./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/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_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/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_c6603a8e-3e9f-415e-8b9f-2383e7211f07/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 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:43:37,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:43:37,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:43:37,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:43:37,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:43:37,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:43:37,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:43:37,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:43:37,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:43:37,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:43:37,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:43:37,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:43:37,360 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:43:37,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:43:37,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:43:37,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:43:37,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:43:37,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:37,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:37,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:37,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:43:37,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:37,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:37,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:37,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:43:37,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:43:37,364 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_c6603a8e-3e9f-415e-8b9f-2383e7211f07/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 -> 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa [2024-11-28 04:43:37,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:43:37,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:43:37,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:43:37,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:43:37,631 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:43:37,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-11-28 04:43:40,583 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/data/8d0c7c75a/a3e1fbc61a5847929aaf6acd0c36f304/FLAGfe61e602f [2024-11-28 04:43:40,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:43:40,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-11-28 04:43:40,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/data/8d0c7c75a/a3e1fbc61a5847929aaf6acd0c36f304/FLAGfe61e602f [2024-11-28 04:43:40,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/data/8d0c7c75a/a3e1fbc61a5847929aaf6acd0c36f304 [2024-11-28 04:43:41,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:43:41,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:43:41,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:41,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:43:41,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:43:41,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:40" (1/1) ... [2024-11-28 04:43:41,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188a41cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41, skipping insertion in model container [2024-11-28 04:43:41,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:40" (1/1) ... [2024-11-28 04:43:41,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:43:41,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:41,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:43:41,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:43:41,335 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:43:41,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41 WrapperNode [2024-11-28 04:43:41,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:43:41,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:41,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:43:41,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:43:41,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,405 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 13, calls inlined = 23, statements flattened = 323 [2024-11-28 04:43:41,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:43:41,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:43:41,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:43:41,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:43:41,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:43:41,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:43:41,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:43:41,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:43:41,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (1/1) ... [2024-11-28 04:43:41,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:41,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:43:41,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:43:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:43:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:43:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:43:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 04:43:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 04:43:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:43:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:43:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:43:41,542 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 04:43:41,696 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:43:41,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:43:42,511 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:43:42,511 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:43:42,548 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:43:42,548 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:43:42,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:42 BoogieIcfgContainer [2024-11-28 04:43:42,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:43:42,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:43:42,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:43:42,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:43:42,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:43:40" (1/3) ... [2024-11-28 04:43:42,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e3e5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:42, skipping insertion in model container [2024-11-28 04:43:42,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:41" (2/3) ... [2024-11-28 04:43:42,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e3e5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:42, skipping insertion in model container [2024-11-28 04:43:42,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:42" (3/3) ... [2024-11-28 04:43:42,563 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2024-11-28 04:43:42,583 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:43:42,585 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-match-subst.wvr.c that has 4 procedures, 437 locations, 1 initial locations, 0 loop locations, and 41 error locations. [2024-11-28 04:43:42,585 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:43:42,812 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 04:43:42,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 446 places, 454 transitions, 929 flow [2024-11-28 04:43:43,147 INFO L124 PetriNetUnfolderBase]: 18/451 cut-off events. [2024-11-28 04:43:43,152 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:43:43,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 451 events. 18/451 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 777 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-11-28 04:43:43,174 INFO L82 GeneralOperation]: Start removeDead. Operand has 446 places, 454 transitions, 929 flow [2024-11-28 04:43:43,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 431 transitions, 880 flow [2024-11-28 04:43:43,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:43:43,221 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;@436c9ad4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:43:43,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-11-28 04:43:43,233 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:43:43,234 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-28 04:43:43,234 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:43:43,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:43,235 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] [2024-11-28 04:43:43,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:43,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1481465963, now seen corresponding path program 1 times [2024-11-28 04:43:43,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:43,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478216591] [2024-11-28 04:43:43,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:43,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:43,482 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 04:43:43,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:43,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478216591] [2024-11-28 04:43:43,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478216591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:43,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:43,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:43,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369094449] [2024-11-28 04:43:43,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:43,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:43,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:43,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:43,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-11-28 04:43:43,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 431 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 04:43:43,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:43,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-11-28 04:43:43,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:44,163 INFO L124 PetriNetUnfolderBase]: 33/1375 cut-off events. [2024-11-28 04:43:44,164 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-28 04:43:44,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 1375 events. 33/1375 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6213 event pairs, 20 based on Foata normal form. 76/1250 useless extension candidates. Maximal degree in co-relation 1300. Up to 50 conditions per place. [2024-11-28 04:43:44,189 INFO L140 encePairwiseOnDemand]: 438/454 looper letters, 13 selfloop transitions, 2 changer transitions 1/417 dead transitions. [2024-11-28 04:43:44,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 417 transitions, 882 flow [2024-11-28 04:43:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:44,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:44,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:44,222 INFO L175 Difference]: Start difference. First operand has 425 places, 431 transitions, 880 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:44,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 417 transitions, 882 flow [2024-11-28 04:43:44,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 870 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 04:43:44,251 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 842 flow [2024-11-28 04:43:44,256 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=420, PETRI_TRANSITIONS=416} [2024-11-28 04:43:44,260 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -5 predicate places. [2024-11-28 04:43:44,262 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 842 flow [2024-11-28 04:43:44,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 04:43:44,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:44,264 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] [2024-11-28 04:43:44,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:43:44,265 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:44,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:44,267 INFO L85 PathProgramCache]: Analyzing trace with hash -666654298, now seen corresponding path program 1 times [2024-11-28 04:43:44,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:44,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414205345] [2024-11-28 04:43:44,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:44,389 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 04:43:44,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:44,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414205345] [2024-11-28 04:43:44,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414205345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:44,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:44,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:44,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765971042] [2024-11-28 04:43:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:44,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:44,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:44,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:44,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:44,437 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-28 04:43:44,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:44,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:44,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-28 04:43:44,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:44,769 INFO L124 PetriNetUnfolderBase]: 16/956 cut-off events. [2024-11-28 04:43:44,769 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:43:44,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 956 events. 16/956 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4028 event pairs, 7 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 957. Up to 25 conditions per place. [2024-11-28 04:43:44,788 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-11-28 04:43:44,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 415 transitions, 866 flow [2024-11-28 04:43:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-28 04:43:44,796 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-28 04:43:44,796 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 842 flow. Second operand 3 states and 1286 transitions. [2024-11-28 04:43:44,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 415 transitions, 866 flow [2024-11-28 04:43:44,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:44,811 INFO L231 Difference]: Finished difference. Result has 418 places, 415 transitions, 840 flow [2024-11-28 04:43:44,812 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=418, PETRI_TRANSITIONS=415} [2024-11-28 04:43:44,813 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -7 predicate places. [2024-11-28 04:43:44,813 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 415 transitions, 840 flow [2024-11-28 04:43:44,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:44,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:44,815 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:44,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:43:44,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:44,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:44,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2102967575, now seen corresponding path program 1 times [2024-11-28 04:43:44,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:44,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106899434] [2024-11-28 04:43:44,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:44,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:44,892 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 04:43:44,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106899434] [2024-11-28 04:43:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106899434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:44,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:44,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100161920] [2024-11-28 04:43:44,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:44,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:44,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:44,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:44,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:44,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-28 04:43:44,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 415 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:44,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:44,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-28 04:43:44,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:45,209 INFO L124 PetriNetUnfolderBase]: 16/937 cut-off events. [2024-11-28 04:43:45,209 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:43:45,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 937 events. 16/937 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3931 event pairs, 7 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 930. Up to 25 conditions per place. [2024-11-28 04:43:45,225 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2024-11-28 04:43:45,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 414 transitions, 864 flow [2024-11-28 04:43:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-28 04:43:45,232 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-28 04:43:45,232 INFO L175 Difference]: Start difference. First operand has 418 places, 415 transitions, 840 flow. Second operand 3 states and 1286 transitions. [2024-11-28 04:43:45,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 414 transitions, 864 flow [2024-11-28 04:43:45,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 414 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:45,243 INFO L231 Difference]: Finished difference. Result has 417 places, 414 transitions, 838 flow [2024-11-28 04:43:45,244 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=417, PETRI_TRANSITIONS=414} [2024-11-28 04:43:45,246 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -8 predicate places. [2024-11-28 04:43:45,247 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 414 transitions, 838 flow [2024-11-28 04:43:45,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:45,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:45,248 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:45,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:43:45,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:45,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:45,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1511710481, now seen corresponding path program 1 times [2024-11-28 04:43:45,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:45,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935348823] [2024-11-28 04:43:45,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:45,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:45,356 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 04:43:45,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:45,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935348823] [2024-11-28 04:43:45,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935348823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:45,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:45,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:45,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958072251] [2024-11-28 04:43:45,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:45,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:45,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:45,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:45,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:45,403 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-11-28 04:43:45,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 04:43:45,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:45,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-11-28 04:43:45,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:45,690 INFO L124 PetriNetUnfolderBase]: 19/807 cut-off events. [2024-11-28 04:43:45,690 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-28 04:43:45,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 19/807 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2820 event pairs, 12 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 805. Up to 38 conditions per place. [2024-11-28 04:43:45,700 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-11-28 04:43:45,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 413 transitions, 866 flow [2024-11-28 04:43:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-11-28 04:43:45,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-11-28 04:43:45,706 INFO L175 Difference]: Start difference. First operand has 417 places, 414 transitions, 838 flow. Second operand 3 states and 1282 transitions. [2024-11-28 04:43:45,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 413 transitions, 866 flow [2024-11-28 04:43:45,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 413 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:45,713 INFO L231 Difference]: Finished difference. Result has 416 places, 413 transitions, 836 flow [2024-11-28 04:43:45,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=416, PETRI_TRANSITIONS=413} [2024-11-28 04:43:45,716 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -9 predicate places. [2024-11-28 04:43:45,717 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 413 transitions, 836 flow [2024-11-28 04:43:45,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 04:43:45,718 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:45,718 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] [2024-11-28 04:43:45,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:43:45,719 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:45,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 805669637, now seen corresponding path program 1 times [2024-11-28 04:43:45,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:45,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165819390] [2024-11-28 04:43:45,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:45,828 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 04:43:45,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:45,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165819390] [2024-11-28 04:43:45,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165819390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:45,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:45,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:45,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177861158] [2024-11-28 04:43:45,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:45,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:45,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:45,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:45,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:45,871 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-28 04:43:45,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:45,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:45,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-28 04:43:45,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:46,048 INFO L124 PetriNetUnfolderBase]: 12/784 cut-off events. [2024-11-28 04:43:46,049 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-11-28 04:43:46,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 784 events. 12/784 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2122 event pairs, 5 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 756. Up to 22 conditions per place. [2024-11-28 04:43:46,063 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2024-11-28 04:43:46,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 412 transitions, 860 flow [2024-11-28 04:43:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-28 04:43:46,066 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-28 04:43:46,066 INFO L175 Difference]: Start difference. First operand has 416 places, 413 transitions, 836 flow. Second operand 3 states and 1286 transitions. [2024-11-28 04:43:46,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 412 transitions, 860 flow [2024-11-28 04:43:46,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 412 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:46,079 INFO L231 Difference]: Finished difference. Result has 415 places, 412 transitions, 834 flow [2024-11-28 04:43:46,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=415, PETRI_TRANSITIONS=412} [2024-11-28 04:43:46,081 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-11-28 04:43:46,081 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 412 transitions, 834 flow [2024-11-28 04:43:46,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:46,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:46,082 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] [2024-11-28 04:43:46,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:43:46,082 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:46,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:46,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1067874234, now seen corresponding path program 1 times [2024-11-28 04:43:46,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:46,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086531503] [2024-11-28 04:43:46,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:46,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:46,179 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 04:43:46,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:46,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086531503] [2024-11-28 04:43:46,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086531503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:46,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:46,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:46,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975455373] [2024-11-28 04:43:46,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:46,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:46,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:46,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:46,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:46,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-28 04:43:46,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:46,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:46,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-28 04:43:46,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:46,396 INFO L124 PetriNetUnfolderBase]: 12/777 cut-off events. [2024-11-28 04:43:46,396 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-11-28 04:43:46,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 777 events. 12/777 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2081 event pairs, 5 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 741. Up to 22 conditions per place. [2024-11-28 04:43:46,406 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-11-28 04:43:46,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 411 transitions, 858 flow [2024-11-28 04:43:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-28 04:43:46,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-28 04:43:46,411 INFO L175 Difference]: Start difference. First operand has 415 places, 412 transitions, 834 flow. Second operand 3 states and 1286 transitions. [2024-11-28 04:43:46,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 411 transitions, 858 flow [2024-11-28 04:43:46,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 411 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:46,420 INFO L231 Difference]: Finished difference. Result has 414 places, 411 transitions, 832 flow [2024-11-28 04:43:46,421 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=414, PETRI_TRANSITIONS=411} [2024-11-28 04:43:46,421 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-11-28 04:43:46,422 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 411 transitions, 832 flow [2024-11-28 04:43:46,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:46,423 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:46,423 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:46,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:43:46,423 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:46,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1914240621, now seen corresponding path program 1 times [2024-11-28 04:43:46,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:46,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100851143] [2024-11-28 04:43:46,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:46,488 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 04:43:46,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:46,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100851143] [2024-11-28 04:43:46,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100851143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:46,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:46,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:46,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553082759] [2024-11-28 04:43:46,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:46,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:46,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:46,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:46,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:46,535 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-11-28 04:43:46,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 04:43:46,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:46,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-11-28 04:43:46,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:46,685 INFO L124 PetriNetUnfolderBase]: 25/626 cut-off events. [2024-11-28 04:43:46,685 INFO L125 PetriNetUnfolderBase]: For 9/13 co-relation queries the response was YES. [2024-11-28 04:43:46,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 626 events. 25/626 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2198 event pairs, 20 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 610. Up to 50 conditions per place. [2024-11-28 04:43:46,694 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:46,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 410 transitions, 860 flow [2024-11-28 04:43:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-11-28 04:43:46,697 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-11-28 04:43:46,697 INFO L175 Difference]: Start difference. First operand has 414 places, 411 transitions, 832 flow. Second operand 3 states and 1282 transitions. [2024-11-28 04:43:46,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 410 transitions, 860 flow [2024-11-28 04:43:46,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:46,705 INFO L231 Difference]: Finished difference. Result has 413 places, 410 transitions, 830 flow [2024-11-28 04:43:46,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=413, PETRI_TRANSITIONS=410} [2024-11-28 04:43:46,707 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-28 04:43:46,707 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 410 transitions, 830 flow [2024-11-28 04:43:46,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 04:43:46,708 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:46,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:46,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:43:46,709 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:46,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:46,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1935635487, now seen corresponding path program 1 times [2024-11-28 04:43:46,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:46,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788605939] [2024-11-28 04:43:46,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:46,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:46,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788605939] [2024-11-28 04:43:46,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788605939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:46,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:46,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:46,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081845017] [2024-11-28 04:43:46,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:46,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:46,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:46,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:46,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:46,826 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-28 04:43:46,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:46,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:46,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-28 04:43:46,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:46,983 INFO L124 PetriNetUnfolderBase]: 14/681 cut-off events. [2024-11-28 04:43:46,983 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-28 04:43:46,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 681 events. 14/681 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1754 event pairs, 7 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 631. Up to 25 conditions per place. [2024-11-28 04:43:46,991 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2024-11-28 04:43:46,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 854 flow [2024-11-28 04:43:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-28 04:43:46,995 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-28 04:43:46,995 INFO L175 Difference]: Start difference. First operand has 413 places, 410 transitions, 830 flow. Second operand 3 states and 1286 transitions. [2024-11-28 04:43:46,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 854 flow [2024-11-28 04:43:46,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 409 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:47,003 INFO L231 Difference]: Finished difference. Result has 412 places, 409 transitions, 828 flow [2024-11-28 04:43:47,004 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=412, PETRI_TRANSITIONS=409} [2024-11-28 04:43:47,007 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-28 04:43:47,008 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 409 transitions, 828 flow [2024-11-28 04:43:47,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:47,009 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:47,009 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] [2024-11-28 04:43:47,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:43:47,012 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:47,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:47,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1967425806, now seen corresponding path program 1 times [2024-11-28 04:43:47,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:47,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027148285] [2024-11-28 04:43:47,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:47,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:47,062 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 04:43:47,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:47,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027148285] [2024-11-28 04:43:47,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027148285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:47,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:47,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:47,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504280331] [2024-11-28 04:43:47,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:47,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:47,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:47,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:47,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:47,084 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-11-28 04:43:47,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:47,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:47,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-11-28 04:43:47,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:47,221 INFO L124 PetriNetUnfolderBase]: 14/671 cut-off events. [2024-11-28 04:43:47,221 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-28 04:43:47,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 671 events. 14/671 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1727 event pairs, 7 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 613. Up to 25 conditions per place. [2024-11-28 04:43:47,229 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-11-28 04:43:47,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 852 flow [2024-11-28 04:43:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-28 04:43:47,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-11-28 04:43:47,233 INFO L175 Difference]: Start difference. First operand has 412 places, 409 transitions, 828 flow. Second operand 3 states and 1286 transitions. [2024-11-28 04:43:47,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 852 flow [2024-11-28 04:43:47,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 408 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:47,240 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 826 flow [2024-11-28 04:43:47,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-11-28 04:43:47,241 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-11-28 04:43:47,241 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 826 flow [2024-11-28 04:43:47,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 04:43:47,242 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:47,243 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 04:43:47,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:43:47,243 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:47,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:47,244 INFO L85 PathProgramCache]: Analyzing trace with hash -224796327, now seen corresponding path program 1 times [2024-11-28 04:43:47,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:47,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383083978] [2024-11-28 04:43:47,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:43:47,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:47,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383083978] [2024-11-28 04:43:47,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383083978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:47,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:47,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:47,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083073518] [2024-11-28 04:43:47,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:47,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:47,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:47,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:47,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:47,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:47,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 04:43:47,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:47,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:47,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:47,570 INFO L124 PetriNetUnfolderBase]: 34/1406 cut-off events. [2024-11-28 04:43:47,570 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:43:47,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1471 conditions, 1406 events. 34/1406 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8143 event pairs, 13 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1370. Up to 43 conditions per place. [2024-11-28 04:43:47,587 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:47,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 862 flow [2024-11-28 04:43:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:47,591 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:47,591 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 826 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:47,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 862 flow [2024-11-28 04:43:47,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 410 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:47,598 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 832 flow [2024-11-28 04:43:47,599 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-11-28 04:43:47,600 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-11-28 04:43:47,600 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 832 flow [2024-11-28 04:43:47,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 04:43:47,601 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:47,601 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] [2024-11-28 04:43:47,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:43:47,601 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:47,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:47,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1280872901, now seen corresponding path program 1 times [2024-11-28 04:43:47,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:47,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721817744] [2024-11-28 04:43:47,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:47,651 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 04:43:47,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:47,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721817744] [2024-11-28 04:43:47,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721817744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:47,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:47,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:47,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385643450] [2024-11-28 04:43:47,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:47,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:47,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:47,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:47,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:47,673 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:47,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 04:43:47,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:47,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:47,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:47,968 INFO L124 PetriNetUnfolderBase]: 40/1646 cut-off events. [2024-11-28 04:43:47,968 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:43:47,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 1646 events. 40/1646 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10640 event pairs, 14 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1337. Up to 49 conditions per place. [2024-11-28 04:43:47,987 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:47,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 410 transitions, 868 flow [2024-11-28 04:43:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:47,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:47,991 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 832 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:47,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 410 transitions, 868 flow [2024-11-28 04:43:47,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 410 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:48,001 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 842 flow [2024-11-28 04:43:48,002 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-11-28 04:43:48,003 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-11-28 04:43:48,003 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 842 flow [2024-11-28 04:43:48,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 04:43:48,004 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:48,004 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] [2024-11-28 04:43:48,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:43:48,004 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:48,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:48,004 INFO L85 PathProgramCache]: Analyzing trace with hash -137455449, now seen corresponding path program 1 times [2024-11-28 04:43:48,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:48,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570234969] [2024-11-28 04:43:48,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:48,111 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 04:43:48,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:48,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570234969] [2024-11-28 04:43:48,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570234969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:48,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:48,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:48,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758335962] [2024-11-28 04:43:48,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:48,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:48,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:48,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:48,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:48,126 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:48,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 04:43:48,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:48,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:48,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:48,328 INFO L124 PetriNetUnfolderBase]: 24/902 cut-off events. [2024-11-28 04:43:48,328 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:43:48,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 902 events. 24/902 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4377 event pairs, 4 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 759. Up to 31 conditions per place. [2024-11-28 04:43:48,343 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:48,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 878 flow [2024-11-28 04:43:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:48,347 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:48,347 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 842 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:48,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 878 flow [2024-11-28 04:43:48,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 410 transitions, 878 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:48,353 INFO L231 Difference]: Finished difference. Result has 412 places, 408 transitions, 852 flow [2024-11-28 04:43:48,354 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=412, PETRI_TRANSITIONS=408} [2024-11-28 04:43:48,355 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-28 04:43:48,355 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 408 transitions, 852 flow [2024-11-28 04:43:48,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 04:43:48,356 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:48,356 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] [2024-11-28 04:43:48,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:43:48,356 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:48,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:48,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1049338249, now seen corresponding path program 1 times [2024-11-28 04:43:48,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:48,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684508766] [2024-11-28 04:43:48,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:48,413 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 04:43:48,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684508766] [2024-11-28 04:43:48,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684508766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:48,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:48,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:48,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274633806] [2024-11-28 04:43:48,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:48,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:48,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:48,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:48,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:48,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:48,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 408 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 04:43:48,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:48,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:48,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:48,636 INFO L124 PetriNetUnfolderBase]: 26/943 cut-off events. [2024-11-28 04:43:48,637 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:43:48,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 943 events. 26/943 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4688 event pairs, 4 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 810. Up to 35 conditions per place. [2024-11-28 04:43:48,651 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:48,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 410 transitions, 888 flow [2024-11-28 04:43:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:48,655 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:48,655 INFO L175 Difference]: Start difference. First operand has 412 places, 408 transitions, 852 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:48,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 410 transitions, 888 flow [2024-11-28 04:43:48,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 410 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:48,698 INFO L231 Difference]: Finished difference. Result has 413 places, 408 transitions, 862 flow [2024-11-28 04:43:48,699 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=413, PETRI_TRANSITIONS=408} [2024-11-28 04:43:48,699 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-28 04:43:48,699 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 408 transitions, 862 flow [2024-11-28 04:43:48,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 04:43:48,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:48,700 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:48,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:43:48,702 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:48,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:48,703 INFO L85 PathProgramCache]: Analyzing trace with hash -200193379, now seen corresponding path program 1 times [2024-11-28 04:43:48,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:48,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281670196] [2024-11-28 04:43:48,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:48,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:48,809 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 04:43:48,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:48,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281670196] [2024-11-28 04:43:48,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281670196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:48,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:48,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:48,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836268191] [2024-11-28 04:43:48,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:48,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:48,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:48,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:48,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:48,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:48,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 408 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 04:43:48,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:48,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:48,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:49,169 INFO L124 PetriNetUnfolderBase]: 66/1778 cut-off events. [2024-11-28 04:43:49,169 INFO L125 PetriNetUnfolderBase]: For 21/25 co-relation queries the response was YES. [2024-11-28 04:43:49,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1778 events. 66/1778 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10935 event pairs, 10 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 1461. Up to 80 conditions per place. [2024-11-28 04:43:49,194 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:49,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 410 transitions, 898 flow [2024-11-28 04:43:49,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:49,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:49,198 INFO L175 Difference]: Start difference. First operand has 413 places, 408 transitions, 862 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:49,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 410 transitions, 898 flow [2024-11-28 04:43:49,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 898 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:49,205 INFO L231 Difference]: Finished difference. Result has 414 places, 408 transitions, 872 flow [2024-11-28 04:43:49,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=414, PETRI_TRANSITIONS=408} [2024-11-28 04:43:49,207 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-11-28 04:43:49,208 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 408 transitions, 872 flow [2024-11-28 04:43:49,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 04:43:49,209 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:49,209 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] [2024-11-28 04:43:49,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:43:49,209 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:49,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:49,210 INFO L85 PathProgramCache]: Analyzing trace with hash 887727743, now seen corresponding path program 1 times [2024-11-28 04:43:49,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:49,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044580550] [2024-11-28 04:43:49,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:49,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:49,290 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 04:43:49,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:49,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044580550] [2024-11-28 04:43:49,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044580550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:49,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:49,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:49,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851150030] [2024-11-28 04:43:49,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:49,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:49,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:49,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:49,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:49,307 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:49,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 408 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 04:43:49,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:49,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:49,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:49,727 INFO L124 PetriNetUnfolderBase]: 75/1940 cut-off events. [2024-11-28 04:43:49,727 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-11-28 04:43:49,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 1940 events. 75/1940 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12063 event pairs, 19 based on Foata normal form. 0/1662 useless extension candidates. Maximal degree in co-relation 1659. Up to 90 conditions per place. [2024-11-28 04:43:49,749 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-11-28 04:43:49,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 410 transitions, 908 flow [2024-11-28 04:43:49,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:49,753 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:49,753 INFO L175 Difference]: Start difference. First operand has 414 places, 408 transitions, 872 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:49,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 410 transitions, 908 flow [2024-11-28 04:43:49,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 410 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:49,763 INFO L231 Difference]: Finished difference. Result has 415 places, 408 transitions, 882 flow [2024-11-28 04:43:49,764 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=415, PETRI_TRANSITIONS=408} [2024-11-28 04:43:49,765 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-11-28 04:43:49,765 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 408 transitions, 882 flow [2024-11-28 04:43:49,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 04:43:49,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:49,766 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] [2024-11-28 04:43:49,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:43:49,767 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:49,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:49,767 INFO L85 PathProgramCache]: Analyzing trace with hash -89474115, now seen corresponding path program 1 times [2024-11-28 04:43:49,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:49,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666880706] [2024-11-28 04:43:49,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:49,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:49,874 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 04:43:49,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:49,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666880706] [2024-11-28 04:43:49,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666880706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:49,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:49,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:49,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794469343] [2024-11-28 04:43:49,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:49,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:49,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:49,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:49,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:49,904 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-11-28 04:43:49,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 408 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 04:43:49,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:49,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-11-28 04:43:49,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:50,375 INFO L124 PetriNetUnfolderBase]: 163/1738 cut-off events. [2024-11-28 04:43:50,375 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-28 04:43:50,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2090 conditions, 1738 events. 163/1738 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12345 event pairs, 60 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 1724. Up to 239 conditions per place. [2024-11-28 04:43:50,400 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-11-28 04:43:50,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 922 flow [2024-11-28 04:43:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-11-28 04:43:50,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-11-28 04:43:50,406 INFO L175 Difference]: Start difference. First operand has 415 places, 408 transitions, 882 flow. Second operand 3 states and 1283 transitions. [2024-11-28 04:43:50,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 922 flow [2024-11-28 04:43:50,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 408 transitions, 922 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:50,414 INFO L231 Difference]: Finished difference. Result has 414 places, 406 transitions, 888 flow [2024-11-28 04:43:50,415 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=414, PETRI_TRANSITIONS=406} [2024-11-28 04:43:50,416 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-11-28 04:43:50,416 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 406 transitions, 888 flow [2024-11-28 04:43:50,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 04:43:50,417 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:50,417 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] [2024-11-28 04:43:50,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:43:50,417 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:50,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash -85243873, now seen corresponding path program 1 times [2024-11-28 04:43:50,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:50,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122179556] [2024-11-28 04:43:50,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:50,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:50,491 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 04:43:50,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:50,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122179556] [2024-11-28 04:43:50,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122179556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:50,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:50,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:50,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991728836] [2024-11-28 04:43:50,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:50,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:50,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:50,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:50,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:50,515 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-11-28 04:43:50,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 406 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 04:43:50,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:50,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-11-28 04:43:50,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:50,849 INFO L124 PetriNetUnfolderBase]: 121/1554 cut-off events. [2024-11-28 04:43:50,849 INFO L125 PetriNetUnfolderBase]: For 21/45 co-relation queries the response was YES. [2024-11-28 04:43:50,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1554 events. 121/1554 cut-off events. For 21/45 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9833 event pairs, 52 based on Foata normal form. 3/1362 useless extension candidates. Maximal degree in co-relation 1555. Up to 191 conditions per place. [2024-11-28 04:43:50,870 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-11-28 04:43:50,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 406 transitions, 928 flow [2024-11-28 04:43:50,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-11-28 04:43:50,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-11-28 04:43:50,874 INFO L175 Difference]: Start difference. First operand has 414 places, 406 transitions, 888 flow. Second operand 3 states and 1283 transitions. [2024-11-28 04:43:50,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 406 transitions, 928 flow [2024-11-28 04:43:50,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 406 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:50,881 INFO L231 Difference]: Finished difference. Result has 413 places, 404 transitions, 894 flow [2024-11-28 04:43:50,882 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=413, PETRI_TRANSITIONS=404} [2024-11-28 04:43:50,883 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-28 04:43:50,883 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 404 transitions, 894 flow [2024-11-28 04:43:50,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 04:43:50,884 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:50,884 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] [2024-11-28 04:43:50,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:43:50,885 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:50,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:50,885 INFO L85 PathProgramCache]: Analyzing trace with hash 845672241, now seen corresponding path program 1 times [2024-11-28 04:43:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:50,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433983287] [2024-11-28 04:43:50,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:50,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:50,978 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 04:43:50,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:50,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433983287] [2024-11-28 04:43:50,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433983287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:50,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50094602] [2024-11-28 04:43:50,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:50,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:50,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:50,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:51,005 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-11-28 04:43:51,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 404 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 04:43:51,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:51,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-11-28 04:43:51,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:51,427 INFO L124 PetriNetUnfolderBase]: 231/1986 cut-off events. [2024-11-28 04:43:51,427 INFO L125 PetriNetUnfolderBase]: For 51/53 co-relation queries the response was YES. [2024-11-28 04:43:51,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 1986 events. 231/1986 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 13110 event pairs, 76 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2096. Up to 364 conditions per place. [2024-11-28 04:43:51,452 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-11-28 04:43:51,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 404 transitions, 934 flow [2024-11-28 04:43:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-11-28 04:43:51,456 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-11-28 04:43:51,456 INFO L175 Difference]: Start difference. First operand has 413 places, 404 transitions, 894 flow. Second operand 3 states and 1283 transitions. [2024-11-28 04:43:51,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 404 transitions, 934 flow [2024-11-28 04:43:51,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 404 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:51,463 INFO L231 Difference]: Finished difference. Result has 412 places, 402 transitions, 900 flow [2024-11-28 04:43:51,464 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=402} [2024-11-28 04:43:51,464 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-28 04:43:51,464 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 402 transitions, 900 flow [2024-11-28 04:43:51,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 04:43:51,465 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:51,465 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] [2024-11-28 04:43:51,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:43:51,465 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:51,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:51,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2049955640, now seen corresponding path program 1 times [2024-11-28 04:43:51,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:51,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822184766] [2024-11-28 04:43:51,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:51,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:51,532 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 04:43:51,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:51,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822184766] [2024-11-28 04:43:51,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822184766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:51,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:51,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863969781] [2024-11-28 04:43:51,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:51,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:51,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:51,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:51,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:51,549 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 454 [2024-11-28 04:43:51,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 402 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 04:43:51,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:51,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 454 [2024-11-28 04:43:51,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:51,818 INFO L124 PetriNetUnfolderBase]: 55/1300 cut-off events. [2024-11-28 04:43:51,818 INFO L125 PetriNetUnfolderBase]: For 7/31 co-relation queries the response was YES. [2024-11-28 04:43:51,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1300 events. 55/1300 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6941 event pairs, 4 based on Foata normal form. 4/1205 useless extension candidates. Maximal degree in co-relation 1196. Up to 30 conditions per place. [2024-11-28 04:43:51,834 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-28 04:43:51,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 403 transitions, 930 flow [2024-11-28 04:43:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-28 04:43:51,838 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-11-28 04:43:51,838 INFO L175 Difference]: Start difference. First operand has 412 places, 402 transitions, 900 flow. Second operand 3 states and 1295 transitions. [2024-11-28 04:43:51,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 403 transitions, 930 flow [2024-11-28 04:43:51,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 403 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:43:51,844 INFO L231 Difference]: Finished difference. Result has 413 places, 401 transitions, 902 flow [2024-11-28 04:43:51,845 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=413, PETRI_TRANSITIONS=401} [2024-11-28 04:43:51,845 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-11-28 04:43:51,846 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 401 transitions, 902 flow [2024-11-28 04:43:51,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 04:43:51,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:51,847 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 04:43:51,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:43:51,847 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:51,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:51,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1092350566, now seen corresponding path program 1 times [2024-11-28 04:43:51,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:51,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087025390] [2024-11-28 04:43:51,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:51,916 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 04:43:51,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087025390] [2024-11-28 04:43:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087025390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:51,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:51,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:51,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275818089] [2024-11-28 04:43:51,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:51,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:51,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:51,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:51,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:51,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:51,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 401 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 04:43:51,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:51,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:51,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:52,253 INFO L124 PetriNetUnfolderBase]: 81/1576 cut-off events. [2024-11-28 04:43:52,253 INFO L125 PetriNetUnfolderBase]: For 19/31 co-relation queries the response was YES. [2024-11-28 04:43:52,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1576 events. 81/1576 cut-off events. For 19/31 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9341 event pairs, 14 based on Foata normal form. 1/1465 useless extension candidates. Maximal degree in co-relation 1758. Up to 53 conditions per place. [2024-11-28 04:43:52,270 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-11-28 04:43:52,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 402 transitions, 934 flow [2024-11-28 04:43:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-11-28 04:43:52,273 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-11-28 04:43:52,273 INFO L175 Difference]: Start difference. First operand has 413 places, 401 transitions, 902 flow. Second operand 3 states and 1293 transitions. [2024-11-28 04:43:52,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 402 transitions, 934 flow [2024-11-28 04:43:52,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 402 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:52,280 INFO L231 Difference]: Finished difference. Result has 412 places, 400 transitions, 900 flow [2024-11-28 04:43:52,280 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=400} [2024-11-28 04:43:52,281 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-11-28 04:43:52,281 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 400 transitions, 900 flow [2024-11-28 04:43:52,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 04:43:52,282 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:52,282 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] [2024-11-28 04:43:52,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:43:52,282 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:52,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:52,283 INFO L85 PathProgramCache]: Analyzing trace with hash -370909162, now seen corresponding path program 1 times [2024-11-28 04:43:52,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:52,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80788424] [2024-11-28 04:43:52,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:52,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:52,364 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 04:43:52,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:52,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80788424] [2024-11-28 04:43:52,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80788424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:52,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:52,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:52,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195436596] [2024-11-28 04:43:52,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:52,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:52,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:52,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:52,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:52,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:52,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 400 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 04:43:52,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:52,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:52,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:52,663 INFO L124 PetriNetUnfolderBase]: 65/1219 cut-off events. [2024-11-28 04:43:52,663 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2024-11-28 04:43:52,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1219 events. 65/1219 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6137 event pairs, 10 based on Foata normal form. 0/1146 useless extension candidates. Maximal degree in co-relation 1397. Up to 63 conditions per place. [2024-11-28 04:43:52,679 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-28 04:43:52,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 401 transitions, 932 flow [2024-11-28 04:43:52,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-11-28 04:43:52,683 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-11-28 04:43:52,683 INFO L175 Difference]: Start difference. First operand has 412 places, 400 transitions, 900 flow. Second operand 3 states and 1293 transitions. [2024-11-28 04:43:52,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 401 transitions, 932 flow [2024-11-28 04:43:52,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 401 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:52,690 INFO L231 Difference]: Finished difference. Result has 411 places, 399 transitions, 898 flow [2024-11-28 04:43:52,691 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=411, PETRI_TRANSITIONS=399} [2024-11-28 04:43:52,691 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-11-28 04:43:52,691 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 399 transitions, 898 flow [2024-11-28 04:43:52,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 04:43:52,692 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:52,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:52,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:43:52,693 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:52,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:52,694 INFO L85 PathProgramCache]: Analyzing trace with hash -433715592, now seen corresponding path program 1 times [2024-11-28 04:43:52,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:52,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729149906] [2024-11-28 04:43:52,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:52,849 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 04:43:52,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:52,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729149906] [2024-11-28 04:43:52,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729149906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:52,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:52,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:52,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356499864] [2024-11-28 04:43:52,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:52,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:52,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:52,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:52,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:52,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 454 [2024-11-28 04:43:52,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 399 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 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 04:43:52,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:52,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 454 [2024-11-28 04:43:52,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:53,129 INFO L124 PetriNetUnfolderBase]: 49/1259 cut-off events. [2024-11-28 04:43:53,129 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2024-11-28 04:43:53,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 1259 events. 49/1259 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6503 event pairs, 2 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1326. Up to 30 conditions per place. [2024-11-28 04:43:53,144 INFO L140 encePairwiseOnDemand]: 452/454 looper letters, 8 selfloop transitions, 1 changer transitions 0/398 dead transitions. [2024-11-28 04:43:53,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 398 transitions, 914 flow [2024-11-28 04:43:53,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-11-28 04:43:53,148 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9522760646108663 [2024-11-28 04:43:53,148 INFO L175 Difference]: Start difference. First operand has 411 places, 399 transitions, 898 flow. Second operand 3 states and 1297 transitions. [2024-11-28 04:43:53,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 398 transitions, 914 flow [2024-11-28 04:43:53,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 398 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:43:53,156 INFO L231 Difference]: Finished difference. Result has 410 places, 398 transitions, 894 flow [2024-11-28 04:43:53,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=410, PETRI_TRANSITIONS=398} [2024-11-28 04:43:53,157 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-11-28 04:43:53,157 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 398 transitions, 894 flow [2024-11-28 04:43:53,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 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 04:43:53,158 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:53,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:53,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:43:53,158 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:53,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash 41553439, now seen corresponding path program 1 times [2024-11-28 04:43:53,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:53,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722510939] [2024-11-28 04:43:53,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:53,308 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 04:43:53,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:53,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722510939] [2024-11-28 04:43:53,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722510939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:53,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:53,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:53,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762938003] [2024-11-28 04:43:53,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:53,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:53,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:53,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:53,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:53,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:53,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 398 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 04:43:53,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:53,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:53,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:53,652 INFO L124 PetriNetUnfolderBase]: 60/1492 cut-off events. [2024-11-28 04:43:53,652 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-28 04:43:53,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1492 events. 60/1492 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8525 event pairs, 7 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 1694. Up to 36 conditions per place. [2024-11-28 04:43:53,669 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 10 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2024-11-28 04:43:53,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 396 transitions, 912 flow [2024-11-28 04:43:53,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-11-28 04:43:53,672 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478707782672541 [2024-11-28 04:43:53,673 INFO L175 Difference]: Start difference. First operand has 410 places, 398 transitions, 894 flow. Second operand 3 states and 1291 transitions. [2024-11-28 04:43:53,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 396 transitions, 912 flow [2024-11-28 04:43:53,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 396 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:43:53,679 INFO L231 Difference]: Finished difference. Result has 409 places, 396 transitions, 891 flow [2024-11-28 04:43:53,679 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=409, PETRI_TRANSITIONS=396} [2024-11-28 04:43:53,680 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -16 predicate places. [2024-11-28 04:43:53,680 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 396 transitions, 891 flow [2024-11-28 04:43:53,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 04:43:53,681 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:43:53,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:53,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:43:53,681 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-11-28 04:43:53,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:53,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1033353884, now seen corresponding path program 1 times [2024-11-28 04:43:53,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:53,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440150542] [2024-11-28 04:43:53,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:53,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:53,801 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 04:43:53,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:53,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440150542] [2024-11-28 04:43:53,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440150542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:53,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:53,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:43:53,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922627536] [2024-11-28 04:43:53,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:53,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:53,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:53,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:53,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:53,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-11-28 04:43:53,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 396 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 04:43:53,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:43:53,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-11-28 04:43:53,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:43:54,055 INFO L124 PetriNetUnfolderBase]: 50/1171 cut-off events. [2024-11-28 04:43:54,055 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-11-28 04:43:54,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1171 events. 50/1171 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5851 event pairs, 5 based on Foata normal form. 1/1103 useless extension candidates. Maximal degree in co-relation 1349. Up to 36 conditions per place. [2024-11-28 04:43:54,068 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 0 selfloop transitions, 0 changer transitions 394/394 dead transitions. [2024-11-28 04:43:54,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 394 transitions, 907 flow [2024-11-28 04:43:54,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:43:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2024-11-28 04:43:54,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.947136563876652 [2024-11-28 04:43:54,071 INFO L175 Difference]: Start difference. First operand has 409 places, 396 transitions, 891 flow. Second operand 3 states and 1290 transitions. [2024-11-28 04:43:54,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 394 transitions, 907 flow [2024-11-28 04:43:54,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 394 transitions, 906 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:43:54,077 INFO L231 Difference]: Finished difference. Result has 408 places, 0 transitions, 0 flow [2024-11-28 04:43:54,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=408, PETRI_TRANSITIONS=0} [2024-11-28 04:43:54,077 INFO L279 CegarLoopForPetriNet]: 425 programPoint places, -17 predicate places. [2024-11-28 04:43:54,078 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 0 transitions, 0 flow [2024-11-28 04:43:54,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 04:43:54,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2024-11-28 04:43:54,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2024-11-28 04:43:54,089 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2024-11-28 04:43:54,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2024-11-28 04:43:54,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2024-11-28 04:43:54,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2024-11-28 04:43:54,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2024-11-28 04:43:54,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2024-11-28 04:43:54,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2024-11-28 04:43:54,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:43:54,098 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:43:54,106 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:43:54,107 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:43:54,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:43:54 BasicIcfg [2024-11-28 04:43:54,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:43:54,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:43:54,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:43:54,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:43:54,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:42" (3/4) ... [2024-11-28 04:43:54,120 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:43:54,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:43:54,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:43:54,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 04:43:54,130 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 04:43:54,131 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:43:54,131 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:43:54,131 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:43:54,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:43:54,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:43:54,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:43:54,239 INFO L158 Benchmark]: Toolchain (without parser) took 13236.73ms. Allocated memory was 142.6MB in the beginning and 595.6MB in the end (delta: 453.0MB). Free memory was 118.9MB in the beginning and 289.4MB in the end (delta: -170.5MB). Peak memory consumption was 281.0MB. Max. memory is 16.1GB. [2024-11-28 04:43:54,240 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:54,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.31ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 106.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:54,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.49ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:54,242 INFO L158 Benchmark]: Boogie Preprocessor took 48.41ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:43:54,242 INFO L158 Benchmark]: RCFGBuilder took 1093.57ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 73.6MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:43:54,243 INFO L158 Benchmark]: TraceAbstraction took 11564.37ms. Allocated memory was 142.6MB in the beginning and 595.6MB in the end (delta: 453.0MB). Free memory was 73.1MB in the beginning and 297.7MB in the end (delta: -224.7MB). Peak memory consumption was 230.7MB. Max. memory is 16.1GB. [2024-11-28 04:43:54,244 INFO L158 Benchmark]: Witness Printer took 121.28ms. Allocated memory is still 595.6MB. Free memory was 297.7MB in the beginning and 289.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:43:54,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.31ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 106.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.49ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.41ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1093.57ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 73.6MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11564.37ms. Allocated memory was 142.6MB in the beginning and 595.6MB in the end (delta: 453.0MB). Free memory was 73.1MB in the beginning and 297.7MB in the end (delta: -224.7MB). Peak memory consumption was 230.7MB. Max. memory is 16.1GB. * Witness Printer took 121.28ms. Allocated memory is still 595.6MB. Free memory was 297.7MB in the beginning and 289.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 710 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.2s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 129 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=902occurred in iteration=19, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3270 NumberOfCodeBlocks, 3270 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3246 ConstructedInterpolants, 0 QuantifiedInterpolants, 3294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:43:54,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6603a8e-3e9f-415e-8b9f-2383e7211f07/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE