./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/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_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/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_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:43:15,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:43:15,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:43:15,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:43:15,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:43:15,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:43:15,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:43:15,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:43:15,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:43:15,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:43:15,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:43:15,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:43:15,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:43:15,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:43:15,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:43:15,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:43:15,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:43:15,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:43:15,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:43:15,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:43:15,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:43:15,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:43:15,279 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:43:15,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:15,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:15,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:15,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:43:15,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:15,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:15,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:15,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:43:15,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:43:15,280 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:43:15,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:43:15,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:43:15,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:43:15,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:43:15,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:43:15,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:43:15,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:43:15,281 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_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/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 -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-11-28 04:43:15,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:43:15,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:43:15,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:43:15,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:43:15,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:43:15,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-28 04:43:19,596 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/data/6415c6dc8/10a4917a57654673ab4f11c9545f690d/FLAGf8251900f [2024-11-28 04:43:20,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:43:20,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-28 04:43:20,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/data/6415c6dc8/10a4917a57654673ab4f11c9545f690d/FLAGf8251900f [2024-11-28 04:43:20,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/data/6415c6dc8/10a4917a57654673ab4f11c9545f690d [2024-11-28 04:43:20,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:43:20,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:43:20,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:20,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:43:20,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:43:20,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:20" (1/1) ... [2024-11-28 04:43:20,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6753d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20, skipping insertion in model container [2024-11-28 04:43:20,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:20" (1/1) ... [2024-11-28 04:43:20,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:43:20,917 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:20,918 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:20,919 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:20,921 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:20,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:21,021 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:43:21,092 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:21,093 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:21,095 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:21,096 WARN L1675 CHandler]: Possible shadowing of function new [2024-11-28 04:43:21,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:21,222 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:43:21,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21 WrapperNode [2024-11-28 04:43:21,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:21,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:21,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:43:21,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:43:21,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,361 INFO L138 Inliner]: procedures = 279, calls = 120, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 372 [2024-11-28 04:43:21,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:21,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:43:21,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:43:21,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:43:21,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:43:21,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:43:21,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:43:21,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:43:21,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (1/1) ... [2024-11-28 04:43:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:21,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:21,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:43:21,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:43:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:43:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:43:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 04:43:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 04:43:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 04:43:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:43:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:43:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:43:21,624 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:43:21,912 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:43:21,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:43:23,253 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:43:23,253 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:43:23,324 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:43:23,325 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-28 04:43:23,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:23 BoogieIcfgContainer [2024-11-28 04:43:23,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:43:23,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:43:23,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:43:23,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:43:23,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:43:20" (1/3) ... [2024-11-28 04:43:23,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bba58d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:23, skipping insertion in model container [2024-11-28 04:43:23,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:21" (2/3) ... [2024-11-28 04:43:23,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bba58d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:23, skipping insertion in model container [2024-11-28 04:43:23,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:23" (3/3) ... [2024-11-28 04:43:23,349 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-11-28 04:43:23,371 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:43:23,373 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_91-arrayloop2_racefree.i that has 2 procedures, 383 locations, 1 initial locations, 11 loop locations, and 19 error locations. [2024-11-28 04:43:23,374 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:43:23,600 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 04:43:23,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 408 transitions, 823 flow [2024-11-28 04:43:24,064 INFO L124 PetriNetUnfolderBase]: 27/440 cut-off events. [2024-11-28 04:43:24,069 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:43:24,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 440 events. 27/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 951 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 255. Up to 4 conditions per place. [2024-11-28 04:43:24,087 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 408 transitions, 823 flow [2024-11-28 04:43:24,103 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 408 transitions, 823 flow [2024-11-28 04:43:24,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:43:24,146 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;@39c51122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:43:24,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-28 04:43:24,190 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:43:24,191 INFO L124 PetriNetUnfolderBase]: 3/123 cut-off events. [2024-11-28 04:43:24,191 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:43:24,191 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:24,192 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] [2024-11-28 04:43:24,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:24,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:24,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2016042225, now seen corresponding path program 1 times [2024-11-28 04:43:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:24,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967260303] [2024-11-28 04:43:24,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:26,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:26,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967260303] [2024-11-28 04:43:26,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967260303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:26,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:26,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:26,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554667738] [2024-11-28 04:43:26,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:26,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:26,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:26,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:26,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:27,428 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-28 04:43:27,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 408 transitions, 823 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:27,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:27,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-28 04:43:27,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:28,065 INFO L124 PetriNetUnfolderBase]: 319/1602 cut-off events. [2024-11-28 04:43:28,066 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-28 04:43:28,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1602 events. 319/1602 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10032 event pairs, 288 based on Foata normal form. 182/1654 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-11-28 04:43:28,083 INFO L140 encePairwiseOnDemand]: 377/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/385 dead transitions. [2024-11-28 04:43:28,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 957 flow [2024-11-28 04:43:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-28 04:43:28,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2024-11-28 04:43:28,123 INFO L175 Difference]: Start difference. First operand has 386 places, 408 transitions, 823 flow. Second operand 6 states and 1887 transitions. [2024-11-28 04:43:28,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 957 flow [2024-11-28 04:43:28,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 957 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:28,154 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 797 flow [2024-11-28 04:43:28,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-11-28 04:43:28,166 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-28 04:43:28,167 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 797 flow [2024-11-28 04:43:28,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:28,170 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:28,170 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] [2024-11-28 04:43:28,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:43:28,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:28,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:28,173 INFO L85 PathProgramCache]: Analyzing trace with hash 690111628, now seen corresponding path program 1 times [2024-11-28 04:43:28,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:28,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748789] [2024-11-28 04:43:28,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:28,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:28,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:28,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748789] [2024-11-28 04:43:28,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:28,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:28,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:28,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120745975] [2024-11-28 04:43:28,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:28,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:28,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:28,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:28,448 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-28 04:43:28,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:28,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:28,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-28 04:43:28,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:28,694 INFO L124 PetriNetUnfolderBase]: 15/565 cut-off events. [2024-11-28 04:43:28,695 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-28 04:43:28,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 565 events. 15/565 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1668 event pairs, 8 based on Foata normal form. 1/522 useless extension candidates. Maximal degree in co-relation 402. Up to 34 conditions per place. [2024-11-28 04:43:28,699 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-28 04:43:28,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 833 flow [2024-11-28 04:43:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-28 04:43:28,708 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-28 04:43:28,709 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 797 flow. Second operand 3 states and 1134 transitions. [2024-11-28 04:43:28,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 833 flow [2024-11-28 04:43:28,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 813 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:28,726 INFO L231 Difference]: Finished difference. Result has 385 places, 386 transitions, 789 flow [2024-11-28 04:43:28,727 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=385, PETRI_TRANSITIONS=386} [2024-11-28 04:43:28,728 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-28 04:43:28,728 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 386 transitions, 789 flow [2024-11-28 04:43:28,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:28,730 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:28,730 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] [2024-11-28 04:43:28,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:43:28,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:28,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1564124156, now seen corresponding path program 1 times [2024-11-28 04:43:28,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:28,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444483541] [2024-11-28 04:43:28,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:29,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:29,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444483541] [2024-11-28 04:43:29,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444483541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:29,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:29,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:29,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515949862] [2024-11-28 04:43:29,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:29,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:29,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:29,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:29,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:30,742 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-28 04:43:30,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 386 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:30,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:30,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-28 04:43:30,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:31,707 INFO L124 PetriNetUnfolderBase]: 320/1724 cut-off events. [2024-11-28 04:43:31,707 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-28 04:43:31,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1724 events. 320/1724 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10824 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-11-28 04:43:31,720 INFO L140 encePairwiseOnDemand]: 396/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/384 dead transitions. [2024-11-28 04:43:31,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 965 flow [2024-11-28 04:43:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2024-11-28 04:43:31,728 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7630718954248366 [2024-11-28 04:43:31,728 INFO L175 Difference]: Start difference. First operand has 385 places, 386 transitions, 789 flow. Second operand 6 states and 1868 transitions. [2024-11-28 04:43:31,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 965 flow [2024-11-28 04:43:31,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 963 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:43:31,739 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 803 flow [2024-11-28 04:43:31,740 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-28 04:43:31,741 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-28 04:43:31,741 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 803 flow [2024-11-28 04:43:31,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:31,743 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:31,744 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] [2024-11-28 04:43:31,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:43:31,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:31,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash 906121413, now seen corresponding path program 1 times [2024-11-28 04:43:31,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:31,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274304454] [2024-11-28 04:43:31,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:32,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:32,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274304454] [2024-11-28 04:43:32,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274304454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:32,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:32,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:32,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980722968] [2024-11-28 04:43:32,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:32,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:32,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:32,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:32,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:33,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-28 04:43:33,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 803 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:33,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:33,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-28 04:43:33,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:33,987 INFO L124 PetriNetUnfolderBase]: 320/1722 cut-off events. [2024-11-28 04:43:33,988 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-28 04:43:33,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1722 events. 320/1722 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10828 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-11-28 04:43:34,002 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-28 04:43:34,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 985 flow [2024-11-28 04:43:34,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-28 04:43:34,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-28 04:43:34,012 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 803 flow. Second operand 6 states and 1863 transitions. [2024-11-28 04:43:34,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 985 flow [2024-11-28 04:43:34,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:34,024 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 791 flow [2024-11-28 04:43:34,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-28 04:43:34,027 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-28 04:43:34,028 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 791 flow [2024-11-28 04:43:34,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:34,030 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:34,030 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] [2024-11-28 04:43:34,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:43:34,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:34,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:34,032 INFO L85 PathProgramCache]: Analyzing trace with hash -425942186, now seen corresponding path program 1 times [2024-11-28 04:43:34,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:34,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897095460] [2024-11-28 04:43:34,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:34,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:34,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:34,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897095460] [2024-11-28 04:43:34,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897095460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:34,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:34,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:34,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018432299] [2024-11-28 04:43:34,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:34,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:34,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:34,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:34,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:34,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-28 04:43:34,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:34,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:34,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-28 04:43:34,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:34,430 INFO L124 PetriNetUnfolderBase]: 15/747 cut-off events. [2024-11-28 04:43:34,430 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-28 04:43:34,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 747 events. 15/747 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1619 event pairs, 8 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 593. Up to 38 conditions per place. [2024-11-28 04:43:34,435 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-28 04:43:34,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 827 flow [2024-11-28 04:43:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-28 04:43:34,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-28 04:43:34,442 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 791 flow. Second operand 3 states and 1134 transitions. [2024-11-28 04:43:34,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 827 flow [2024-11-28 04:43:34,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 817 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:34,456 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 793 flow [2024-11-28 04:43:34,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-11-28 04:43:34,459 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-28 04:43:34,459 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 793 flow [2024-11-28 04:43:34,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:34,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:34,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:34,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:43:34,461 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:34,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:34,463 INFO L85 PathProgramCache]: Analyzing trace with hash -684491989, now seen corresponding path program 1 times [2024-11-28 04:43:34,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:34,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370954809] [2024-11-28 04:43:34,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:34,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:35,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:35,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370954809] [2024-11-28 04:43:35,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370954809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:35,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:35,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:35,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913518163] [2024-11-28 04:43:35,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:35,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:35,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:35,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:35,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:36,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 408 [2024-11-28 04:43:36,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:36,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:36,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 408 [2024-11-28 04:43:36,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:36,966 INFO L124 PetriNetUnfolderBase]: 83/1061 cut-off events. [2024-11-28 04:43:36,966 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-11-28 04:43:36,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1061 events. 83/1061 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3649 event pairs, 64 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-11-28 04:43:36,972 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-28 04:43:36,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 925 flow [2024-11-28 04:43:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1988 transitions. [2024-11-28 04:43:36,979 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8120915032679739 [2024-11-28 04:43:36,979 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 793 flow. Second operand 6 states and 1988 transitions. [2024-11-28 04:43:36,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 925 flow [2024-11-28 04:43:36,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:43:36,992 INFO L231 Difference]: Finished difference. Result has 387 places, 383 transitions, 799 flow [2024-11-28 04:43:36,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=387, PETRI_TRANSITIONS=383} [2024-11-28 04:43:36,997 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-28 04:43:36,997 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 383 transitions, 799 flow [2024-11-28 04:43:37,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:37,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:37,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:37,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:43:37,002 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:37,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:37,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1515243527, now seen corresponding path program 1 times [2024-11-28 04:43:37,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:37,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746252050] [2024-11-28 04:43:37,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:38,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:38,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746252050] [2024-11-28 04:43:38,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746252050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:38,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:38,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:38,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111900545] [2024-11-28 04:43:38,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:38,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:38,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:38,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:38,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:38,738 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-28 04:43:38,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 383 transitions, 799 flow. Second operand has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:38,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:38,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-28 04:43:38,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:39,456 INFO L124 PetriNetUnfolderBase]: 320/1902 cut-off events. [2024-11-28 04:43:39,456 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-28 04:43:39,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1902 events. 320/1902 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10744 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-11-28 04:43:39,469 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-11-28 04:43:39,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 382 transitions, 981 flow [2024-11-28 04:43:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-28 04:43:39,477 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-28 04:43:39,477 INFO L175 Difference]: Start difference. First operand has 387 places, 383 transitions, 799 flow. Second operand 6 states and 1863 transitions. [2024-11-28 04:43:39,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 382 transitions, 981 flow [2024-11-28 04:43:39,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 971 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:39,490 INFO L231 Difference]: Finished difference. Result has 386 places, 382 transitions, 797 flow [2024-11-28 04:43:39,492 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=386, PETRI_TRANSITIONS=382} [2024-11-28 04:43:39,494 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-28 04:43:39,495 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 382 transitions, 797 flow [2024-11-28 04:43:39,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:39,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:39,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:39,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:43:39,497 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:39,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash 195856393, now seen corresponding path program 1 times [2024-11-28 04:43:39,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:39,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119606189] [2024-11-28 04:43:39,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:40,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:40,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119606189] [2024-11-28 04:43:40,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119606189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:40,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:40,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:40,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137084936] [2024-11-28 04:43:40,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:40,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:40,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:40,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:40,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:41,863 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-28 04:43:41,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 382 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:41,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:41,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-28 04:43:41,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:42,509 INFO L124 PetriNetUnfolderBase]: 320/1898 cut-off events. [2024-11-28 04:43:42,511 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-28 04:43:42,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1898 events. 320/1898 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10717 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-11-28 04:43:42,530 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-11-28 04:43:42,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 381 transitions, 971 flow [2024-11-28 04:43:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 04:43:42,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-28 04:43:42,540 INFO L175 Difference]: Start difference. First operand has 386 places, 382 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-28 04:43:42,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 381 transitions, 971 flow [2024-11-28 04:43:42,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 381 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:42,552 INFO L231 Difference]: Finished difference. Result has 385 places, 381 transitions, 795 flow [2024-11-28 04:43:42,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=385, PETRI_TRANSITIONS=381} [2024-11-28 04:43:42,555 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-28 04:43:42,555 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 381 transitions, 795 flow [2024-11-28 04:43:42,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:42,557 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:42,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:42,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:43:42,558 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:42,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:42,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1121804235, now seen corresponding path program 1 times [2024-11-28 04:43:42,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:42,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307100117] [2024-11-28 04:43:42,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:42,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:43:43,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:43,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307100117] [2024-11-28 04:43:43,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307100117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:43,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:43,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:43,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009529773] [2024-11-28 04:43:43,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:43,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:43,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:43,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:43,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:44,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-28 04:43:44,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 381 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:44,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:44,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-28 04:43:44,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:44,583 INFO L124 PetriNetUnfolderBase]: 320/1894 cut-off events. [2024-11-28 04:43:44,583 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-28 04:43:44,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 1894 events. 320/1894 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10691 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-11-28 04:43:44,596 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-11-28 04:43:44,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 380 transitions, 969 flow [2024-11-28 04:43:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 04:43:44,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-28 04:43:44,603 INFO L175 Difference]: Start difference. First operand has 385 places, 381 transitions, 795 flow. Second operand 6 states and 1883 transitions. [2024-11-28 04:43:44,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 380 transitions, 969 flow [2024-11-28 04:43:44,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:44,612 INFO L231 Difference]: Finished difference. Result has 384 places, 380 transitions, 793 flow [2024-11-28 04:43:44,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=380} [2024-11-28 04:43:44,614 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-28 04:43:44,614 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 380 transitions, 793 flow [2024-11-28 04:43:44,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:44,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:44,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:44,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:43:44,617 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:44,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:44,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1836549129, now seen corresponding path program 1 times [2024-11-28 04:43:44,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:44,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044952245] [2024-11-28 04:43:44,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:43:45,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:45,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044952245] [2024-11-28 04:43:45,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044952245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:45,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:45,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:45,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96990182] [2024-11-28 04:43:45,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:45,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:45,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:45,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:45,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:46,308 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 408 [2024-11-28 04:43:46,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 380 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:46,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:46,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 408 [2024-11-28 04:43:46,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:47,041 INFO L124 PetriNetUnfolderBase]: 320/1890 cut-off events. [2024-11-28 04:43:47,042 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-28 04:43:47,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 1890 events. 320/1890 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10662 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-11-28 04:43:47,054 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 88 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-11-28 04:43:47,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 379 transitions, 977 flow [2024-11-28 04:43:47,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1858 transitions. [2024-11-28 04:43:47,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7589869281045751 [2024-11-28 04:43:47,061 INFO L175 Difference]: Start difference. First operand has 384 places, 380 transitions, 793 flow. Second operand 6 states and 1858 transitions. [2024-11-28 04:43:47,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 379 transitions, 977 flow [2024-11-28 04:43:47,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:47,071 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 791 flow [2024-11-28 04:43:47,072 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2024-11-28 04:43:47,074 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-11-28 04:43:47,075 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 791 flow [2024-11-28 04:43:47,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:47,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:47,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:47,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:43:47,078 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:47,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:47,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1478785844, now seen corresponding path program 1 times [2024-11-28 04:43:47,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:47,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945561569] [2024-11-28 04:43:47,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:47,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:47,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:43:47,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945561569] [2024-11-28 04:43:47,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945561569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346493112] [2024-11-28 04:43:47,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:47,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:47,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:47,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:47,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:43:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:47,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:43:47,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:43:47,892 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:47,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346493112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:47,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:43:47,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 04:43:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42699113] [2024-11-28 04:43:47,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:47,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:47,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:47,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:47,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:47,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-28 04:43:47,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:47,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:47,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-28 04:43:47,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:48,181 INFO L124 PetriNetUnfolderBase]: 38/996 cut-off events. [2024-11-28 04:43:48,182 INFO L125 PetriNetUnfolderBase]: For 8/12 co-relation queries the response was YES. [2024-11-28 04:43:48,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 996 events. 38/996 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3634 event pairs, 0 based on Foata normal form. 2/936 useless extension candidates. Maximal degree in co-relation 773. Up to 72 conditions per place. [2024-11-28 04:43:48,186 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 22 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-11-28 04:43:48,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 387 transitions, 855 flow [2024-11-28 04:43:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1141 transitions. [2024-11-28 04:43:48,191 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321895424836601 [2024-11-28 04:43:48,191 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 791 flow. Second operand 3 states and 1141 transitions. [2024-11-28 04:43:48,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 387 transitions, 855 flow [2024-11-28 04:43:48,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 387 transitions, 845 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:43:48,200 INFO L231 Difference]: Finished difference. Result has 381 places, 379 transitions, 789 flow [2024-11-28 04:43:48,201 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=381, PETRI_TRANSITIONS=379} [2024-11-28 04:43:48,203 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, -5 predicate places. [2024-11-28 04:43:48,203 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 379 transitions, 789 flow [2024-11-28 04:43:48,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:48,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:48,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:48,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:43:48,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:43:48,409 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:48,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:48,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1838886880, now seen corresponding path program 1 times [2024-11-28 04:43:48,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:48,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984429154] [2024-11-28 04:43:48,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:43:48,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:48,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984429154] [2024-11-28 04:43:48,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984429154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:48,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080382918] [2024-11-28 04:43:48,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:48,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:48,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:48,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:48,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:43:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:49,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:43:49,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:43:49,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:43:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:43:49,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080382918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:43:49,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:43:49,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 04:43:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64223309] [2024-11-28 04:43:49,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:43:49,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:43:49,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:49,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:43:49,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:43:49,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-28 04:43:49,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 379 transitions, 789 flow. Second operand has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:49,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:49,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-28 04:43:49,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:50,315 INFO L124 PetriNetUnfolderBase]: 14/908 cut-off events. [2024-11-28 04:43:50,316 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 04:43:50,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 908 events. 14/908 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1087 event pairs, 8 based on Foata normal form. 4/888 useless extension candidates. Maximal degree in co-relation 750. Up to 38 conditions per place. [2024-11-28 04:43:50,321 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 19 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2024-11-28 04:43:50,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 387 transitions, 863 flow [2024-11-28 04:43:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:43:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:43:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3351 transitions. [2024-11-28 04:43:50,333 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9125816993464052 [2024-11-28 04:43:50,333 INFO L175 Difference]: Start difference. First operand has 381 places, 379 transitions, 789 flow. Second operand 9 states and 3351 transitions. [2024-11-28 04:43:50,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 387 transitions, 863 flow [2024-11-28 04:43:50,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 387 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:50,348 INFO L231 Difference]: Finished difference. Result has 390 places, 385 transitions, 835 flow [2024-11-28 04:43:50,349 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=835, PETRI_PLACES=390, PETRI_TRANSITIONS=385} [2024-11-28 04:43:50,351 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 4 predicate places. [2024-11-28 04:43:50,352 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 385 transitions, 835 flow [2024-11-28 04:43:50,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:50,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:50,357 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:50,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:43:50,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:43:50,558 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:50,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:50,560 INFO L85 PathProgramCache]: Analyzing trace with hash 425110604, now seen corresponding path program 2 times [2024-11-28 04:43:50,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:50,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984144532] [2024-11-28 04:43:50,561 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:43:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:50,723 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:43:50,724 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:43:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-28 04:43:51,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:51,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984144532] [2024-11-28 04:43:51,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984144532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:51,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:51,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:51,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506006807] [2024-11-28 04:43:51,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:51,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:51,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:51,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:51,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:51,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 408 [2024-11-28 04:43:51,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 385 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:51,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:51,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 408 [2024-11-28 04:43:51,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:53,612 INFO L124 PetriNetUnfolderBase]: 738/3471 cut-off events. [2024-11-28 04:43:53,612 INFO L125 PetriNetUnfolderBase]: For 30/44 co-relation queries the response was YES. [2024-11-28 04:43:53,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5278 conditions, 3471 events. 738/3471 cut-off events. For 30/44 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22609 event pairs, 315 based on Foata normal form. 4/3231 useless extension candidates. Maximal degree in co-relation 4613. Up to 1428 conditions per place. [2024-11-28 04:43:53,636 INFO L140 encePairwiseOnDemand]: 373/408 looper letters, 127 selfloop transitions, 118 changer transitions 0/534 dead transitions. [2024-11-28 04:43:53,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 534 transitions, 1624 flow [2024-11-28 04:43:53,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:43:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1998 transitions. [2024-11-28 04:43:53,645 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8161764705882353 [2024-11-28 04:43:53,645 INFO L175 Difference]: Start difference. First operand has 390 places, 385 transitions, 835 flow. Second operand 6 states and 1998 transitions. [2024-11-28 04:43:53,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 534 transitions, 1624 flow [2024-11-28 04:43:53,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 534 transitions, 1618 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 04:43:53,661 INFO L231 Difference]: Finished difference. Result has 399 places, 502 transitions, 1604 flow [2024-11-28 04:43:53,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1604, PETRI_PLACES=399, PETRI_TRANSITIONS=502} [2024-11-28 04:43:53,662 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 13 predicate places. [2024-11-28 04:43:53,663 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 502 transitions, 1604 flow [2024-11-28 04:43:53,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:53,664 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:53,665 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:53,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:43:53,666 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:43:53,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash -69543667, now seen corresponding path program 1 times [2024-11-28 04:43:53,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:53,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701766592] [2024-11-28 04:43:53,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-11-28 04:43:54,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:54,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701766592] [2024-11-28 04:43:54,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701766592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:54,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605375070] [2024-11-28 04:43:54,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:54,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:54,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:43:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:55,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:43:55,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 1 proven. 363 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:43:55,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:43:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 1 proven. 363 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:43:56,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605375070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:43:56,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:43:56,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-28 04:43:56,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298143882] [2024-11-28 04:43:56,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:43:56,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:43:56,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:56,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:43:56,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:43:56,734 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 408 [2024-11-28 04:43:56,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 502 transitions, 1604 flow. Second operand has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:43:56,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:56,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 408 [2024-11-28 04:43:56,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:44:00,609 INFO L124 PetriNetUnfolderBase]: 289/3397 cut-off events. [2024-11-28 04:44:00,609 INFO L125 PetriNetUnfolderBase]: For 264/312 co-relation queries the response was YES. [2024-11-28 04:44:00,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4652 conditions, 3397 events. 289/3397 cut-off events. For 264/312 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 9417 event pairs, 8 based on Foata normal form. 13/3314 useless extension candidates. Maximal degree in co-relation 2554. Up to 345 conditions per place. [2024-11-28 04:44:00,625 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 51 selfloop transitions, 68 changer transitions 0/588 dead transitions. [2024-11-28 04:44:00,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 588 transitions, 2252 flow [2024-11-28 04:44:00,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-28 04:44:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-28 04:44:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23001 transitions. [2024-11-28 04:44:00,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8948412698412699 [2024-11-28 04:44:00,674 INFO L175 Difference]: Start difference. First operand has 399 places, 502 transitions, 1604 flow. Second operand 63 states and 23001 transitions. [2024-11-28 04:44:00,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 588 transitions, 2252 flow [2024-11-28 04:44:00,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 588 transitions, 2252 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:44:00,695 INFO L231 Difference]: Finished difference. Result has 477 places, 564 transitions, 2124 flow [2024-11-28 04:44:00,696 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=2124, PETRI_PLACES=477, PETRI_TRANSITIONS=564} [2024-11-28 04:44:00,698 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 91 predicate places. [2024-11-28 04:44:00,698 INFO L471 AbstractCegarLoop]: Abstraction has has 477 places, 564 transitions, 2124 flow [2024-11-28 04:44:00,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:44:00,702 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:44:00,703 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:00,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:44:00,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 04:44:00,907 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:44:00,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:00,911 INFO L85 PathProgramCache]: Analyzing trace with hash -2017393951, now seen corresponding path program 2 times [2024-11-28 04:44:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:00,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607629341] [2024-11-28 04:44:00,912 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:44:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:01,314 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:44:01,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11189 trivial. 0 not checked. [2024-11-28 04:44:01,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:01,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607629341] [2024-11-28 04:44:01,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607629341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:01,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:01,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:44:01,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817264617] [2024-11-28 04:44:01,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:01,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:44:01,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:01,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:44:01,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:01,497 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 408 [2024-11-28 04:44:01,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 564 transitions, 2124 flow. Second operand has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:44:01,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:44:01,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 408 [2024-11-28 04:44:01,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:44:03,684 INFO L124 PetriNetUnfolderBase]: 302/3578 cut-off events. [2024-11-28 04:44:03,684 INFO L125 PetriNetUnfolderBase]: For 631/672 co-relation queries the response was YES. [2024-11-28 04:44:03,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5003 conditions, 3578 events. 302/3578 cut-off events. For 631/672 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10943 event pairs, 0 based on Foata normal form. 9/3481 useless extension candidates. Maximal degree in co-relation 3352. Up to 397 conditions per place. [2024-11-28 04:44:03,699 INFO L140 encePairwiseOnDemand]: 403/408 looper letters, 34 selfloop transitions, 5 changer transitions 0/565 dead transitions. [2024-11-28 04:44:03,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 565 transitions, 2199 flow [2024-11-28 04:44:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:44:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:44:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2259 transitions. [2024-11-28 04:44:03,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9227941176470589 [2024-11-28 04:44:03,703 INFO L175 Difference]: Start difference. First operand has 477 places, 564 transitions, 2124 flow. Second operand 6 states and 2259 transitions. [2024-11-28 04:44:03,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 565 transitions, 2199 flow [2024-11-28 04:44:03,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 565 transitions, 2120 flow, removed 19 selfloop flow, removed 8 redundant places. [2024-11-28 04:44:03,737 INFO L231 Difference]: Finished difference. Result has 452 places, 541 transitions, 2004 flow [2024-11-28 04:44:03,739 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1994, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2004, PETRI_PLACES=452, PETRI_TRANSITIONS=541} [2024-11-28 04:44:03,740 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 66 predicate places. [2024-11-28 04:44:03,740 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 541 transitions, 2004 flow [2024-11-28 04:44:03,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:44:03,742 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:44:03,743 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:03,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:44:03,743 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:44:03,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:03,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1653937438, now seen corresponding path program 1 times [2024-11-28 04:44:03,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:03,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591859873] [2024-11-28 04:44:03,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:03,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 11189 backedges. 5920 proven. 2527 refuted. 0 times theorem prover too weak. 2742 trivial. 0 not checked. [2024-11-28 04:44:08,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:08,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591859873] [2024-11-28 04:44:08,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591859873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:08,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943897183] [2024-11-28 04:44:08,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:08,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:08,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:08,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:08,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:44:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:11,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 5693 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:44:11,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 11189 backedges. 5920 proven. 2527 refuted. 0 times theorem prover too weak. 2742 trivial. 0 not checked. [2024-11-28 04:44:12,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11189 backedges. 5920 proven. 2527 refuted. 0 times theorem prover too weak. 2742 trivial. 0 not checked. [2024-11-28 04:44:13,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943897183] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:44:13,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:44:13,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-28 04:44:13,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974807510] [2024-11-28 04:44:13,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:13,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 04:44:13,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:13,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 04:44:13,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:44:13,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-28 04:44:13,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 541 transitions, 2004 flow. Second operand has 34 states, 34 states have (on average 371.1470588235294) internal successors, (12619), 34 states have internal predecessors, (12619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:44:13,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:44:13,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-28 04:44:13,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:44:19,714 INFO L124 PetriNetUnfolderBase]: 278/5491 cut-off events. [2024-11-28 04:44:19,715 INFO L125 PetriNetUnfolderBase]: For 3390/3437 co-relation queries the response was YES. [2024-11-28 04:44:19,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7224 conditions, 5491 events. 278/5491 cut-off events. For 3390/3437 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8719 event pairs, 0 based on Foata normal form. 24/5430 useless extension candidates. Maximal degree in co-relation 4986. Up to 345 conditions per place. [2024-11-28 04:44:19,735 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 49 selfloop transitions, 135 changer transitions 0/642 dead transitions. [2024-11-28 04:44:19,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 642 transitions, 3136 flow [2024-11-28 04:44:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-28 04:44:19,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-28 04:44:20,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16687 transitions. [2024-11-28 04:44:20,079 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9088779956427016 [2024-11-28 04:44:20,080 INFO L175 Difference]: Start difference. First operand has 452 places, 541 transitions, 2004 flow. Second operand 45 states and 16687 transitions. [2024-11-28 04:44:20,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 642 transitions, 3136 flow [2024-11-28 04:44:20,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 642 transitions, 3127 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:44:20,109 INFO L231 Difference]: Finished difference. Result has 501 places, 616 transitions, 2869 flow [2024-11-28 04:44:20,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1995, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2869, PETRI_PLACES=501, PETRI_TRANSITIONS=616} [2024-11-28 04:44:20,111 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 115 predicate places. [2024-11-28 04:44:20,111 INFO L471 AbstractCegarLoop]: Abstraction has has 501 places, 616 transitions, 2869 flow [2024-11-28 04:44:20,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 371.1470588235294) internal successors, (12619), 34 states have internal predecessors, (12619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:44:20,115 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:44:20,116 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:20,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:20,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 04:44:20,317 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:44:20,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:20,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1030343454, now seen corresponding path program 2 times [2024-11-28 04:44:20,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:20,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752231946] [2024-11-28 04:44:20,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:44:20,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:21,527 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:44:21,527 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 52741 backedges. 27056 proven. 12615 refuted. 0 times theorem prover too weak. 13070 trivial. 0 not checked. [2024-11-28 04:44:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752231946] [2024-11-28 04:44:39,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752231946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534253782] [2024-11-28 04:44:39,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:44:39,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:39,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:39,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:39,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:44:44,157 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:44:44,157 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:44,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 11581 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 04:44:44,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 52741 backedges. 27056 proven. 12615 refuted. 0 times theorem prover too weak. 13070 trivial. 0 not checked. [2024-11-28 04:44:46,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:44:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 52741 backedges. 27056 proven. 12615 refuted. 0 times theorem prover too weak. 13070 trivial. 0 not checked. [2024-11-28 04:44:49,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534253782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:44:49,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:44:49,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-28 04:44:49,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140632822] [2024-11-28 04:44:49,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:44:49,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-28 04:44:49,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:49,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-28 04:44:49,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-28 04:44:49,830 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-28 04:44:49,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 616 transitions, 2869 flow. Second operand has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:44:49,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:44:49,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-28 04:44:49,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:45:04,998 INFO L124 PetriNetUnfolderBase]: 278/9541 cut-off events. [2024-11-28 04:45:04,998 INFO L125 PetriNetUnfolderBase]: For 13598/13645 co-relation queries the response was YES. [2024-11-28 04:45:05,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12442 conditions, 9541 events. 278/9541 cut-off events. For 13598/13645 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8690 event pairs, 0 based on Foata normal form. 45/9501 useless extension candidates. Maximal degree in co-relation 10199. Up to 345 conditions per place. [2024-11-28 04:45:05,033 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 94 selfloop transitions, 270 changer transitions 0/822 dead transitions. [2024-11-28 04:45:05,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 822 transitions, 5783 flow [2024-11-28 04:45:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-28 04:45:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-28 04:45:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33359 transitions. [2024-11-28 04:45:05,065 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9084694989106754 [2024-11-28 04:45:05,065 INFO L175 Difference]: Start difference. First operand has 501 places, 616 transitions, 2869 flow. Second operand 90 states and 33359 transitions. [2024-11-28 04:45:05,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 822 transitions, 5783 flow [2024-11-28 04:45:05,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 822 transitions, 5675 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-28 04:45:05,130 INFO L231 Difference]: Finished difference. Result has 588 places, 754 transitions, 4753 flow [2024-11-28 04:45:05,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2761, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4753, PETRI_PLACES=588, PETRI_TRANSITIONS=754} [2024-11-28 04:45:05,132 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 202 predicate places. [2024-11-28 04:45:05,132 INFO L471 AbstractCegarLoop]: Abstraction has has 588 places, 754 transitions, 4753 flow [2024-11-28 04:45:05,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:45:05,141 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:45:05,143 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:45:05,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:45:05,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 04:45:05,344 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:45:05,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1848728798, now seen corresponding path program 3 times [2024-11-28 04:45:05,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:45:05,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204784785] [2024-11-28 04:45:05,369 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:45:05,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:45:06,541 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 04:45:06,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:45:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 213451 backedges. 0 proven. 108091 refuted. 0 times theorem prover too weak. 105360 trivial. 0 not checked. [2024-11-28 04:45:06,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:45:06,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204784785] [2024-11-28 04:45:06,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204784785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:45:06,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451854775] [2024-11-28 04:45:06,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:45:06,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:06,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:45:06,768 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:45:06,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:45:11,407 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 04:45:11,407 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:45:11,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:45:11,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 213451 backedges. 0 proven. 108091 refuted. 0 times theorem prover too weak. 105360 trivial. 0 not checked. [2024-11-28 04:45:22,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:45:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 213451 backedges. 0 proven. 108091 refuted. 0 times theorem prover too weak. 105360 trivial. 0 not checked. [2024-11-28 04:45:31,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451854775] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:45:31,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:45:31,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-28 04:45:31,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555429253] [2024-11-28 04:45:31,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:45:31,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:45:31,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:31,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:45:31,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:45:31,685 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-28 04:45:31,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 754 transitions, 4753 flow. Second operand has 14 states, 14 states have (on average 370.92857142857144) internal successors, (5193), 14 states have internal predecessors, (5193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:45:31,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:45:31,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-28 04:45:31,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:46:06,245 INFO L124 PetriNetUnfolderBase]: 280/15003 cut-off events. [2024-11-28 04:46:06,245 INFO L125 PetriNetUnfolderBase]: For 6083/6130 co-relation queries the response was YES. [2024-11-28 04:46:06,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19192 conditions, 15003 events. 280/15003 cut-off events. For 6083/6130 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7946 event pairs, 0 based on Foata normal form. 3/14921 useless extension candidates. Maximal degree in co-relation 16933. Up to 345 conditions per place. [2024-11-28 04:46:06,296 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 19 selfloop transitions, 15 changer transitions 0/767 dead transitions. [2024-11-28 04:46:06,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 767 transitions, 4867 flow [2024-11-28 04:46:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:46:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 04:46:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 5572 transitions. [2024-11-28 04:46:06,302 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9104575163398693 [2024-11-28 04:46:06,303 INFO L175 Difference]: Start difference. First operand has 588 places, 754 transitions, 4753 flow. Second operand 15 states and 5572 transitions. [2024-11-28 04:46:06,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 767 transitions, 4867 flow [2024-11-28 04:46:06,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 767 transitions, 4513 flow, removed 51 selfloop flow, removed 42 redundant places. [2024-11-28 04:46:06,410 INFO L231 Difference]: Finished difference. Result has 564 places, 763 transitions, 4489 flow [2024-11-28 04:46:06,411 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=4399, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=745, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4489, PETRI_PLACES=564, PETRI_TRANSITIONS=763} [2024-11-28 04:46:06,411 INFO L279 CegarLoopForPetriNet]: 386 programPoint places, 178 predicate places. [2024-11-28 04:46:06,412 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 763 transitions, 4489 flow [2024-11-28 04:46:06,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 370.92857142857144) internal successors, (5193), 14 states have internal predecessors, (5193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:46:06,414 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:46:06,418 INFO L206 CegarLoopForPetriNet]: trace histogram [150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:06,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:46:06,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb900c20-b1ba-4bb0-b97d-a46a87c205fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 04:46:06,619 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 04:46:06,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:06,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1043428928, now seen corresponding path program 4 times [2024-11-28 04:46:06,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:06,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592167095] [2024-11-28 04:46:06,682 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:46:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:15,384 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:46:15,384 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat