./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.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_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/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_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/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_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/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 a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:09:47,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:09:47,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:09:47,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:09:47,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:09:47,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:09:47,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:09:47,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:09:47,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:09:47,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:09:47,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:09:47,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:09:47,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:09:47,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:09:47,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:09:47,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:09:47,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:09:47,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:09:47,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:09:47,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:09:47,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:09:47,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:09:47,205 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:09:47,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:09:47,206 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:09:47,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:09:47,206 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:09:47,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:09:47,206 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:09:47,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:09:47,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:09:47,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:09:47,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:09:47,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:09:47,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:09:47,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:09:47,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:09:47,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:09:47,209 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:09:47,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:09:47,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:09:47,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:09:47,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:09:47,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:09:47,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:09:47,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:09:47,210 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_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/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 -> a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a [2024-11-28 02:09:47,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:09:47,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:09:47,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:09:47,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:09:47,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:09:47,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2024-11-28 02:09:50,605 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/data/4637e3871/294256001ed04bdbb6ce11e9319b4172/FLAG3ea0b85e2 [2024-11-28 02:09:50,970 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:09:50,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2024-11-28 02:09:50,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/data/4637e3871/294256001ed04bdbb6ce11e9319b4172/FLAG3ea0b85e2 [2024-11-28 02:09:51,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/data/4637e3871/294256001ed04bdbb6ce11e9319b4172 [2024-11-28 02:09:51,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:09:51,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:09:51,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:09:51,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:09:51,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:09:51,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1953c4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51, skipping insertion in model container [2024-11-28 02:09:51,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:09:51,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:09:51,275 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:09:51,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:09:51,325 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:09:51,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51 WrapperNode [2024-11-28 02:09:51,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:09:51,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:09:51,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:09:51,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:09:51,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,369 INFO L138 Inliner]: procedures = 22, calls = 23, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 305 [2024-11-28 02:09:51,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:09:51,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:09:51,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:09:51,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:09:51,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:09:51,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:09:51,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:09:51,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:09:51,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (1/1) ... [2024-11-28 02:09:51,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:09:51,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:51,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:09:51,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:09:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:09:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:09:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:09:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 02:09:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-28 02:09:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-28 02:09:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-28 02:09:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-28 02:09:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:09:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:09:51,490 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 02:09:51,631 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:09:51,634 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:09:52,159 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:09:52,159 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:09:52,188 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:09:52,189 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 02:09:52,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:09:52 BoogieIcfgContainer [2024-11-28 02:09:52,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:09:52,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:09:52,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:09:52,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:09:52,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:09:51" (1/3) ... [2024-11-28 02:09:52,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f069083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:09:52, skipping insertion in model container [2024-11-28 02:09:52,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:09:51" (2/3) ... [2024-11-28 02:09:52,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f069083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:09:52, skipping insertion in model container [2024-11-28 02:09:52,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:09:52" (3/3) ... [2024-11-28 02:09:52,203 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2024-11-28 02:09:52,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:09:52,225 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier-loop.wvr.c that has 7 procedures, 379 locations, 1 initial locations, 4 loop locations, and 24 error locations. [2024-11-28 02:09:52,225 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:09:52,436 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-28 02:09:52,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 405 places, 408 transitions, 882 flow [2024-11-28 02:09:52,815 INFO L124 PetriNetUnfolderBase]: 22/394 cut-off events. [2024-11-28 02:09:52,820 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 02:09:52,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 394 events. 22/394 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 925 event pairs, 0 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 335. Up to 3 conditions per place. [2024-11-28 02:09:52,838 INFO L82 GeneralOperation]: Start removeDead. Operand has 405 places, 408 transitions, 882 flow [2024-11-28 02:09:52,847 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 375 places, 377 transitions, 799 flow [2024-11-28 02:09:52,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:09:52,876 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;@6cb89629, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:09:52,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-28 02:09:52,893 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:09:52,893 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-28 02:09:52,893 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:09:52,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:52,894 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] [2024-11-28 02:09:52,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:52,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:52,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1620941756, now seen corresponding path program 1 times [2024-11-28 02:09:52,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:52,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305155045] [2024-11-28 02:09:52,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:52,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:53,177 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 02:09:53,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:53,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305155045] [2024-11-28 02:09:53,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305155045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:53,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:53,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:53,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941816745] [2024-11-28 02:09:53,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:53,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:53,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:53,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:53,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:53,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:53,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 377 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:53,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:53,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:53,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:54,085 INFO L124 PetriNetUnfolderBase]: 116/1711 cut-off events. [2024-11-28 02:09:54,085 INFO L125 PetriNetUnfolderBase]: For 149/149 co-relation queries the response was YES. [2024-11-28 02:09:54,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2048 conditions, 1711 events. 116/1711 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12329 event pairs, 56 based on Foata normal form. 157/1625 useless extension candidates. Maximal degree in co-relation 1869. Up to 151 conditions per place. [2024-11-28 02:09:54,129 INFO L140 encePairwiseOnDemand]: 396/412 looper letters, 20 selfloop transitions, 2 changer transitions 1/363 dead transitions. [2024-11-28 02:09:54,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 363 transitions, 815 flow [2024-11-28 02:09:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-28 02:09:54,157 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-28 02:09:54,162 INFO L175 Difference]: Start difference. First operand has 375 places, 377 transitions, 799 flow. Second operand 3 states and 1128 transitions. [2024-11-28 02:09:54,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 363 transitions, 815 flow [2024-11-28 02:09:54,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 363 transitions, 786 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-11-28 02:09:54,189 INFO L231 Difference]: Finished difference. Result has 365 places, 362 transitions, 744 flow [2024-11-28 02:09:54,193 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=365, PETRI_TRANSITIONS=362} [2024-11-28 02:09:54,199 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -10 predicate places. [2024-11-28 02:09:54,199 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 362 transitions, 744 flow [2024-11-28 02:09:54,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:54,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:54,201 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] [2024-11-28 02:09:54,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:09:54,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:54,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:54,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2027469597, now seen corresponding path program 1 times [2024-11-28 02:09:54,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:54,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003252729] [2024-11-28 02:09:54,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:54,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:54,338 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 02:09:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003252729] [2024-11-28 02:09:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003252729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:54,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:54,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:54,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322611] [2024-11-28 02:09:54,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:54,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:54,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:54,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:54,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:54,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 362 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:54,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:54,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:54,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:55,074 INFO L124 PetriNetUnfolderBase]: 116/1709 cut-off events. [2024-11-28 02:09:55,076 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-28 02:09:55,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1929 conditions, 1709 events. 116/1709 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 11786 event pairs, 56 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 1878. Up to 151 conditions per place. [2024-11-28 02:09:55,108 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-11-28 02:09:55,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 361 transitions, 786 flow [2024-11-28 02:09:55,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:55,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:55,114 INFO L175 Difference]: Start difference. First operand has 365 places, 362 transitions, 744 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:55,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 361 transitions, 786 flow [2024-11-28 02:09:55,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 361 transitions, 782 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:55,128 INFO L231 Difference]: Finished difference. Result has 363 places, 361 transitions, 742 flow [2024-11-28 02:09:55,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=363, PETRI_TRANSITIONS=361} [2024-11-28 02:09:55,129 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -12 predicate places. [2024-11-28 02:09:55,129 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 361 transitions, 742 flow [2024-11-28 02:09:55,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:55,130 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:55,130 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] [2024-11-28 02:09:55,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:09:55,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:55,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1106190760, now seen corresponding path program 1 times [2024-11-28 02:09:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:55,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784910431] [2024-11-28 02:09:55,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:55,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:55,248 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 02:09:55,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:55,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784910431] [2024-11-28 02:09:55,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784910431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:55,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:55,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:55,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857358380] [2024-11-28 02:09:55,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:55,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:55,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:55,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:55,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:55,290 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:55,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 361 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:55,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:55,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:55,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:55,633 INFO L124 PetriNetUnfolderBase]: 116/1156 cut-off events. [2024-11-28 02:09:55,633 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-28 02:09:55,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 1156 events. 116/1156 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6967 event pairs, 56 based on Foata normal form. 0/991 useless extension candidates. Maximal degree in co-relation 1318. Up to 163 conditions per place. [2024-11-28 02:09:55,654 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-28 02:09:55,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 360 transitions, 784 flow [2024-11-28 02:09:55,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:55,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:55,660 INFO L175 Difference]: Start difference. First operand has 363 places, 361 transitions, 742 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:55,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 360 transitions, 784 flow [2024-11-28 02:09:55,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 360 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:55,668 INFO L231 Difference]: Finished difference. Result has 362 places, 360 transitions, 740 flow [2024-11-28 02:09:55,669 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=362, PETRI_TRANSITIONS=360} [2024-11-28 02:09:55,670 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -13 predicate places. [2024-11-28 02:09:55,670 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 360 transitions, 740 flow [2024-11-28 02:09:55,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:55,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:55,671 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] [2024-11-28 02:09:55,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:09:55,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:55,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash -965930030, now seen corresponding path program 1 times [2024-11-28 02:09:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:55,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908675754] [2024-11-28 02:09:55,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:55,758 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 02:09:55,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:55,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908675754] [2024-11-28 02:09:55,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908675754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:55,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:55,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:55,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200859442] [2024-11-28 02:09:55,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:55,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:55,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:55,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:55,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:55,796 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:55,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 360 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:55,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:55,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:55,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:56,112 INFO L124 PetriNetUnfolderBase]: 116/1155 cut-off events. [2024-11-28 02:09:56,113 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-28 02:09:56,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 1155 events. 116/1155 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6840 event pairs, 56 based on Foata normal form. 0/987 useless extension candidates. Maximal degree in co-relation 1310. Up to 163 conditions per place. [2024-11-28 02:09:56,132 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-11-28 02:09:56,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 359 transitions, 782 flow [2024-11-28 02:09:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:56,137 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:56,137 INFO L175 Difference]: Start difference. First operand has 362 places, 360 transitions, 740 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:56,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 359 transitions, 782 flow [2024-11-28 02:09:56,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 359 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:56,144 INFO L231 Difference]: Finished difference. Result has 361 places, 359 transitions, 738 flow [2024-11-28 02:09:56,145 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=361, PETRI_TRANSITIONS=359} [2024-11-28 02:09:56,146 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -14 predicate places. [2024-11-28 02:09:56,146 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 359 transitions, 738 flow [2024-11-28 02:09:56,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:56,147 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:56,148 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] [2024-11-28 02:09:56,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:09:56,148 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:56,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:56,149 INFO L85 PathProgramCache]: Analyzing trace with hash -603121257, now seen corresponding path program 1 times [2024-11-28 02:09:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:56,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557861186] [2024-11-28 02:09:56,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:56,220 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 02:09:56,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:56,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557861186] [2024-11-28 02:09:56,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557861186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:56,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:56,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:56,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942435230] [2024-11-28 02:09:56,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:56,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:56,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:56,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:56,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:56,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:56,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 359 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:56,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:56,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:56,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:56,616 INFO L124 PetriNetUnfolderBase]: 110/1386 cut-off events. [2024-11-28 02:09:56,617 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-28 02:09:56,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1598 conditions, 1386 events. 110/1386 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8900 event pairs, 56 based on Foata normal form. 0/1188 useless extension candidates. Maximal degree in co-relation 1526. Up to 151 conditions per place. [2024-11-28 02:09:56,639 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-28 02:09:56,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 358 transitions, 780 flow [2024-11-28 02:09:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:56,642 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:56,643 INFO L175 Difference]: Start difference. First operand has 361 places, 359 transitions, 738 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:56,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 358 transitions, 780 flow [2024-11-28 02:09:56,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 358 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:56,648 INFO L231 Difference]: Finished difference. Result has 360 places, 358 transitions, 736 flow [2024-11-28 02:09:56,649 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=360, PETRI_TRANSITIONS=358} [2024-11-28 02:09:56,652 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -15 predicate places. [2024-11-28 02:09:56,652 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 358 transitions, 736 flow [2024-11-28 02:09:56,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:56,653 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:56,653 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] [2024-11-28 02:09:56,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:09:56,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:56,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:56,654 INFO L85 PathProgramCache]: Analyzing trace with hash 680766678, now seen corresponding path program 1 times [2024-11-28 02:09:56,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:56,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491254721] [2024-11-28 02:09:56,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:56,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:56,736 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 02:09:56,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:56,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491254721] [2024-11-28 02:09:56,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491254721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:56,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:56,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:56,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637215610] [2024-11-28 02:09:56,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:56,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:56,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:56,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:56,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:56,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:56,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 358 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:56,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:56,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:56,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:57,061 INFO L124 PetriNetUnfolderBase]: 110/1385 cut-off events. [2024-11-28 02:09:57,061 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-28 02:09:57,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1597 conditions, 1385 events. 110/1385 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8370 event pairs, 56 based on Foata normal form. 0/1187 useless extension candidates. Maximal degree in co-relation 1518. Up to 151 conditions per place. [2024-11-28 02:09:57,086 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-28 02:09:57,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 357 transitions, 778 flow [2024-11-28 02:09:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:57,089 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:57,089 INFO L175 Difference]: Start difference. First operand has 360 places, 358 transitions, 736 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:57,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 357 transitions, 778 flow [2024-11-28 02:09:57,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 357 transitions, 774 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:57,096 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 734 flow [2024-11-28 02:09:57,097 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2024-11-28 02:09:57,098 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -16 predicate places. [2024-11-28 02:09:57,099 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 734 flow [2024-11-28 02:09:57,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:57,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:57,100 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 02:09:57,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:09:57,100 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:57,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:57,101 INFO L85 PathProgramCache]: Analyzing trace with hash 797241780, now seen corresponding path program 1 times [2024-11-28 02:09:57,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:57,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586590098] [2024-11-28 02:09:57,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:57,160 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 02:09:57,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:57,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586590098] [2024-11-28 02:09:57,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586590098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:57,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:57,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:57,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047809627] [2024-11-28 02:09:57,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:57,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:57,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:57,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:57,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:57,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:57,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:57,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:57,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:57,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:57,394 INFO L124 PetriNetUnfolderBase]: 112/926 cut-off events. [2024-11-28 02:09:57,394 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-28 02:09:57,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1138 conditions, 926 events. 112/926 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4905 event pairs, 56 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1052. Up to 163 conditions per place. [2024-11-28 02:09:57,408 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-28 02:09:57,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 356 transitions, 776 flow [2024-11-28 02:09:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:57,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:57,411 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 734 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:57,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 356 transitions, 776 flow [2024-11-28 02:09:57,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 356 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:57,421 INFO L231 Difference]: Finished difference. Result has 358 places, 356 transitions, 732 flow [2024-11-28 02:09:57,422 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=358, PETRI_TRANSITIONS=356} [2024-11-28 02:09:57,423 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -17 predicate places. [2024-11-28 02:09:57,423 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 356 transitions, 732 flow [2024-11-28 02:09:57,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:57,423 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:57,424 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] [2024-11-28 02:09:57,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:09:57,424 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:57,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash -589384487, now seen corresponding path program 1 times [2024-11-28 02:09:57,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:57,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753110255] [2024-11-28 02:09:57,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:57,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:57,508 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 02:09:57,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:57,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753110255] [2024-11-28 02:09:57,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753110255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:57,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:57,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:57,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809361997] [2024-11-28 02:09:57,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:57,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:57,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:57,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:57,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:57,535 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-28 02:09:57,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 356 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:57,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:57,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-28 02:09:57,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:57,754 INFO L124 PetriNetUnfolderBase]: 112/925 cut-off events. [2024-11-28 02:09:57,754 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-28 02:09:57,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 925 events. 112/925 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4917 event pairs, 56 based on Foata normal form. 0/787 useless extension candidates. Maximal degree in co-relation 1044. Up to 163 conditions per place. [2024-11-28 02:09:57,766 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-28 02:09:57,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 355 transitions, 774 flow [2024-11-28 02:09:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-28 02:09:57,769 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-28 02:09:57,769 INFO L175 Difference]: Start difference. First operand has 358 places, 356 transitions, 732 flow. Second operand 3 states and 1115 transitions. [2024-11-28 02:09:57,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 355 transitions, 774 flow [2024-11-28 02:09:57,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 355 transitions, 770 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:57,775 INFO L231 Difference]: Finished difference. Result has 357 places, 355 transitions, 730 flow [2024-11-28 02:09:57,775 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=357, PETRI_TRANSITIONS=355} [2024-11-28 02:09:57,776 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -18 predicate places. [2024-11-28 02:09:57,776 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 355 transitions, 730 flow [2024-11-28 02:09:57,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 02:09:57,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:57,777 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 02:09:57,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:09:57,777 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:57,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:57,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1636526129, now seen corresponding path program 1 times [2024-11-28 02:09:57,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:57,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978028679] [2024-11-28 02:09:57,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:57,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:57,930 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 02:09:57,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:57,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978028679] [2024-11-28 02:09:57,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978028679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:57,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:57,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:57,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806908816] [2024-11-28 02:09:57,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:57,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:57,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:57,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:57,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:57,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:09:57,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 355 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 02:09:57,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:57,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:09:57,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:58,333 INFO L124 PetriNetUnfolderBase]: 191/1845 cut-off events. [2024-11-28 02:09:58,334 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-28 02:09:58,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2222 conditions, 1845 events. 191/1845 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 13704 event pairs, 72 based on Foata normal form. 0/1576 useless extension candidates. Maximal degree in co-relation 2122. Up to 204 conditions per place. [2024-11-28 02:09:58,361 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-28 02:09:58,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 362 transitions, 811 flow [2024-11-28 02:09:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-28 02:09:58,364 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-28 02:09:58,364 INFO L175 Difference]: Start difference. First operand has 357 places, 355 transitions, 730 flow. Second operand 3 states and 1128 transitions. [2024-11-28 02:09:58,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 362 transitions, 811 flow [2024-11-28 02:09:58,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 362 transitions, 807 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:58,370 INFO L231 Difference]: Finished difference. Result has 356 places, 354 transitions, 728 flow [2024-11-28 02:09:58,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=356, PETRI_TRANSITIONS=354} [2024-11-28 02:09:58,372 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:09:58,372 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 354 transitions, 728 flow [2024-11-28 02:09:58,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 02:09:58,373 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:58,373 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] [2024-11-28 02:09:58,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:09:58,373 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:58,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:58,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1577050702, now seen corresponding path program 1 times [2024-11-28 02:09:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:58,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382956536] [2024-11-28 02:09:58,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:58,484 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 02:09:58,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:58,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382956536] [2024-11-28 02:09:58,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382956536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:58,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:58,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:58,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527314508] [2024-11-28 02:09:58,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:58,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:58,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:58,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:58,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:58,501 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:09:58,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 354 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 02:09:58,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:58,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:09:58,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:58,962 INFO L124 PetriNetUnfolderBase]: 171/1831 cut-off events. [2024-11-28 02:09:58,963 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-11-28 02:09:58,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 1831 events. 171/1831 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 13513 event pairs, 40 based on Foata normal form. 0/1575 useless extension candidates. Maximal degree in co-relation 1175. Up to 129 conditions per place. [2024-11-28 02:09:58,995 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 31 selfloop transitions, 2 changer transitions 0/367 dead transitions. [2024-11-28 02:09:58,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 367 transitions, 836 flow [2024-11-28 02:09:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1138 transitions. [2024-11-28 02:09:59,000 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9207119741100324 [2024-11-28 02:09:59,000 INFO L175 Difference]: Start difference. First operand has 356 places, 354 transitions, 728 flow. Second operand 3 states and 1138 transitions. [2024-11-28 02:09:59,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 367 transitions, 836 flow [2024-11-28 02:09:59,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 367 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:09:59,009 INFO L231 Difference]: Finished difference. Result has 356 places, 354 transitions, 732 flow [2024-11-28 02:09:59,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=356, PETRI_TRANSITIONS=354} [2024-11-28 02:09:59,012 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:09:59,012 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 354 transitions, 732 flow [2024-11-28 02:09:59,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 02:09:59,013 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:59,014 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] [2024-11-28 02:09:59,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:09:59,014 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:59,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:59,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1476346227, now seen corresponding path program 1 times [2024-11-28 02:09:59,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:59,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624387656] [2024-11-28 02:09:59,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:59,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:59,129 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 02:09:59,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:59,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624387656] [2024-11-28 02:09:59,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624387656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:59,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:59,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:59,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231594754] [2024-11-28 02:09:59,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:59,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:59,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:59,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:59,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:59,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:09:59,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 354 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:09:59,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:59,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:09:59,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:59,642 INFO L124 PetriNetUnfolderBase]: 362/2143 cut-off events. [2024-11-28 02:09:59,643 INFO L125 PetriNetUnfolderBase]: For 146/152 co-relation queries the response was YES. [2024-11-28 02:09:59,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2745 conditions, 2143 events. 362/2143 cut-off events. For 146/152 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 15416 event pairs, 119 based on Foata normal form. 0/1742 useless extension candidates. Maximal degree in co-relation 1935. Up to 364 conditions per place. [2024-11-28 02:09:59,677 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-28 02:09:59,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 362 transitions, 818 flow [2024-11-28 02:09:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:09:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-28 02:09:59,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-28 02:09:59,681 INFO L175 Difference]: Start difference. First operand has 356 places, 354 transitions, 732 flow. Second operand 3 states and 1129 transitions. [2024-11-28 02:09:59,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 362 transitions, 818 flow [2024-11-28 02:09:59,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 362 transitions, 816 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:09:59,687 INFO L231 Difference]: Finished difference. Result has 356 places, 353 transitions, 732 flow [2024-11-28 02:09:59,690 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=356, PETRI_TRANSITIONS=353} [2024-11-28 02:09:59,690 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:09:59,691 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 353 transitions, 732 flow [2024-11-28 02:09:59,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:09:59,691 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:59,691 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] [2024-11-28 02:09:59,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:09:59,692 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:09:59,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:59,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1976516329, now seen corresponding path program 1 times [2024-11-28 02:09:59,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:59,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931795983] [2024-11-28 02:09:59,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:59,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:59,775 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 02:09:59,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:59,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931795983] [2024-11-28 02:09:59,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931795983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:59,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:59,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:09:59,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903273668] [2024-11-28 02:09:59,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:59,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:59,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:59,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:59,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:59,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:09:59,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 353 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:09:59,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:59,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:09:59,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:00,213 INFO L124 PetriNetUnfolderBase]: 294/1955 cut-off events. [2024-11-28 02:10:00,213 INFO L125 PetriNetUnfolderBase]: For 113/129 co-relation queries the response was YES. [2024-11-28 02:10:00,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2491 conditions, 1955 events. 294/1955 cut-off events. For 113/129 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 13299 event pairs, 113 based on Foata normal form. 0/1648 useless extension candidates. Maximal degree in co-relation 2452. Up to 316 conditions per place. [2024-11-28 02:10:00,248 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-28 02:10:00,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 360 transitions, 812 flow [2024-11-28 02:10:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:00,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-28 02:10:00,251 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-28 02:10:00,251 INFO L175 Difference]: Start difference. First operand has 356 places, 353 transitions, 732 flow. Second operand 3 states and 1128 transitions. [2024-11-28 02:10:00,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 360 transitions, 812 flow [2024-11-28 02:10:00,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 360 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:00,257 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 730 flow [2024-11-28 02:10:00,258 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2024-11-28 02:10:00,259 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:00,259 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 730 flow [2024-11-28 02:10:00,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:10:00,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:00,260 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] [2024-11-28 02:10:00,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:10:00,260 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:00,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:00,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1366303740, now seen corresponding path program 1 times [2024-11-28 02:10:00,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727177531] [2024-11-28 02:10:00,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:10:00,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:00,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727177531] [2024-11-28 02:10:00,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727177531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:00,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:00,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283407617] [2024-11-28 02:10:00,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:00,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:00,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:00,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:00,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:00,352 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:00,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:00,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:00,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:00,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:00,809 INFO L124 PetriNetUnfolderBase]: 286/2077 cut-off events. [2024-11-28 02:10:00,809 INFO L125 PetriNetUnfolderBase]: For 127/133 co-relation queries the response was YES. [2024-11-28 02:10:00,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 2077 events. 286/2077 cut-off events. For 127/133 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 14747 event pairs, 65 based on Foata normal form. 0/1745 useless extension candidates. Maximal degree in co-relation 2342. Up to 215 conditions per place. [2024-11-28 02:10:00,841 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-11-28 02:10:00,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 364 transitions, 831 flow [2024-11-28 02:10:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-28 02:10:00,844 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-28 02:10:00,845 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 730 flow. Second operand 3 states and 1137 transitions. [2024-11-28 02:10:00,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 364 transitions, 831 flow [2024-11-28 02:10:00,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 364 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:00,852 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 734 flow [2024-11-28 02:10:00,853 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2024-11-28 02:10:00,854 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:00,854 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 734 flow [2024-11-28 02:10:00,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:00,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:00,855 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] [2024-11-28 02:10:00,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:10:00,856 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:00,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:00,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1602636181, now seen corresponding path program 1 times [2024-11-28 02:10:00,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:00,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461283438] [2024-11-28 02:10:00,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:00,934 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 02:10:00,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:00,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461283438] [2024-11-28 02:10:00,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461283438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:00,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:00,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:00,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435904485] [2024-11-28 02:10:00,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:00,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:00,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:00,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:00,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:00,956 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:00,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:00,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:00,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:00,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:01,556 INFO L124 PetriNetUnfolderBase]: 371/2780 cut-off events. [2024-11-28 02:10:01,556 INFO L125 PetriNetUnfolderBase]: For 165/189 co-relation queries the response was YES. [2024-11-28 02:10:01,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3436 conditions, 2780 events. 371/2780 cut-off events. For 165/189 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 20999 event pairs, 93 based on Foata normal form. 0/2326 useless extension candidates. Maximal degree in co-relation 2472. Up to 295 conditions per place. [2024-11-28 02:10:01,598 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-11-28 02:10:01,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 364 transitions, 834 flow [2024-11-28 02:10:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-28 02:10:01,601 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-28 02:10:01,602 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 734 flow. Second operand 3 states and 1137 transitions. [2024-11-28 02:10:01,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 364 transitions, 834 flow [2024-11-28 02:10:01,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 364 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:10:01,608 INFO L231 Difference]: Finished difference. Result has 356 places, 352 transitions, 740 flow [2024-11-28 02:10:01,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=356, PETRI_TRANSITIONS=352} [2024-11-28 02:10:01,610 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:10:01,610 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 352 transitions, 740 flow [2024-11-28 02:10:01,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:01,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:01,612 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] [2024-11-28 02:10:01,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:10:01,612 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread6Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:01,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:01,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1659433820, now seen corresponding path program 1 times [2024-11-28 02:10:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:01,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946353967] [2024-11-28 02:10:01,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:01,695 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 02:10:01,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:01,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946353967] [2024-11-28 02:10:01,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946353967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:01,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:01,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:01,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066154014] [2024-11-28 02:10:01,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:01,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:01,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:01,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:01,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:01,717 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:10:01,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 352 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 02:10:01,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:01,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:10:01,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:02,369 INFO L124 PetriNetUnfolderBase]: 808/3108 cut-off events. [2024-11-28 02:10:02,370 INFO L125 PetriNetUnfolderBase]: For 423/466 co-relation queries the response was YES. [2024-11-28 02:10:02,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4329 conditions, 3108 events. 808/3108 cut-off events. For 423/466 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 22281 event pairs, 266 based on Foata normal form. 0/2371 useless extension candidates. Maximal degree in co-relation 3189. Up to 797 conditions per place. [2024-11-28 02:10:02,409 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-28 02:10:02,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 360 transitions, 825 flow [2024-11-28 02:10:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-28 02:10:02,412 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-28 02:10:02,412 INFO L175 Difference]: Start difference. First operand has 356 places, 352 transitions, 740 flow. Second operand 3 states and 1129 transitions. [2024-11-28 02:10:02,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 360 transitions, 825 flow [2024-11-28 02:10:02,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 360 transitions, 823 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:10:02,419 INFO L231 Difference]: Finished difference. Result has 356 places, 351 transitions, 740 flow [2024-11-28 02:10:02,420 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=356, PETRI_TRANSITIONS=351} [2024-11-28 02:10:02,421 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:10:02,421 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 351 transitions, 740 flow [2024-11-28 02:10:02,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 02:10:02,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:02,422 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] [2024-11-28 02:10:02,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:10:02,422 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:02,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:02,423 INFO L85 PathProgramCache]: Analyzing trace with hash -223287786, now seen corresponding path program 1 times [2024-11-28 02:10:02,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:02,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013018195] [2024-11-28 02:10:02,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:02,498 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 02:10:02,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:02,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013018195] [2024-11-28 02:10:02,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013018195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:02,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:02,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:02,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502997727] [2024-11-28 02:10:02,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:02,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:02,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:02,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:02,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:02,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:10:02,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 351 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 02:10:02,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:02,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:10:02,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:03,164 INFO L124 PetriNetUnfolderBase]: 368/2573 cut-off events. [2024-11-28 02:10:03,164 INFO L125 PetriNetUnfolderBase]: For 145/224 co-relation queries the response was YES. [2024-11-28 02:10:03,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3338 conditions, 2573 events. 368/2573 cut-off events. For 145/224 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 19667 event pairs, 146 based on Foata normal form. 7/2201 useless extension candidates. Maximal degree in co-relation 3087. Up to 435 conditions per place. [2024-11-28 02:10:03,188 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-28 02:10:03,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 821 flow [2024-11-28 02:10:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-28 02:10:03,191 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-28 02:10:03,191 INFO L175 Difference]: Start difference. First operand has 356 places, 351 transitions, 740 flow. Second operand 3 states and 1128 transitions. [2024-11-28 02:10:03,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 821 flow [2024-11-28 02:10:03,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 817 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:03,197 INFO L231 Difference]: Finished difference. Result has 355 places, 350 transitions, 738 flow [2024-11-28 02:10:03,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=355, PETRI_TRANSITIONS=350} [2024-11-28 02:10:03,198 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:03,198 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 350 transitions, 738 flow [2024-11-28 02:10:03,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 02:10:03,199 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:03,199 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] [2024-11-28 02:10:03,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:10:03,199 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread6Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:03,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:03,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1120437064, now seen corresponding path program 1 times [2024-11-28 02:10:03,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:03,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775880569] [2024-11-28 02:10:03,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:03,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:10:03,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:03,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775880569] [2024-11-28 02:10:03,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775880569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:03,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:03,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:03,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592559998] [2024-11-28 02:10:03,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:03,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:03,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:03,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:03,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:03,269 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:03,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 350 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 02:10:03,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:03,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:03,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:04,051 INFO L124 PetriNetUnfolderBase]: 609/3335 cut-off events. [2024-11-28 02:10:04,051 INFO L125 PetriNetUnfolderBase]: For 323/356 co-relation queries the response was YES. [2024-11-28 02:10:04,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4299 conditions, 3335 events. 609/3335 cut-off events. For 323/356 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24931 event pairs, 142 based on Foata normal form. 1/2704 useless extension candidates. Maximal degree in co-relation 3053. Up to 466 conditions per place. [2024-11-28 02:10:04,083 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 29 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-11-28 02:10:04,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 361 transitions, 833 flow [2024-11-28 02:10:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-28 02:10:04,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.919093851132686 [2024-11-28 02:10:04,086 INFO L175 Difference]: Start difference. First operand has 355 places, 350 transitions, 738 flow. Second operand 3 states and 1136 transitions. [2024-11-28 02:10:04,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 361 transitions, 833 flow [2024-11-28 02:10:04,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 361 transitions, 829 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:04,091 INFO L231 Difference]: Finished difference. Result has 355 places, 350 transitions, 742 flow [2024-11-28 02:10:04,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=355, PETRI_TRANSITIONS=350} [2024-11-28 02:10:04,093 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:04,093 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 350 transitions, 742 flow [2024-11-28 02:10:04,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 02:10:04,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:04,094 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] [2024-11-28 02:10:04,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:10:04,095 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:04,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:04,095 INFO L85 PathProgramCache]: Analyzing trace with hash 938846204, now seen corresponding path program 1 times [2024-11-28 02:10:04,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:04,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948953537] [2024-11-28 02:10:04,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:04,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:04,156 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 02:10:04,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:04,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948953537] [2024-11-28 02:10:04,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948953537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:04,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:04,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:04,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712677227] [2024-11-28 02:10:04,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:04,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:04,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:04,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:04,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:04,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:04,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 350 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 02:10:04,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:04,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:04,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:04,812 INFO L124 PetriNetUnfolderBase]: 406/2971 cut-off events. [2024-11-28 02:10:04,812 INFO L125 PetriNetUnfolderBase]: For 185/263 co-relation queries the response was YES. [2024-11-28 02:10:04,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3787 conditions, 2971 events. 406/2971 cut-off events. For 185/263 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 23255 event pairs, 89 based on Foata normal form. 9/2535 useless extension candidates. Maximal degree in co-relation 2914. Up to 299 conditions per place. [2024-11-28 02:10:04,860 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 31 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2024-11-28 02:10:04,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 363 transitions, 848 flow [2024-11-28 02:10:04,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1138 transitions. [2024-11-28 02:10:04,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9207119741100324 [2024-11-28 02:10:04,864 INFO L175 Difference]: Start difference. First operand has 355 places, 350 transitions, 742 flow. Second operand 3 states and 1138 transitions. [2024-11-28 02:10:04,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 363 transitions, 848 flow [2024-11-28 02:10:04,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 363 transitions, 846 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:10:04,870 INFO L231 Difference]: Finished difference. Result has 356 places, 350 transitions, 748 flow [2024-11-28 02:10:04,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=356, PETRI_TRANSITIONS=350} [2024-11-28 02:10:04,871 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:10:04,871 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 350 transitions, 748 flow [2024-11-28 02:10:04,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 02:10:04,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:04,872 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] [2024-11-28 02:10:04,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:10:04,872 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:04,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:04,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1353168580, now seen corresponding path program 1 times [2024-11-28 02:10:04,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:04,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989132257] [2024-11-28 02:10:04,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:04,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:04,951 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 02:10:04,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:04,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989132257] [2024-11-28 02:10:04,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989132257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:04,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:04,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:04,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399104826] [2024-11-28 02:10:04,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:04,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:04,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:04,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:04,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:04,972 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:10:04,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 350 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:10:04,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:04,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:10:04,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:05,611 INFO L124 PetriNetUnfolderBase]: 712/3268 cut-off events. [2024-11-28 02:10:05,612 INFO L125 PetriNetUnfolderBase]: For 342/400 co-relation queries the response was YES. [2024-11-28 02:10:05,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4485 conditions, 3268 events. 712/3268 cut-off events. For 342/400 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25122 event pairs, 245 based on Foata normal form. 0/2592 useless extension candidates. Maximal degree in co-relation 3435. Up to 744 conditions per place. [2024-11-28 02:10:05,648 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-28 02:10:05,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 834 flow [2024-11-28 02:10:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-28 02:10:05,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-28 02:10:05,651 INFO L175 Difference]: Start difference. First operand has 356 places, 350 transitions, 748 flow. Second operand 3 states and 1129 transitions. [2024-11-28 02:10:05,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 834 flow [2024-11-28 02:10:05,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 358 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:10:05,657 INFO L231 Difference]: Finished difference. Result has 356 places, 349 transitions, 748 flow [2024-11-28 02:10:05,658 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=356, PETRI_TRANSITIONS=349} [2024-11-28 02:10:05,658 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:10:05,659 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 349 transitions, 748 flow [2024-11-28 02:10:05,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:10:05,659 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:05,659 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] [2024-11-28 02:10:05,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:10:05,660 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread5Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:05,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1021539955, now seen corresponding path program 1 times [2024-11-28 02:10:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:05,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834637587] [2024-11-28 02:10:05,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:05,750 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 02:10:05,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:05,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834637587] [2024-11-28 02:10:05,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834637587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:05,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:05,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:05,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847228956] [2024-11-28 02:10:05,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:05,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:05,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:05,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:05,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:05,776 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:10:05,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 349 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:10:05,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:05,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:10:05,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:06,255 INFO L124 PetriNetUnfolderBase]: 528/2946 cut-off events. [2024-11-28 02:10:06,255 INFO L125 PetriNetUnfolderBase]: For 253/389 co-relation queries the response was YES. [2024-11-28 02:10:06,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3971 conditions, 2946 events. 528/2946 cut-off events. For 253/389 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 22474 event pairs, 215 based on Foata normal form. 10/2465 useless extension candidates. Maximal degree in co-relation 3009. Up to 610 conditions per place. [2024-11-28 02:10:06,288 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-28 02:10:06,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 356 transitions, 828 flow [2024-11-28 02:10:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-28 02:10:06,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-28 02:10:06,291 INFO L175 Difference]: Start difference. First operand has 356 places, 349 transitions, 748 flow. Second operand 3 states and 1128 transitions. [2024-11-28 02:10:06,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 356 transitions, 828 flow [2024-11-28 02:10:06,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 356 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:06,296 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 746 flow [2024-11-28 02:10:06,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2024-11-28 02:10:06,297 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:06,297 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 746 flow [2024-11-28 02:10:06,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 02:10:06,298 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:06,298 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] [2024-11-28 02:10:06,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:10:06,298 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:06,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:06,299 INFO L85 PathProgramCache]: Analyzing trace with hash -316888386, now seen corresponding path program 1 times [2024-11-28 02:10:06,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:06,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256166904] [2024-11-28 02:10:06,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:06,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:06,365 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 02:10:06,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:06,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256166904] [2024-11-28 02:10:06,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256166904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:06,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:06,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:06,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447397049] [2024-11-28 02:10:06,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:06,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:06,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:06,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:06,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:06,382 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:06,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 746 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:06,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:06,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:06,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:07,007 INFO L124 PetriNetUnfolderBase]: 542/3039 cut-off events. [2024-11-28 02:10:07,007 INFO L125 PetriNetUnfolderBase]: For 265/311 co-relation queries the response was YES. [2024-11-28 02:10:07,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4017 conditions, 3039 events. 542/3039 cut-off events. For 265/311 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 22742 event pairs, 117 based on Foata normal form. 0/2517 useless extension candidates. Maximal degree in co-relation 3073. Up to 399 conditions per place. [2024-11-28 02:10:07,035 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-28 02:10:07,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 360 transitions, 847 flow [2024-11-28 02:10:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-28 02:10:07,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-28 02:10:07,037 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 746 flow. Second operand 3 states and 1137 transitions. [2024-11-28 02:10:07,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 360 transitions, 847 flow [2024-11-28 02:10:07,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 360 transitions, 843 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:07,045 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 750 flow [2024-11-28 02:10:07,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2024-11-28 02:10:07,046 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:07,046 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 750 flow [2024-11-28 02:10:07,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:07,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:07,047 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] [2024-11-28 02:10:07,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:10:07,047 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread5Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:07,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:07,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1440406444, now seen corresponding path program 1 times [2024-11-28 02:10:07,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:07,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440895288] [2024-11-28 02:10:07,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:07,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:07,125 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 02:10:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440895288] [2024-11-28 02:10:07,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440895288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:07,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:07,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321689781] [2024-11-28 02:10:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:07,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:07,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:07,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:07,141 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:07,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:07,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:07,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:07,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:07,781 INFO L124 PetriNetUnfolderBase]: 433/3160 cut-off events. [2024-11-28 02:10:07,781 INFO L125 PetriNetUnfolderBase]: For 211/327 co-relation queries the response was YES. [2024-11-28 02:10:07,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4036 conditions, 3160 events. 433/3160 cut-off events. For 211/327 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 24576 event pairs, 105 based on Foata normal form. 10/2715 useless extension candidates. Maximal degree in co-relation 3067. Up to 339 conditions per place. [2024-11-28 02:10:07,811 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-28 02:10:07,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 360 transitions, 850 flow [2024-11-28 02:10:07,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-28 02:10:07,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-28 02:10:07,814 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 750 flow. Second operand 3 states and 1137 transitions. [2024-11-28 02:10:07,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 360 transitions, 850 flow [2024-11-28 02:10:07,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 360 transitions, 848 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:10:07,818 INFO L231 Difference]: Finished difference. Result has 356 places, 348 transitions, 756 flow [2024-11-28 02:10:07,818 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=356, PETRI_TRANSITIONS=348} [2024-11-28 02:10:07,819 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:10:07,819 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 348 transitions, 756 flow [2024-11-28 02:10:07,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 02:10:07,819 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:07,819 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] [2024-11-28 02:10:07,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:10:07,819 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread6Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:07,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:07,820 INFO L85 PathProgramCache]: Analyzing trace with hash -615611440, now seen corresponding path program 1 times [2024-11-28 02:10:07,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:07,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044660938] [2024-11-28 02:10:07,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:07,893 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 02:10:07,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:07,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044660938] [2024-11-28 02:10:07,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044660938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:07,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:07,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:07,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31470023] [2024-11-28 02:10:07,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:07,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:07,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:07,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:07,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:07,912 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-28 02:10:07,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 348 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 02:10:07,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:07,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-28 02:10:07,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:08,625 INFO L124 PetriNetUnfolderBase]: 821/3691 cut-off events. [2024-11-28 02:10:08,625 INFO L125 PetriNetUnfolderBase]: For 443/468 co-relation queries the response was YES. [2024-11-28 02:10:08,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5085 conditions, 3691 events. 821/3691 cut-off events. For 443/468 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 28678 event pairs, 290 based on Foata normal form. 0/2960 useless extension candidates. Maximal degree in co-relation 3609. Up to 836 conditions per place. [2024-11-28 02:10:08,661 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-28 02:10:08,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 356 transitions, 841 flow [2024-11-28 02:10:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-28 02:10:08,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-28 02:10:08,664 INFO L175 Difference]: Start difference. First operand has 356 places, 348 transitions, 756 flow. Second operand 3 states and 1129 transitions. [2024-11-28 02:10:08,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 356 transitions, 841 flow [2024-11-28 02:10:08,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 356 transitions, 839 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:10:08,667 INFO L231 Difference]: Finished difference. Result has 356 places, 347 transitions, 756 flow [2024-11-28 02:10:08,667 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=356, PETRI_TRANSITIONS=347} [2024-11-28 02:10:08,668 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-28 02:10:08,668 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 347 transitions, 756 flow [2024-11-28 02:10:08,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 02:10:08,668 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:10:08,669 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] [2024-11-28 02:10:08,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:10:08,669 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread6Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-28 02:10:08,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash -168953849, now seen corresponding path program 1 times [2024-11-28 02:10:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:08,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118096833] [2024-11-28 02:10:08,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:08,721 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 02:10:08,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:08,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118096833] [2024-11-28 02:10:08,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118096833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:08,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:08,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:10:08,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501268587] [2024-11-28 02:10:08,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:08,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:10:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:08,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:10:08,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:10:08,734 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-28 02:10:08,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 347 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 02:10:08,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:10:08,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-28 02:10:08,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:10:09,347 INFO L124 PetriNetUnfolderBase]: 609/3532 cut-off events. [2024-11-28 02:10:09,347 INFO L125 PetriNetUnfolderBase]: For 401/426 co-relation queries the response was YES. [2024-11-28 02:10:09,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4731 conditions, 3532 events. 609/3532 cut-off events. For 401/426 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 26979 event pairs, 142 based on Foata normal form. 0/2964 useless extension candidates. Maximal degree in co-relation 3375. Up to 466 conditions per place. [2024-11-28 02:10:09,368 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 0 selfloop transitions, 0 changer transitions 358/358 dead transitions. [2024-11-28 02:10:09,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 853 flow [2024-11-28 02:10:09,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:10:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:10:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-28 02:10:09,371 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.919093851132686 [2024-11-28 02:10:09,371 INFO L175 Difference]: Start difference. First operand has 356 places, 347 transitions, 756 flow. Second operand 3 states and 1136 transitions. [2024-11-28 02:10:09,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 853 flow [2024-11-28 02:10:09,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 847 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:10:09,373 INFO L231 Difference]: Finished difference. Result has 355 places, 0 transitions, 0 flow [2024-11-28 02:10:09,373 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=355, PETRI_TRANSITIONS=0} [2024-11-28 02:10:09,374 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-28 02:10:09,374 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 0 transitions, 0 flow [2024-11-28 02:10:09,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 02:10:09,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining) [2024-11-28 02:10:09,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 50 remaining) [2024-11-28 02:10:09,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-11-28 02:10:09,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-11-28 02:10:09,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-11-28 02:10:09,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 50 remaining) [2024-11-28 02:10:09,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork4Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-11-28 02:10:09,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-11-28 02:10:09,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-11-28 02:10:09,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:10:09,381 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 02:10:09,386 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:10:09,386 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:10:09,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:10:09 BasicIcfg [2024-11-28 02:10:09,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:10:09,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:10:09,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:10:09,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:10:09,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:09:52" (3/4) ... [2024-11-28 02:10:09,398 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:10:09,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:10:09,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:10:09,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:10:09,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 02:10:09,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-28 02:10:09,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-11-28 02:10:09,406 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 02:10:09,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:10:09,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:10:09,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:10:09,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:10:09,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:10:09,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:10:09,491 INFO L158 Benchmark]: Toolchain (without parser) took 18471.30ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 104.4MB in the beginning and 527.9MB in the end (delta: -423.5MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. [2024-11-28 02:10:09,492 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:10:09,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.39ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:10:09,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 89.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:10:09,493 INFO L158 Benchmark]: Boogie Preprocessor took 34.65ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 87.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:10:09,493 INFO L158 Benchmark]: RCFGBuilder took 784.17ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 62.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:10:09,494 INFO L158 Benchmark]: TraceAbstraction took 17201.39ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 62.0MB in the beginning and 532.3MB in the end (delta: -470.3MB). Peak memory consumption was 405.0MB. Max. memory is 16.1GB. [2024-11-28 02:10:09,494 INFO L158 Benchmark]: Witness Printer took 94.01ms. Allocated memory is still 729.8MB. Free memory was 532.3MB in the beginning and 527.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:10:09,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.39ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 89.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.65ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 87.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 784.17ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 62.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17201.39ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 62.0MB in the beginning and 532.3MB in the end (delta: -470.3MB). Peak memory consumption was 405.0MB. Max. memory is 16.1GB. * Witness Printer took 94.01ms. Allocated memory is still 729.8MB. Free memory was 532.3MB in the beginning and 527.9MB in the end (delta: 4.3MB). 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 613 locations, 50 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: 16.9s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 574 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1274 IncrementalHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 92 mSDtfsCounter, 1274 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=799occurred in iteration=0, 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, 2988 NumberOfCodeBlocks, 2988 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2964 ConstructedInterpolants, 0 QuantifiedInterpolants, 3012 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:10:09,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1507e84-bc0b-4faf-a82c-fd57f5c9c38a/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