./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sorted.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_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/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_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/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_dbc7286a-c8cf-4a21-9757-821d4531b99d/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 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:31:27,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:31:27,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:31:27,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:31:27,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:31:27,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:31:27,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:31:27,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:31:27,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:31:27,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:31:27,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:31:27,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:31:27,420 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:31:27,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:31:27,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:31:27,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:31:27,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:31:27,421 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:31:27,422 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:31:27,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:31:27,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:31:27,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:31:27,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:31:27,424 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:31:27,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:31:27,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:31:27,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:31:27,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:31:27,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:31:27,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:31:27,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:31:27,426 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_dbc7286a-c8cf-4a21-9757-821d4531b99d/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 -> 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 [2024-11-28 03:31:27,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:31:27,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:31:27,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:31:27,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:31:27,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:31:27,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-11-28 03:31:31,298 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/data/792737372/17adce1fed454818b63ef44de7002eec/FLAG985cef1ca [2024-11-28 03:31:31,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:31:31,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-11-28 03:31:31,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/data/792737372/17adce1fed454818b63ef44de7002eec/FLAG985cef1ca [2024-11-28 03:31:31,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/data/792737372/17adce1fed454818b63ef44de7002eec [2024-11-28 03:31:31,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:31:31,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:31:31,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:31:31,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:31:31,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:31:31,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:31" (1/1) ... [2024-11-28 03:31:31,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11302be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:31, skipping insertion in model container [2024-11-28 03:31:31,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:31" (1/1) ... [2024-11-28 03:31:31,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:31:32,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:31:32,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:31:32,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:31:32,179 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:31:32,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32 WrapperNode [2024-11-28 03:31:32,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:31:32,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:31:32,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:31:32,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:31:32,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,227 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-28 03:31:32,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:31:32,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:31:32,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:31:32,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:31:32,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,257 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:31:32,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:31:32,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:31:32,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:31:32,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (1/1) ... [2024-11-28 03:31:32,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:31:32,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:32,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:31:32,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:31:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:31:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:31:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:31:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:31:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:31:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:31:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:31:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:31:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:31:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:31:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:31:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:31:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:31:32,363 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 03:31:32,504 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:31:32,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:31:33,272 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:31:33,273 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:31:33,295 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:31:33,295 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:31:33,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:33 BoogieIcfgContainer [2024-11-28 03:31:33,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:31:33,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:31:33,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:31:33,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:31:33,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:31:31" (1/3) ... [2024-11-28 03:31:33,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2587ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:31:33, skipping insertion in model container [2024-11-28 03:31:33,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:32" (2/3) ... [2024-11-28 03:31:33,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2587ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:31:33, skipping insertion in model container [2024-11-28 03:31:33,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:33" (3/3) ... [2024-11-28 03:31:33,311 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-11-28 03:31:33,331 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:31:33,333 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-sorted.wvr.c that has 4 procedures, 323 locations, 1 initial locations, 4 loop locations, and 36 error locations. [2024-11-28 03:31:33,334 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:31:33,559 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 03:31:33,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 339 transitions, 699 flow [2024-11-28 03:31:33,835 INFO L124 PetriNetUnfolderBase]: 17/336 cut-off events. [2024-11-28 03:31:33,838 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:31:33,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 336 events. 17/336 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 701 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 251. Up to 2 conditions per place. [2024-11-28 03:31:33,850 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 339 transitions, 699 flow [2024-11-28 03:31:33,861 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 311 places, 316 transitions, 650 flow [2024-11-28 03:31:33,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:31:33,903 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;@466811f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:31:33,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-28 03:31:33,913 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:31:33,914 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-28 03:31:33,914 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:31:33,915 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:33,916 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] [2024-11-28 03:31:33,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:33,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash 701111625, now seen corresponding path program 1 times [2024-11-28 03:31:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:33,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365902360] [2024-11-28 03:31:33,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:33,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:34,168 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 03:31:34,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:34,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365902360] [2024-11-28 03:31:34,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365902360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:34,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:34,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:34,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226050095] [2024-11-28 03:31:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:34,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:34,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:34,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:34,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:34,306 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-11-28 03:31:34,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 316 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 03:31:34,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:34,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-11-28 03:31:34,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:34,651 INFO L124 PetriNetUnfolderBase]: 28/613 cut-off events. [2024-11-28 03:31:34,651 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-28 03:31:34,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 613 events. 28/613 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2703 event pairs, 7 based on Foata normal form. 16/524 useless extension candidates. Maximal degree in co-relation 439. Up to 31 conditions per place. [2024-11-28 03:31:34,667 INFO L140 encePairwiseOnDemand]: 329/339 looper letters, 13 selfloop transitions, 2 changer transitions 3/308 dead transitions. [2024-11-28 03:31:34,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 664 flow [2024-11-28 03:31:34,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-28 03:31:34,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-11-28 03:31:34,700 INFO L175 Difference]: Start difference. First operand has 311 places, 316 transitions, 650 flow. Second operand 3 states and 962 transitions. [2024-11-28 03:31:34,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 664 flow [2024-11-28 03:31:34,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 652 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 03:31:34,721 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 620 flow [2024-11-28 03:31:34,725 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2024-11-28 03:31:34,732 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -5 predicate places. [2024-11-28 03:31:34,733 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 620 flow [2024-11-28 03:31:34,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 03:31:34,735 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:34,735 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] [2024-11-28 03:31:34,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:31:34,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:34,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:34,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2007876258, now seen corresponding path program 1 times [2024-11-28 03:31:34,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:34,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650049387] [2024-11-28 03:31:34,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:34,853 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 03:31:34,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:34,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650049387] [2024-11-28 03:31:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650049387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:34,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509930348] [2024-11-28 03:31:34,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:34,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:34,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:34,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:34,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:34,927 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-11-28 03:31:34,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 03:31:34,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:34,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-11-28 03:31:34,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:35,088 INFO L124 PetriNetUnfolderBase]: 19/455 cut-off events. [2024-11-28 03:31:35,088 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:31:35,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 455 events. 19/455 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1759 event pairs, 5 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 462. Up to 27 conditions per place. [2024-11-28 03:31:35,097 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-28 03:31:35,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 304 transitions, 648 flow [2024-11-28 03:31:35,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-28 03:31:35,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2024-11-28 03:31:35,103 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-11-28 03:31:35,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 304 transitions, 648 flow [2024-11-28 03:31:35,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 304 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:35,134 INFO L231 Difference]: Finished difference. Result has 302 places, 304 transitions, 618 flow [2024-11-28 03:31:35,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=302, PETRI_TRANSITIONS=304} [2024-11-28 03:31:35,135 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -9 predicate places. [2024-11-28 03:31:35,135 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 304 transitions, 618 flow [2024-11-28 03:31:35,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 03:31:35,136 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:35,136 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] [2024-11-28 03:31:35,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:31:35,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:35,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:35,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1899974489, now seen corresponding path program 1 times [2024-11-28 03:31:35,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:35,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182348613] [2024-11-28 03:31:35,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:35,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:35,232 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 03:31:35,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:35,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182348613] [2024-11-28 03:31:35,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182348613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:35,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:35,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916095783] [2024-11-28 03:31:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:35,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:35,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:35,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:35,271 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-28 03:31:35,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 304 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 03:31:35,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:35,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-28 03:31:35,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:35,455 INFO L124 PetriNetUnfolderBase]: 34/596 cut-off events. [2024-11-28 03:31:35,455 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 03:31:35,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 596 events. 34/596 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2837 event pairs, 12 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 616. Up to 46 conditions per place. [2024-11-28 03:31:35,464 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/300 dead transitions. [2024-11-28 03:31:35,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 300 transitions, 640 flow [2024-11-28 03:31:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-28 03:31:35,471 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-11-28 03:31:35,472 INFO L175 Difference]: Start difference. First operand has 302 places, 304 transitions, 618 flow. Second operand 3 states and 952 transitions. [2024-11-28 03:31:35,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 300 transitions, 640 flow [2024-11-28 03:31:35,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 300 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:35,479 INFO L231 Difference]: Finished difference. Result has 298 places, 300 transitions, 608 flow [2024-11-28 03:31:35,480 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=298, PETRI_TRANSITIONS=300} [2024-11-28 03:31:35,481 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -13 predicate places. [2024-11-28 03:31:35,481 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 300 transitions, 608 flow [2024-11-28 03:31:35,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 03:31:35,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:35,483 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] [2024-11-28 03:31:35,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:31:35,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:35,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash 22922923, now seen corresponding path program 1 times [2024-11-28 03:31:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:35,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700744636] [2024-11-28 03:31:35,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:35,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:35,643 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 03:31:35,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:35,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700744636] [2024-11-28 03:31:35,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700744636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:35,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:35,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:35,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348256952] [2024-11-28 03:31:35,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:35,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:35,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:35,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:35,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:35,723 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-28 03:31:35,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 300 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 03:31:35,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:35,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-28 03:31:35,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:36,006 INFO L124 PetriNetUnfolderBase]: 84/907 cut-off events. [2024-11-28 03:31:36,006 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 03:31:36,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 907 events. 84/907 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5310 event pairs, 56 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 998. Up to 112 conditions per place. [2024-11-28 03:31:36,022 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 15 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2024-11-28 03:31:36,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 299 transitions, 640 flow [2024-11-28 03:31:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-11-28 03:31:36,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9351032448377581 [2024-11-28 03:31:36,028 INFO L175 Difference]: Start difference. First operand has 298 places, 300 transitions, 608 flow. Second operand 3 states and 951 transitions. [2024-11-28 03:31:36,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 299 transitions, 640 flow [2024-11-28 03:31:36,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 299 transitions, 639 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:31:36,036 INFO L231 Difference]: Finished difference. Result has 298 places, 299 transitions, 609 flow [2024-11-28 03:31:36,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=298, PETRI_TRANSITIONS=299} [2024-11-28 03:31:36,038 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -13 predicate places. [2024-11-28 03:31:36,039 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 299 transitions, 609 flow [2024-11-28 03:31:36,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 03:31:36,040 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:36,040 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] [2024-11-28 03:31:36,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:31:36,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:36,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:36,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1437996177, now seen corresponding path program 1 times [2024-11-28 03:31:36,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:36,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544249207] [2024-11-28 03:31:36,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:36,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:37,118 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 03:31:37,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:37,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544249207] [2024-11-28 03:31:37,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544249207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:37,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:37,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:37,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000793454] [2024-11-28 03:31:37,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:37,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:37,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:37,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:37,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:37,437 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 339 [2024-11-28 03:31:37,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 299 transitions, 609 flow. Second operand has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 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 03:31:37,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:37,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 339 [2024-11-28 03:31:37,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:39,735 INFO L124 PetriNetUnfolderBase]: 2053/8821 cut-off events. [2024-11-28 03:31:39,736 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-11-28 03:31:39,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11726 conditions, 8821 events. 2053/8821 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 92100 event pairs, 1520 based on Foata normal form. 0/7237 useless extension candidates. Maximal degree in co-relation 11688. Up to 2804 conditions per place. [2024-11-28 03:31:39,841 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 38 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-11-28 03:31:39,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 298 transitions, 693 flow [2024-11-28 03:31:39,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1760 transitions. [2024-11-28 03:31:39,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652900688298918 [2024-11-28 03:31:39,848 INFO L175 Difference]: Start difference. First operand has 298 places, 299 transitions, 609 flow. Second operand 6 states and 1760 transitions. [2024-11-28 03:31:39,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 298 transitions, 693 flow [2024-11-28 03:31:39,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 298 transitions, 689 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:39,855 INFO L231 Difference]: Finished difference. Result has 300 places, 298 transitions, 613 flow [2024-11-28 03:31:39,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=613, PETRI_PLACES=300, PETRI_TRANSITIONS=298} [2024-11-28 03:31:39,856 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -11 predicate places. [2024-11-28 03:31:39,857 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 298 transitions, 613 flow [2024-11-28 03:31:39,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 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 03:31:39,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:39,859 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 03:31:39,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:31:39,859 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:39,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:39,862 INFO L85 PathProgramCache]: Analyzing trace with hash -750761732, now seen corresponding path program 1 times [2024-11-28 03:31:39,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:39,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643374845] [2024-11-28 03:31:39,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:39,937 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 03:31:39,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643374845] [2024-11-28 03:31:39,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643374845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:39,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:39,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:39,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727298279] [2024-11-28 03:31:39,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:39,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:39,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:39,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:39,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-28 03:31:39,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 298 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 03:31:39,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:39,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-28 03:31:39,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:40,075 INFO L124 PetriNetUnfolderBase]: 17/396 cut-off events. [2024-11-28 03:31:40,075 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:31:40,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 396 events. 17/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1379 event pairs, 4 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 419. Up to 24 conditions per place. [2024-11-28 03:31:40,081 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-28 03:31:40,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 297 transitions, 639 flow [2024-11-28 03:31:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-28 03:31:40,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-28 03:31:40,085 INFO L175 Difference]: Start difference. First operand has 300 places, 298 transitions, 613 flow. Second operand 3 states and 957 transitions. [2024-11-28 03:31:40,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 297 transitions, 639 flow [2024-11-28 03:31:40,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 297 transitions, 629 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:31:40,094 INFO L231 Difference]: Finished difference. Result has 296 places, 297 transitions, 605 flow [2024-11-28 03:31:40,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=296, PETRI_TRANSITIONS=297} [2024-11-28 03:31:40,095 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -15 predicate places. [2024-11-28 03:31:40,095 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 297 transitions, 605 flow [2024-11-28 03:31:40,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 03:31:40,096 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:40,096 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] [2024-11-28 03:31:40,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:31:40,097 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:40,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:40,097 INFO L85 PathProgramCache]: Analyzing trace with hash -530587847, now seen corresponding path program 1 times [2024-11-28 03:31:40,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:40,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346321429] [2024-11-28 03:31:40,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:40,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:40,160 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 03:31:40,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:40,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346321429] [2024-11-28 03:31:40,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346321429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:40,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:40,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:40,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604036661] [2024-11-28 03:31:40,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:40,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:40,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:40,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:40,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:40,201 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-28 03:31:40,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 297 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 03:31:40,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:40,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-28 03:31:40,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:40,340 INFO L124 PetriNetUnfolderBase]: 16/410 cut-off events. [2024-11-28 03:31:40,340 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:31:40,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 410 events. 16/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1358 event pairs, 4 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 404. Up to 21 conditions per place. [2024-11-28 03:31:40,345 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-28 03:31:40,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 296 transitions, 631 flow [2024-11-28 03:31:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-28 03:31:40,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-28 03:31:40,350 INFO L175 Difference]: Start difference. First operand has 296 places, 297 transitions, 605 flow. Second operand 3 states and 957 transitions. [2024-11-28 03:31:40,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 296 transitions, 631 flow [2024-11-28 03:31:40,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 296 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:40,358 INFO L231 Difference]: Finished difference. Result has 295 places, 296 transitions, 603 flow [2024-11-28 03:31:40,358 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=603, PETRI_PLACES=295, PETRI_TRANSITIONS=296} [2024-11-28 03:31:40,360 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -16 predicate places. [2024-11-28 03:31:40,360 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 296 transitions, 603 flow [2024-11-28 03:31:40,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 03:31:40,361 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:40,361 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] [2024-11-28 03:31:40,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:31:40,362 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:40,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:40,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2003078605, now seen corresponding path program 1 times [2024-11-28 03:31:40,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:40,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861394112] [2024-11-28 03:31:40,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:40,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:40,448 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 03:31:40,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861394112] [2024-11-28 03:31:40,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861394112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:40,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:40,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:40,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997250336] [2024-11-28 03:31:40,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:40,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:40,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:40,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:40,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:40,482 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-28 03:31:40,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 296 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 03:31:40,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:40,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-28 03:31:40,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:40,544 INFO L124 PetriNetUnfolderBase]: 12/303 cut-off events. [2024-11-28 03:31:40,545 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:31:40,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 303 events. 12/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 735 event pairs, 4 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 295. Up to 21 conditions per place. [2024-11-28 03:31:40,549 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-28 03:31:40,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 295 transitions, 629 flow [2024-11-28 03:31:40,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-28 03:31:40,553 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-28 03:31:40,553 INFO L175 Difference]: Start difference. First operand has 295 places, 296 transitions, 603 flow. Second operand 3 states and 957 transitions. [2024-11-28 03:31:40,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 295 transitions, 629 flow [2024-11-28 03:31:40,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 295 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:40,565 INFO L231 Difference]: Finished difference. Result has 294 places, 295 transitions, 601 flow [2024-11-28 03:31:40,566 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=294, PETRI_TRANSITIONS=295} [2024-11-28 03:31:40,567 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-28 03:31:40,567 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 295 transitions, 601 flow [2024-11-28 03:31:40,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 03:31:40,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:40,570 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] [2024-11-28 03:31:40,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:31:40,570 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:40,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:40,571 INFO L85 PathProgramCache]: Analyzing trace with hash 561408055, now seen corresponding path program 1 times [2024-11-28 03:31:40,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:40,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854999733] [2024-11-28 03:31:40,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:40,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:40,648 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 03:31:40,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:40,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854999733] [2024-11-28 03:31:40,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854999733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:40,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:40,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:40,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981180835] [2024-11-28 03:31:40,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:40,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:40,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:40,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:40,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:40,684 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-28 03:31:40,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 295 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 03:31:40,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:40,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-28 03:31:40,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:40,817 INFO L124 PetriNetUnfolderBase]: 49/747 cut-off events. [2024-11-28 03:31:40,817 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 03:31:40,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 747 events. 49/747 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4078 event pairs, 20 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 776. Up to 56 conditions per place. [2024-11-28 03:31:40,825 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/291 dead transitions. [2024-11-28 03:31:40,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 291 transitions, 623 flow [2024-11-28 03:31:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-28 03:31:40,828 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-11-28 03:31:40,828 INFO L175 Difference]: Start difference. First operand has 294 places, 295 transitions, 601 flow. Second operand 3 states and 952 transitions. [2024-11-28 03:31:40,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 291 transitions, 623 flow [2024-11-28 03:31:40,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 291 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:40,834 INFO L231 Difference]: Finished difference. Result has 290 places, 291 transitions, 591 flow [2024-11-28 03:31:40,835 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=290, PETRI_TRANSITIONS=291} [2024-11-28 03:31:40,837 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-28 03:31:40,837 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 291 transitions, 591 flow [2024-11-28 03:31:40,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 03:31:40,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:40,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:40,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:31:40,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:40,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:40,840 INFO L85 PathProgramCache]: Analyzing trace with hash 146456062, now seen corresponding path program 1 times [2024-11-28 03:31:40,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:40,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045542686] [2024-11-28 03:31:40,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:40,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:40,936 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 03:31:40,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045542686] [2024-11-28 03:31:40,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045542686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:40,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:40,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158847613] [2024-11-28 03:31:40,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:40,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:40,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:40,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:40,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-28 03:31:40,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 291 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 03:31:40,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:40,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-28 03:31:40,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:41,068 INFO L124 PetriNetUnfolderBase]: 19/388 cut-off events. [2024-11-28 03:31:41,068 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:31:41,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 388 events. 19/388 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1329 event pairs, 2 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 391. Up to 14 conditions per place. [2024-11-28 03:31:41,072 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-28 03:31:41,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 291 transitions, 621 flow [2024-11-28 03:31:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-28 03:31:41,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-28 03:31:41,076 INFO L175 Difference]: Start difference. First operand has 290 places, 291 transitions, 591 flow. Second operand 3 states and 964 transitions. [2024-11-28 03:31:41,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 291 transitions, 621 flow [2024-11-28 03:31:41,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 291 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:31:41,082 INFO L231 Difference]: Finished difference. Result has 289 places, 289 transitions, 592 flow [2024-11-28 03:31:41,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=289, PETRI_TRANSITIONS=289} [2024-11-28 03:31:41,083 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -22 predicate places. [2024-11-28 03:31:41,084 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 289 transitions, 592 flow [2024-11-28 03:31:41,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 03:31:41,084 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:41,085 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] [2024-11-28 03:31:41,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:31:41,085 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:41,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1836869342, now seen corresponding path program 1 times [2024-11-28 03:31:41,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:41,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949700418] [2024-11-28 03:31:41,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:41,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:41,167 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 03:31:41,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:41,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949700418] [2024-11-28 03:31:41,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949700418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:41,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:41,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:41,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215361775] [2024-11-28 03:31:41,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:41,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:41,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:41,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:41,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:41,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-11-28 03:31:41,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 289 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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 03:31:41,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:41,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-11-28 03:31:41,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:41,813 INFO L124 PetriNetUnfolderBase]: 460/3169 cut-off events. [2024-11-28 03:31:41,813 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-28 03:31:41,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3819 conditions, 3169 events. 460/3169 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 28166 event pairs, 172 based on Foata normal form. 0/2737 useless extension candidates. Maximal degree in co-relation 3781. Up to 577 conditions per place. [2024-11-28 03:31:41,846 INFO L140 encePairwiseOnDemand]: 330/339 looper letters, 24 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-28 03:31:41,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 655 flow [2024-11-28 03:31:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2024-11-28 03:31:41,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321533923303835 [2024-11-28 03:31:41,853 INFO L175 Difference]: Start difference. First operand has 289 places, 289 transitions, 592 flow. Second operand 3 states and 948 transitions. [2024-11-28 03:31:41,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 655 flow [2024-11-28 03:31:41,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:41,862 INFO L231 Difference]: Finished difference. Result has 284 places, 286 transitions, 595 flow [2024-11-28 03:31:41,863 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=595, PETRI_PLACES=284, PETRI_TRANSITIONS=286} [2024-11-28 03:31:41,863 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-11-28 03:31:41,864 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 286 transitions, 595 flow [2024-11-28 03:31:41,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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 03:31:41,864 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:41,865 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] [2024-11-28 03:31:41,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:31:41,865 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:41,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1289875328, now seen corresponding path program 1 times [2024-11-28 03:31:41,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513817062] [2024-11-28 03:31:41,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:41,932 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 03:31:41,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:41,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513817062] [2024-11-28 03:31:41,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513817062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:41,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:41,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:41,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423865519] [2024-11-28 03:31:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:41,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:41,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:41,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:41,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:41,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-28 03:31:41,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 286 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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 03:31:41,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:41,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-28 03:31:41,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:42,187 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][266], [Black: 368#true, 370#(= |#race~A~0| 0), 372#true, 245#L89true, 343#(= |#race~N~0| 0), 364#(= |#race~M~0| 0)]) [2024-11-28 03:31:42,188 INFO L294 olderBase$Statistics]: this new event has 210 ancestors and is cut-off event [2024-11-28 03:31:42,188 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-28 03:31:42,188 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-28 03:31:42,188 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-28 03:31:42,189 INFO L124 PetriNetUnfolderBase]: 75/822 cut-off events. [2024-11-28 03:31:42,190 INFO L125 PetriNetUnfolderBase]: For 17/43 co-relation queries the response was YES. [2024-11-28 03:31:42,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 956 conditions, 822 events. 75/822 cut-off events. For 17/43 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4251 event pairs, 6 based on Foata normal form. 2/736 useless extension candidates. Maximal degree in co-relation 918. Up to 41 conditions per place. [2024-11-28 03:31:42,204 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-11-28 03:31:42,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 286 transitions, 625 flow [2024-11-28 03:31:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-28 03:31:42,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-28 03:31:42,208 INFO L175 Difference]: Start difference. First operand has 284 places, 286 transitions, 595 flow. Second operand 3 states and 964 transitions. [2024-11-28 03:31:42,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 286 transitions, 625 flow [2024-11-28 03:31:42,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 286 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:31:42,216 INFO L231 Difference]: Finished difference. Result has 284 places, 284 transitions, 597 flow [2024-11-28 03:31:42,217 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=597, PETRI_PLACES=284, PETRI_TRANSITIONS=284} [2024-11-28 03:31:42,218 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-11-28 03:31:42,218 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 284 transitions, 597 flow [2024-11-28 03:31:42,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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 03:31:42,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:42,219 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] [2024-11-28 03:31:42,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:31:42,220 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:42,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1100902, now seen corresponding path program 1 times [2024-11-28 03:31:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:42,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113409059] [2024-11-28 03:31:42,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:42,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:42,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113409059] [2024-11-28 03:31:42,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113409059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:42,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:42,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:42,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978935546] [2024-11-28 03:31:42,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:42,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:42,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:42,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:42,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:42,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-28 03:31:42,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 284 transitions, 597 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 03:31:42,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:42,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-28 03:31:42,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:42,560 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][265], [Black: 368#true, 370#(= |#race~A~0| 0), 372#true, 245#L89true, 343#(= |#race~N~0| 0), 364#(= |#race~M~0| 0), 375#true]) [2024-11-28 03:31:42,561 INFO L294 olderBase$Statistics]: this new event has 245 ancestors and is cut-off event [2024-11-28 03:31:42,561 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-28 03:31:42,561 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-28 03:31:42,561 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-28 03:31:42,561 INFO L124 PetriNetUnfolderBase]: 65/761 cut-off events. [2024-11-28 03:31:42,561 INFO L125 PetriNetUnfolderBase]: For 8/46 co-relation queries the response was YES. [2024-11-28 03:31:42,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 761 events. 65/761 cut-off events. For 8/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3660 event pairs, 13 based on Foata normal form. 5/694 useless extension candidates. Maximal degree in co-relation 871. Up to 52 conditions per place. [2024-11-28 03:31:42,574 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-28 03:31:42,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 285 transitions, 631 flow [2024-11-28 03:31:42,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:42,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-28 03:31:42,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-28 03:31:42,578 INFO L175 Difference]: Start difference. First operand has 284 places, 284 transitions, 597 flow. Second operand 3 states and 964 transitions. [2024-11-28 03:31:42,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 285 transitions, 631 flow [2024-11-28 03:31:42,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:42,587 INFO L231 Difference]: Finished difference. Result has 283 places, 283 transitions, 593 flow [2024-11-28 03:31:42,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=283, PETRI_TRANSITIONS=283} [2024-11-28 03:31:42,588 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -28 predicate places. [2024-11-28 03:31:42,589 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 283 transitions, 593 flow [2024-11-28 03:31:42,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 03:31:42,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:42,590 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:42,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:31:42,590 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:42,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2029685783, now seen corresponding path program 1 times [2024-11-28 03:31:42,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:42,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177420035] [2024-11-28 03:31:42,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:42,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:42,895 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 03:31:42,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177420035] [2024-11-28 03:31:42,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177420035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:42,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:42,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:31:42,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562527982] [2024-11-28 03:31:42,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:42,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:31:42,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:42,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:31:42,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:31:43,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:43,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 283 transitions, 593 flow. Second operand has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 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 03:31:43,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:43,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:43,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:43,747 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][293], [378#true, Black: 368#true, 370#(= |#race~A~0| 0), 245#L89true, 343#(= |#race~N~0| 0), 375#true, 364#(= |#race~M~0| 0)]) [2024-11-28 03:31:43,748 INFO L294 olderBase$Statistics]: this new event has 260 ancestors and is cut-off event [2024-11-28 03:31:43,748 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-11-28 03:31:43,748 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2024-11-28 03:31:43,748 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-11-28 03:31:43,748 INFO L124 PetriNetUnfolderBase]: 95/1385 cut-off events. [2024-11-28 03:31:43,748 INFO L125 PetriNetUnfolderBase]: For 11/40 co-relation queries the response was YES. [2024-11-28 03:31:43,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 1385 events. 95/1385 cut-off events. For 11/40 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8672 event pairs, 18 based on Foata normal form. 4/1259 useless extension candidates. Maximal degree in co-relation 1560. Up to 67 conditions per place. [2024-11-28 03:31:43,769 INFO L140 encePairwiseOnDemand]: 326/339 looper letters, 22 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2024-11-28 03:31:43,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 298 transitions, 703 flow [2024-11-28 03:31:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:31:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:31:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3127 transitions. [2024-11-28 03:31:43,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9224188790560472 [2024-11-28 03:31:43,778 INFO L175 Difference]: Start difference. First operand has 283 places, 283 transitions, 593 flow. Second operand 10 states and 3127 transitions. [2024-11-28 03:31:43,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 298 transitions, 703 flow [2024-11-28 03:31:43,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 298 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:43,825 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 655 flow [2024-11-28 03:31:43,827 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=655, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-11-28 03:31:43,827 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-28 03:31:43,827 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 655 flow [2024-11-28 03:31:43,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 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 03:31:43,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:43,829 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:43,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:31:43,830 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:43,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:43,830 INFO L85 PathProgramCache]: Analyzing trace with hash 138614824, now seen corresponding path program 1 times [2024-11-28 03:31:43,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:43,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96331032] [2024-11-28 03:31:43,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:43,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96331032] [2024-11-28 03:31:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96331032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:43,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:43,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:43,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198358923] [2024-11-28 03:31:43,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:43,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:43,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:43,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:43,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:43,926 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-28 03:31:43,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 03:31:43,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:43,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-28 03:31:43,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:44,302 INFO L124 PetriNetUnfolderBase]: 145/1650 cut-off events. [2024-11-28 03:31:44,302 INFO L125 PetriNetUnfolderBase]: For 53/108 co-relation queries the response was YES. [2024-11-28 03:31:44,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1959 conditions, 1650 events. 145/1650 cut-off events. For 53/108 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10844 event pairs, 29 based on Foata normal form. 0/1496 useless extension candidates. Maximal degree in co-relation 1913. Up to 120 conditions per place. [2024-11-28 03:31:44,327 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-28 03:31:44,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 291 transitions, 689 flow [2024-11-28 03:31:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-28 03:31:44,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-28 03:31:44,330 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 655 flow. Second operand 3 states and 964 transitions. [2024-11-28 03:31:44,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 291 transitions, 689 flow [2024-11-28 03:31:44,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 291 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:31:44,338 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 653 flow [2024-11-28 03:31:44,338 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-28 03:31:44,339 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-28 03:31:44,339 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 653 flow [2024-11-28 03:31:44,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 03:31:44,340 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:44,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:44,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:31:44,341 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:44,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:44,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1989482497, now seen corresponding path program 1 times [2024-11-28 03:31:44,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:44,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562668320] [2024-11-28 03:31:44,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:44,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:44,411 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 03:31:44,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:44,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562668320] [2024-11-28 03:31:44,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562668320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:44,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:44,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:44,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721938779] [2024-11-28 03:31:44,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:44,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:44,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:44,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:44,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:44,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-28 03:31:44,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 03:31:44,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:44,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-28 03:31:44,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:44,682 INFO L124 PetriNetUnfolderBase]: 119/1101 cut-off events. [2024-11-28 03:31:44,682 INFO L125 PetriNetUnfolderBase]: For 58/89 co-relation queries the response was YES. [2024-11-28 03:31:44,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 1101 events. 119/1101 cut-off events. For 58/89 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6192 event pairs, 11 based on Foata normal form. 4/1005 useless extension candidates. Maximal degree in co-relation 1306. Up to 79 conditions per place. [2024-11-28 03:31:44,697 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 9 selfloop transitions, 2 changer transitions 8/289 dead transitions. [2024-11-28 03:31:44,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 289 transitions, 681 flow [2024-11-28 03:31:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-28 03:31:44,700 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9469026548672567 [2024-11-28 03:31:44,700 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 653 flow. Second operand 3 states and 963 transitions. [2024-11-28 03:31:44,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 289 transitions, 681 flow [2024-11-28 03:31:44,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 289 transitions, 677 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:44,707 INFO L231 Difference]: Finished difference. Result has 292 places, 279 transitions, 632 flow [2024-11-28 03:31:44,708 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=292, PETRI_TRANSITIONS=279} [2024-11-28 03:31:44,708 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -19 predicate places. [2024-11-28 03:31:44,709 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 279 transitions, 632 flow [2024-11-28 03:31:44,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 03:31:44,709 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:44,710 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] [2024-11-28 03:31:44,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:31:44,710 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:44,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:44,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1373604651, now seen corresponding path program 1 times [2024-11-28 03:31:44,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:44,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382652778] [2024-11-28 03:31:44,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:44,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:44,889 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 03:31:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382652778] [2024-11-28 03:31:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382652778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:44,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:44,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706772224] [2024-11-28 03:31:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:44,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:31:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:44,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:31:44,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:31:44,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-28 03:31:44,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 279 transitions, 632 flow. Second operand has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 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 03:31:44,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:44,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-28 03:31:44,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:45,394 INFO L124 PetriNetUnfolderBase]: 133/1669 cut-off events. [2024-11-28 03:31:45,395 INFO L125 PetriNetUnfolderBase]: For 60/70 co-relation queries the response was YES. [2024-11-28 03:31:45,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 1669 events. 133/1669 cut-off events. For 60/70 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 11222 event pairs, 40 based on Foata normal form. 8/1543 useless extension candidates. Maximal degree in co-relation 1968. Up to 114 conditions per place. [2024-11-28 03:31:45,421 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 22 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-28 03:31:45,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 713 flow [2024-11-28 03:31:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:31:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:31:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1583 transitions. [2024-11-28 03:31:45,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9339233038348083 [2024-11-28 03:31:45,426 INFO L175 Difference]: Start difference. First operand has 292 places, 279 transitions, 632 flow. Second operand 5 states and 1583 transitions. [2024-11-28 03:31:45,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 713 flow [2024-11-28 03:31:45,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 709 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:45,482 INFO L231 Difference]: Finished difference. Result has 288 places, 281 transitions, 653 flow [2024-11-28 03:31:45,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=653, PETRI_PLACES=288, PETRI_TRANSITIONS=281} [2024-11-28 03:31:45,483 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -23 predicate places. [2024-11-28 03:31:45,484 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 281 transitions, 653 flow [2024-11-28 03:31:45,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 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 03:31:45,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:45,485 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:45,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:31:45,485 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:45,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:45,487 INFO L85 PathProgramCache]: Analyzing trace with hash -318853049, now seen corresponding path program 1 times [2024-11-28 03:31:45,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:45,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763290264] [2024-11-28 03:31:45,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:45,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:45,550 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 03:31:45,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763290264] [2024-11-28 03:31:45,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763290264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:45,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:45,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:31:45,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160520565] [2024-11-28 03:31:45,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:45,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:45,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:45,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:45,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:45,580 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-28 03:31:45,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 281 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 03:31:45,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:45,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-28 03:31:45,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:45,979 INFO L124 PetriNetUnfolderBase]: 233/1746 cut-off events. [2024-11-28 03:31:45,979 INFO L125 PetriNetUnfolderBase]: For 147/218 co-relation queries the response was YES. [2024-11-28 03:31:45,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2243 conditions, 1746 events. 233/1746 cut-off events. For 147/218 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12229 event pairs, 56 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 2196. Up to 235 conditions per place. [2024-11-28 03:31:46,002 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-28 03:31:46,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 282 transitions, 683 flow [2024-11-28 03:31:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:31:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-28 03:31:46,006 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-11-28 03:31:46,006 INFO L175 Difference]: Start difference. First operand has 288 places, 281 transitions, 653 flow. Second operand 3 states and 962 transitions. [2024-11-28 03:31:46,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 282 transitions, 683 flow [2024-11-28 03:31:46,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 282 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:46,012 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 650 flow [2024-11-28 03:31:46,013 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2024-11-28 03:31:46,014 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -24 predicate places. [2024-11-28 03:31:46,015 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 650 flow [2024-11-28 03:31:46,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 03:31:46,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:46,016 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] [2024-11-28 03:31:46,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:31:46,016 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:46,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:46,017 INFO L85 PathProgramCache]: Analyzing trace with hash -195544926, now seen corresponding path program 1 times [2024-11-28 03:31:46,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:46,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655548776] [2024-11-28 03:31:46,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:46,673 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 03:31:46,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:46,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655548776] [2024-11-28 03:31:46,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655548776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:46,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:46,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:46,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378813265] [2024-11-28 03:31:46,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:46,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:46,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:46,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:46,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:47,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:47,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 03:31:47,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:47,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:47,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:47,716 INFO L124 PetriNetUnfolderBase]: 151/1753 cut-off events. [2024-11-28 03:31:47,716 INFO L125 PetriNetUnfolderBase]: For 141/150 co-relation queries the response was YES. [2024-11-28 03:31:47,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 1753 events. 151/1753 cut-off events. For 141/150 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11860 event pairs, 37 based on Foata normal form. 0/1636 useless extension candidates. Maximal degree in co-relation 2170. Up to 142 conditions per place. [2024-11-28 03:31:47,741 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-28 03:31:47,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 288 transitions, 734 flow [2024-11-28 03:31:47,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 03:31:47,747 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-28 03:31:47,747 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 650 flow. Second operand 6 states and 1883 transitions. [2024-11-28 03:31:47,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 288 transitions, 734 flow [2024-11-28 03:31:47,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:47,754 INFO L231 Difference]: Finished difference. Result has 290 places, 280 transitions, 660 flow [2024-11-28 03:31:47,755 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=290, PETRI_TRANSITIONS=280} [2024-11-28 03:31:47,755 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-28 03:31:47,755 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 280 transitions, 660 flow [2024-11-28 03:31:47,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 03:31:47,756 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:47,757 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] [2024-11-28 03:31:47,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:31:47,757 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:47,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1059266294, now seen corresponding path program 1 times [2024-11-28 03:31:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:47,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091884931] [2024-11-28 03:31:47,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:48,379 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 03:31:48,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:48,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091884931] [2024-11-28 03:31:48,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091884931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:48,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:48,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802322997] [2024-11-28 03:31:48,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:48,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:48,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:48,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:49,020 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:49,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 280 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 03:31:49,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:49,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:49,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:49,411 INFO L124 PetriNetUnfolderBase]: 232/1738 cut-off events. [2024-11-28 03:31:49,412 INFO L125 PetriNetUnfolderBase]: For 147/268 co-relation queries the response was YES. [2024-11-28 03:31:49,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 1738 events. 232/1738 cut-off events. For 147/268 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 12166 event pairs, 52 based on Foata normal form. 4/1628 useless extension candidates. Maximal degree in co-relation 2227. Up to 219 conditions per place. [2024-11-28 03:31:49,427 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-28 03:31:49,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 288 transitions, 740 flow [2024-11-28 03:31:49,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 03:31:49,434 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-28 03:31:49,434 INFO L175 Difference]: Start difference. First operand has 290 places, 280 transitions, 660 flow. Second operand 6 states and 1883 transitions. [2024-11-28 03:31:49,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 288 transitions, 740 flow [2024-11-28 03:31:49,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 732 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:31:49,443 INFO L231 Difference]: Finished difference. Result has 291 places, 280 transitions, 666 flow [2024-11-28 03:31:49,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=666, PETRI_PLACES=291, PETRI_TRANSITIONS=280} [2024-11-28 03:31:49,444 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -20 predicate places. [2024-11-28 03:31:49,445 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 280 transitions, 666 flow [2024-11-28 03:31:49,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 03:31:49,446 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:49,446 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] [2024-11-28 03:31:49,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:31:49,447 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:49,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1438820930, now seen corresponding path program 1 times [2024-11-28 03:31:49,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:49,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078257698] [2024-11-28 03:31:49,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:49,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:49,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078257698] [2024-11-28 03:31:49,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078257698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:49,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760192750] [2024-11-28 03:31:49,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:49,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:49,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:49,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:31:49,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:31:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:50,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:31:50,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:50,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:31:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:51,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760192750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:31:51,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:31:51,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-28 03:31:51,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918185711] [2024-11-28 03:31:51,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:31:51,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 03:31:51,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:51,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 03:31:51,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:31:51,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-11-28 03:31:51,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 280 transitions, 666 flow. Second operand has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 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 03:31:51,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:51,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-11-28 03:31:51,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:52,664 INFO L124 PetriNetUnfolderBase]: 208/3310 cut-off events. [2024-11-28 03:31:52,664 INFO L125 PetriNetUnfolderBase]: For 94/118 co-relation queries the response was YES. [2024-11-28 03:31:52,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4128 conditions, 3310 events. 208/3310 cut-off events. For 94/118 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28121 event pairs, 35 based on Foata normal form. 9/3136 useless extension candidates. Maximal degree in co-relation 4077. Up to 108 conditions per place. [2024-11-28 03:31:52,698 INFO L140 encePairwiseOnDemand]: 322/339 looper letters, 26 selfloop transitions, 27 changer transitions 0/302 dead transitions. [2024-11-28 03:31:52,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 838 flow [2024-11-28 03:31:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:31:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 03:31:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4930 transitions. [2024-11-28 03:31:52,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9089233038348082 [2024-11-28 03:31:52,710 INFO L175 Difference]: Start difference. First operand has 291 places, 280 transitions, 666 flow. Second operand 16 states and 4930 transitions. [2024-11-28 03:31:52,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 838 flow [2024-11-28 03:31:52,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 830 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:31:52,720 INFO L231 Difference]: Finished difference. Result has 310 places, 291 transitions, 797 flow [2024-11-28 03:31:52,721 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=797, PETRI_PLACES=310, PETRI_TRANSITIONS=291} [2024-11-28 03:31:52,721 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -1 predicate places. [2024-11-28 03:31:52,721 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 291 transitions, 797 flow [2024-11-28 03:31:52,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 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 03:31:52,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:52,725 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] [2024-11-28 03:31:52,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:31:52,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 03:31:52,929 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:52,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:52,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1542488566, now seen corresponding path program 1 times [2024-11-28 03:31:52,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:52,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953868784] [2024-11-28 03:31:52,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:53,540 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 03:31:53,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953868784] [2024-11-28 03:31:53,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953868784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:53,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:53,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:53,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606676405] [2024-11-28 03:31:53,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:53,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:53,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:53,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:53,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:54,213 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:54,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 291 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 03:31:54,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:54,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:54,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:54,834 INFO L124 PetriNetUnfolderBase]: 198/2471 cut-off events. [2024-11-28 03:31:54,834 INFO L125 PetriNetUnfolderBase]: For 285/294 co-relation queries the response was YES. [2024-11-28 03:31:54,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 2471 events. 198/2471 cut-off events. For 285/294 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18705 event pairs, 51 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 3195. Up to 196 conditions per place. [2024-11-28 03:31:54,859 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-11-28 03:31:54,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 298 transitions, 879 flow [2024-11-28 03:31:54,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 03:31:54,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-28 03:31:54,863 INFO L175 Difference]: Start difference. First operand has 310 places, 291 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-28 03:31:54,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 298 transitions, 879 flow [2024-11-28 03:31:54,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 298 transitions, 862 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-11-28 03:31:54,873 INFO L231 Difference]: Finished difference. Result has 312 places, 290 transitions, 788 flow [2024-11-28 03:31:54,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=312, PETRI_TRANSITIONS=290} [2024-11-28 03:31:54,874 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, 1 predicate places. [2024-11-28 03:31:54,874 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 290 transitions, 788 flow [2024-11-28 03:31:54,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 03:31:54,876 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:54,876 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:54,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:31:54,876 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:54,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1544132366, now seen corresponding path program 1 times [2024-11-28 03:31:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050969760] [2024-11-28 03:31:54,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:55,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:55,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050969760] [2024-11-28 03:31:55,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050969760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:55,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:55,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:55,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709831841] [2024-11-28 03:31:55,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:55,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:55,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:55,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:55,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:56,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:56,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 290 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 03:31:56,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:56,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:56,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:56,521 INFO L124 PetriNetUnfolderBase]: 310/2227 cut-off events. [2024-11-28 03:31:56,521 INFO L125 PetriNetUnfolderBase]: For 335/504 co-relation queries the response was YES. [2024-11-28 03:31:56,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 2227 events. 310/2227 cut-off events. For 335/504 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 16471 event pairs, 75 based on Foata normal form. 20/2123 useless extension candidates. Maximal degree in co-relation 3081. Up to 307 conditions per place. [2024-11-28 03:31:56,539 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 13/297 dead transitions. [2024-11-28 03:31:56,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 297 transitions, 866 flow [2024-11-28 03:31:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 03:31:56,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-28 03:31:56,543 INFO L175 Difference]: Start difference. First operand has 312 places, 290 transitions, 788 flow. Second operand 6 states and 1883 transitions. [2024-11-28 03:31:56,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 297 transitions, 866 flow [2024-11-28 03:31:56,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 297 transitions, 854 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-11-28 03:31:56,552 INFO L231 Difference]: Finished difference. Result has 311 places, 276 transitions, 694 flow [2024-11-28 03:31:56,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=694, PETRI_PLACES=311, PETRI_TRANSITIONS=276} [2024-11-28 03:31:56,553 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, 0 predicate places. [2024-11-28 03:31:56,553 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 276 transitions, 694 flow [2024-11-28 03:31:56,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 03:31:56,555 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:56,556 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:56,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:31:56,556 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:56,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:56,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1266356407, now seen corresponding path program 2 times [2024-11-28 03:31:56,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:56,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704619912] [2024-11-28 03:31:56,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:31:56,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:56,587 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:31:56,587 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:31:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 03:31:57,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704619912] [2024-11-28 03:31:57,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704619912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:57,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:57,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:57,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858413893] [2024-11-28 03:31:57,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:57,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:57,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:57,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:57,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:57,563 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:57,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 276 transitions, 694 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 03:31:57,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:57,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:57,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:57,933 INFO L124 PetriNetUnfolderBase]: 96/1255 cut-off events. [2024-11-28 03:31:57,933 INFO L125 PetriNetUnfolderBase]: For 40/64 co-relation queries the response was YES. [2024-11-28 03:31:57,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1255 events. 96/1255 cut-off events. For 40/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7436 event pairs, 21 based on Foata normal form. 8/1214 useless extension candidates. Maximal degree in co-relation 1656. Up to 88 conditions per place. [2024-11-28 03:31:57,951 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/284 dead transitions. [2024-11-28 03:31:57,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 284 transitions, 774 flow [2024-11-28 03:31:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 03:31:57,954 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-28 03:31:57,955 INFO L175 Difference]: Start difference. First operand has 311 places, 276 transitions, 694 flow. Second operand 6 states and 1883 transitions. [2024-11-28 03:31:57,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 284 transitions, 774 flow [2024-11-28 03:31:57,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 722 flow, removed 4 selfloop flow, removed 18 redundant places. [2024-11-28 03:31:57,961 INFO L231 Difference]: Finished difference. Result has 290 places, 276 transitions, 656 flow [2024-11-28 03:31:57,962 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=656, PETRI_PLACES=290, PETRI_TRANSITIONS=276} [2024-11-28 03:31:57,963 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-28 03:31:57,963 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 276 transitions, 656 flow [2024-11-28 03:31:57,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 03:31:57,964 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:57,964 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:57,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:31:57,965 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-28 03:31:57,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:57,966 INFO L85 PathProgramCache]: Analyzing trace with hash -525474639, now seen corresponding path program 1 times [2024-11-28 03:31:57,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:57,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933917030] [2024-11-28 03:31:57,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:57,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 03:31:58,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:58,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933917030] [2024-11-28 03:31:58,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933917030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:58,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:58,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:58,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471467229] [2024-11-28 03:31:58,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:58,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:58,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:58,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:58,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:59,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-28 03:31:59,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 276 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 03:31:59,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:59,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-28 03:31:59,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:59,545 INFO L124 PetriNetUnfolderBase]: 96/1249 cut-off events. [2024-11-28 03:31:59,546 INFO L125 PetriNetUnfolderBase]: For 33/57 co-relation queries the response was YES. [2024-11-28 03:31:59,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 1249 events. 96/1249 cut-off events. For 33/57 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7358 event pairs, 21 based on Foata normal form. 8/1202 useless extension candidates. Maximal degree in co-relation 1603. Up to 88 conditions per place. [2024-11-28 03:31:59,555 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 0 selfloop transitions, 0 changer transitions 283/283 dead transitions. [2024-11-28 03:31:59,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 283 transitions, 734 flow [2024-11-28 03:31:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:31:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:31:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-28 03:31:59,558 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-28 03:31:59,558 INFO L175 Difference]: Start difference. First operand has 290 places, 276 transitions, 656 flow. Second operand 6 states and 1883 transitions. [2024-11-28 03:31:59,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 283 transitions, 734 flow [2024-11-28 03:31:59,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 283 transitions, 726 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:31:59,563 INFO L231 Difference]: Finished difference. Result has 290 places, 0 transitions, 0 flow [2024-11-28 03:31:59,563 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=290, PETRI_TRANSITIONS=0} [2024-11-28 03:31:59,564 INFO L279 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-28 03:31:59,564 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 0 transitions, 0 flow [2024-11-28 03:31:59,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 03:31:59,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2024-11-28 03:31:59,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-28 03:31:59,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-28 03:31:59,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-28 03:31:59,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-28 03:31:59,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-28 03:31:59,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-28 03:31:59,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-28 03:31:59,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-28 03:31:59,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-28 03:31:59,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-28 03:31:59,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-28 03:31:59,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-28 03:31:59,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-28 03:31:59,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-28 03:31:59,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-28 03:31:59,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-28 03:31:59,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-28 03:31:59,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 03:31:59,576 INFO L422 BasicCegarLoop]: Path program histogram: [2, 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 03:31:59,582 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:31:59,582 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:31:59,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:31:59 BasicIcfg [2024-11-28 03:31:59,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:31:59,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:31:59,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:31:59,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:31:59,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:33" (3/4) ... [2024-11-28 03:31:59,598 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:31:59,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:31:59,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:31:59,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 03:31:59,612 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 03:31:59,612 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:31:59,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:31:59,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:31:59,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:31:59,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:31:59,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:31:59,746 INFO L158 Benchmark]: Toolchain (without parser) took 28025.95ms. Allocated memory was 117.4MB in the beginning and 738.2MB in the end (delta: 620.8MB). Free memory was 92.2MB in the beginning and 590.7MB in the end (delta: -498.5MB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB. [2024-11-28 03:31:59,747 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:59,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.67ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:31:59,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:59,748 INFO L158 Benchmark]: Boogie Preprocessor took 46.41ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:59,748 INFO L158 Benchmark]: RCFGBuilder took 1020.97ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 48.6MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:31:59,749 INFO L158 Benchmark]: TraceAbstraction took 26294.41ms. Allocated memory was 117.4MB in the beginning and 738.2MB in the end (delta: 620.8MB). Free memory was 48.1MB in the beginning and 599.1MB in the end (delta: -551.0MB). Peak memory consumption was 495.8MB. Max. memory is 16.1GB. [2024-11-28 03:31:59,749 INFO L158 Benchmark]: Witness Printer took 151.56ms. Allocated memory is still 738.2MB. Free memory was 599.1MB in the beginning and 590.7MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:31:59,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.67ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.41ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1020.97ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 48.6MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26294.41ms. Allocated memory was 117.4MB in the beginning and 738.2MB in the end (delta: 620.8MB). Free memory was 48.1MB in the beginning and 599.1MB in the end (delta: -551.0MB). Peak memory consumption was 495.8MB. Max. memory is 16.1GB. * Witness Printer took 151.56ms. Allocated memory is still 738.2MB. Free memory was 599.1MB in the beginning and 590.7MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 473 locations, 61 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: 26.0s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2569 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1577 mSDsluCounter, 1396 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1211 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4313 IncrementalHoareTripleChecker+Invalid, 4898 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 185 mSDtfsCounter, 4313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=797occurred in iteration=21, InterpolantAutomatonStates: 118, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2631 NumberOfCodeBlocks, 2601 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2733 ConstructedInterpolants, 0 QuantifiedInterpolants, 4644 SizeOfPredicates, 7 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 27 InterpolantComputations, 24 PerfectInterpolantSequences, 34/37 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:31:59,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc7286a-c8cf-4a21-9757-821d4531b99d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE