51:41,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 267 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-27 19:51:41,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:41,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-11-27 19:51:41,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:42,083 INFO L124 PetriNetUnfolderBase]: 217/937 cut-off events. [2024-11-27 19:51:42,083 INFO L125 PetriNetUnfolderBase]: For 103/113 co-relation queries the response was YES. [2024-11-27 19:51:42,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1334 conditions, 937 events. 217/937 cut-off events. For 103/113 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5124 event pairs, 99 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 985. Up to 256 conditions per place. [2024-11-27 19:51:42,089 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 0 selfloop transitions, 0 changer transitions 275/275 dead transitions. [2024-11-27 19:51:42,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 275 transitions, 637 flow [2024-11-27 19:51:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-11-27 19:51:42,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9049049049049049 [2024-11-27 19:51:42,093 INFO L175 Difference]: Start difference. First operand has 277 places, 267 transitions, 552 flow. Second operand 3 states and 904 transitions. [2024-11-27 19:51:42,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 275 transitions, 637 flow [2024-11-27 19:51:42,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 275 transitions, 633 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:42,098 INFO L231 Difference]: Finished difference. Result has 273 places, 0 transitions, 0 flow [2024-11-27 19:51:42,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=273, PETRI_TRANSITIONS=0} [2024-11-27 19:51:42,099 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -33 predicate places. [2024-11-27 19:51:42,099 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 0 transitions, 0 flow [2024-11-27 19:51:42,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-27 19:51:42,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2024-11-27 19:51:42,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 46 remaining) [2024-11-27 19:51:42,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-27 19:51:42,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-27 19:51:42,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-27 19:51:42,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-27 19:51:42,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-27 19:51:42,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-11-27 19:51:42,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-27 19:51:42,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-27 19:51:42,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-27 19:51:42,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-27 19:51:42,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-27 19:51:42,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-27 19:51:42,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-27 19:51:42,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-27 19:51:42,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 19:51:42,109 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:42,115 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 19:51:42,115 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:51:42,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:51:42 BasicIcfg [2024-11-27 19:51:42,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:51:42,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:51:42,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:51:42,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:51:42,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:33" (3/4) ... [2024-11-27 19:51:42,126 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:51:42,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 19:51:42,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 19:51:42,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 19:51:42,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-27 19:51:42,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-27 19:51:42,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-11-27 19:51:42,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-27 19:51:42,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 19:51:42,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:51:42,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:51:42,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:51:42,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:51:42,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:51:42,227 INFO L158 Benchmark]: Toolchain (without parser) took 10298.71ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 91.5MB in the beginning and 217.0MB in the end (delta: -125.5MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2024-11-27 19:51:42,228 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:51:42,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.22ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.9MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:51:42,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.79ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:51:42,229 INFO L158 Benchmark]: Boogie Preprocessor took 52.48ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:51:42,231 INFO L158 Benchmark]: RCFGBuilder took 866.55ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 53.7MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:51:42,231 INFO L158 Benchmark]: TraceAbstraction took 8778.95ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 53.2MB in the beginning and 220.0MB in the end (delta: -166.8MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. [2024-11-27 19:51:42,231 INFO L158 Benchmark]: Witness Printer took 103.51ms. Allocated memory is still 335.5MB. Free memory was 220.0MB in the beginning and 217.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:51:42,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.22ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.9MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.79ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.48ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 866.55ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 53.7MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8778.95ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 53.2MB in the beginning and 220.0MB in the end (delta: -166.8MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. * Witness Printer took 103.51ms. Allocated memory is still 335.5MB. Free memory was 220.0MB in the beginning and 217.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 502 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.5s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 580 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 964 IncrementalHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 92 mSDtfsCounter, 964 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1784 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1768 ConstructedInterpolants, 0 QuantifiedInterpolants, 1800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 19:51:42,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b10554-9f30-4eb4-9671-afff42a8310e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE