./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/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_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/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_d3594c8a-aa38-449f-9e26-74075925f7bb/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 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:23:14,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:23:14,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:23:14,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:23:14,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:23:14,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:23:14,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:23:14,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:23:14,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:23:14,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:23:14,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:23:14,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:23:14,365 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:23:14,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:23:14,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:23:14,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:23:14,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:23:14,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:23:14,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:23:14,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:23:14,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:23:14,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:23:14,371 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:23:14,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:23:14,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:23:14,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:23:14,372 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:23:14,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:23:14,373 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_d3594c8a-aa38-449f-9e26-74075925f7bb/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 -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 [2024-11-27 23:23:14,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:23:14,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:23:14,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:23:14,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:23:14,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:23:14,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-27 23:23:18,188 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/data/534e27798/7b34571764454d2ea2634ca10e85e35b/FLAG54a38c41d [2024-11-27 23:23:18,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:23:18,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-27 23:23:18,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/data/534e27798/7b34571764454d2ea2634ca10e85e35b/FLAG54a38c41d [2024-11-27 23:23:18,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/data/534e27798/7b34571764454d2ea2634ca10e85e35b [2024-11-27 23:23:18,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:23:18,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:23:18,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:23:18,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:23:18,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:23:18,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:18" (1/1) ... [2024-11-27 23:23:18,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30676020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18, skipping insertion in model container [2024-11-27 23:23:18,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:18" (1/1) ... [2024-11-27 23:23:18,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:23:18,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:23:18,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:23:18,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:23:19,014 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:23:19,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19 WrapperNode [2024-11-27 23:23:19,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:23:19,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:23:19,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:23:19,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:23:19,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,116 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 791 [2024-11-27 23:23:19,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:23:19,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:23:19,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:23:19,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:23:19,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:23:19,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:23:19,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:23:19,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:23:19,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (1/1) ... [2024-11-27 23:23:19,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:23:19,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:19,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:19,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3594c8a-aa38-449f-9e26-74075925f7bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:23:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:23:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:23:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:23:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 23:23:19,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 23:23:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 23:23:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 23:23:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 23:23:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 23:23:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:23:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:23:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:23:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:23:19,297 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:23:19,465 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:23:19,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:23:20,902 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:23:20,903 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:23:20,959 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:23:20,959 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 23:23:20,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:20 BoogieIcfgContainer [2024-11-27 23:23:20,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:23:20,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:23:20,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:23:20,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:23:20,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:23:18" (1/3) ... [2024-11-27 23:23:20,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd9fa83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:23:20, skipping insertion in model container [2024-11-27 23:23:20,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:19" (2/3) ... [2024-11-27 23:23:20,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd9fa83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:23:20, skipping insertion in model container [2024-11-27 23:23:20,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:20" (3/3) ... [2024-11-27 23:23:20,975 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2024-11-27 23:23:20,996 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:23:20,998 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-node-subst.wvr.c that has 4 procedures, 1007 locations, 1 initial locations, 6 loop locations, and 116 error locations. [2024-11-27 23:23:20,998 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:23:21,303 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 23:23:21,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-27 23:23:21,998 INFO L124 PetriNetUnfolderBase]: 48/1051 cut-off events. [2024-11-27 23:23:22,002 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 23:23:22,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1064 conditions, 1051 events. 48/1051 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2179 event pairs, 0 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 855. Up to 2 conditions per place. [2024-11-27 23:23:22,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-27 23:23:22,053 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 993 places, 1028 transitions, 2074 flow [2024-11-27 23:23:22,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:23:22,081 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;@2735f2aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:23:22,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2024-11-27 23:23:22,093 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:23:22,093 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-27 23:23:22,094 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:23:22,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:22,095 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] [2024-11-27 23:23:22,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:22,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:22,104 INFO L85 PathProgramCache]: Analyzing trace with hash -270852225, now seen corresponding path program 1 times [2024-11-27 23:23:22,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:22,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342328498] [2024-11-27 23:23:22,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:22,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:22,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:22,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342328498] [2024-11-27 23:23:22,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342328498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:22,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:22,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297262602] [2024-11-27 23:23:22,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:22,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:22,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:22,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:22,438 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-27 23:23:22,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 993 places, 1028 transitions, 2074 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:22,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:22,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-27 23:23:22,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:23,608 INFO L124 PetriNetUnfolderBase]: 86/2508 cut-off events. [2024-11-27 23:23:23,608 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-27 23:23:23,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2508 events. 86/2508 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14409 event pairs, 39 based on Foata normal form. 68/2125 useless extension candidates. Maximal degree in co-relation 1937. Up to 89 conditions per place. [2024-11-27 23:23:23,679 INFO L140 encePairwiseOnDemand]: 1023/1054 looper letters, 19 selfloop transitions, 2 changer transitions 16/999 dead transitions. [2024-11-27 23:23:23,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 994 places, 999 transitions, 2058 flow [2024-11-27 23:23:23,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3053 transitions. [2024-11-27 23:23:23,749 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.965528146742568 [2024-11-27 23:23:23,753 INFO L175 Difference]: Start difference. First operand has 993 places, 1028 transitions, 2074 flow. Second operand 3 states and 3053 transitions. [2024-11-27 23:23:23,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 994 places, 999 transitions, 2058 flow [2024-11-27 23:23:23,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 988 places, 999 transitions, 2046 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 23:23:23,788 INFO L231 Difference]: Finished difference. Result has 988 places, 983 transitions, 1976 flow [2024-11-27 23:23:23,792 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=2004, PETRI_DIFFERENCE_MINUEND_PLACES=986, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=999, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=997, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1976, PETRI_PLACES=988, PETRI_TRANSITIONS=983} [2024-11-27 23:23:23,797 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -5 predicate places. [2024-11-27 23:23:23,797 INFO L471 AbstractCegarLoop]: Abstraction has has 988 places, 983 transitions, 1976 flow [2024-11-27 23:23:23,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:23,803 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:23,803 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] [2024-11-27 23:23:23,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:23:23,803 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:23,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:23,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1241955474, now seen corresponding path program 1 times [2024-11-27 23:23:23,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:23,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796124378] [2024-11-27 23:23:23,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:23,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:23,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796124378] [2024-11-27 23:23:23,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796124378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:23,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:23,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158405859] [2024-11-27 23:23:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:23,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:23,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:23,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:23,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-27 23:23:23,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 983 transitions, 1976 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:23,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:23,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-27 23:23:23,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:25,597 INFO L124 PetriNetUnfolderBase]: 212/3960 cut-off events. [2024-11-27 23:23:25,597 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-27 23:23:25,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4280 conditions, 3960 events. 212/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 29599 event pairs, 132 based on Foata normal form. 0/3318 useless extension candidates. Maximal degree in co-relation 4237. Up to 257 conditions per place. [2024-11-27 23:23:25,683 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/973 dead transitions. [2024-11-27 23:23:25,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 973 transitions, 2010 flow [2024-11-27 23:23:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-27 23:23:25,694 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-27 23:23:25,694 INFO L175 Difference]: Start difference. First operand has 988 places, 983 transitions, 1976 flow. Second operand 3 states and 2998 transitions. [2024-11-27 23:23:25,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 973 transitions, 2010 flow [2024-11-27 23:23:25,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 973 transitions, 2006 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:25,710 INFO L231 Difference]: Finished difference. Result has 962 places, 973 transitions, 1954 flow [2024-11-27 23:23:25,712 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1952, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=972, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1954, PETRI_PLACES=962, PETRI_TRANSITIONS=973} [2024-11-27 23:23:25,713 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -31 predicate places. [2024-11-27 23:23:25,713 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 973 transitions, 1954 flow [2024-11-27 23:23:25,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:25,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:25,715 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] [2024-11-27 23:23:25,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:23:25,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:25,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -109208187, now seen corresponding path program 1 times [2024-11-27 23:23:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722931062] [2024-11-27 23:23:25,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722931062] [2024-11-27 23:23:25,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722931062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:25,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:25,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:25,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630340570] [2024-11-27 23:23:25,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:25,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:25,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:25,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:25,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:25,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-27 23:23:25,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 973 transitions, 1954 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:25,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:25,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-27 23:23:25,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:26,687 INFO L124 PetriNetUnfolderBase]: 62/2211 cut-off events. [2024-11-27 23:23:26,687 INFO L125 PetriNetUnfolderBase]: For 9/16 co-relation queries the response was YES. [2024-11-27 23:23:26,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 2211 events. 62/2211 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 11147 event pairs, 21 based on Foata normal form. 0/1845 useless extension candidates. Maximal degree in co-relation 2244. Up to 62 conditions per place. [2024-11-27 23:23:26,728 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/972 dead transitions. [2024-11-27 23:23:26,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 963 places, 972 transitions, 1994 flow [2024-11-27 23:23:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-27 23:23:26,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-27 23:23:26,735 INFO L175 Difference]: Start difference. First operand has 962 places, 973 transitions, 1954 flow. Second operand 3 states and 3025 transitions. [2024-11-27 23:23:26,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 963 places, 972 transitions, 1994 flow [2024-11-27 23:23:26,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 972 transitions, 1993 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:23:26,754 INFO L231 Difference]: Finished difference. Result has 962 places, 972 transitions, 1955 flow [2024-11-27 23:23:26,757 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1951, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=970, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1955, PETRI_PLACES=962, PETRI_TRANSITIONS=972} [2024-11-27 23:23:26,758 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -31 predicate places. [2024-11-27 23:23:26,759 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 972 transitions, 1955 flow [2024-11-27 23:23:26,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:26,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:26,761 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] [2024-11-27 23:23:26,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:23:26,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:26,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:26,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1585387665, now seen corresponding path program 1 times [2024-11-27 23:23:26,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:26,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688475957] [2024-11-27 23:23:26,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:26,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:26,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:26,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688475957] [2024-11-27 23:23:26,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688475957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:26,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:26,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871400484] [2024-11-27 23:23:26,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:26,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:26,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:26,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:26,902 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-27 23:23:26,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 972 transitions, 1955 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:26,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:26,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-27 23:23:26,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:28,082 INFO L124 PetriNetUnfolderBase]: 116/2624 cut-off events. [2024-11-27 23:23:28,082 INFO L125 PetriNetUnfolderBase]: For 17/119 co-relation queries the response was YES. [2024-11-27 23:23:28,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2795 conditions, 2624 events. 116/2624 cut-off events. For 17/119 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 15879 event pairs, 60 based on Foata normal form. 0/2222 useless extension candidates. Maximal degree in co-relation 2753. Up to 149 conditions per place. [2024-11-27 23:23:28,221 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/962 dead transitions. [2024-11-27 23:23:28,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 962 transitions, 1989 flow [2024-11-27 23:23:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-27 23:23:28,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-27 23:23:28,234 INFO L175 Difference]: Start difference. First operand has 962 places, 972 transitions, 1955 flow. Second operand 3 states and 2998 transitions. [2024-11-27 23:23:28,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 962 transitions, 1989 flow [2024-11-27 23:23:28,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 962 transitions, 1985 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:28,262 INFO L231 Difference]: Finished difference. Result has 952 places, 962 transitions, 1933 flow [2024-11-27 23:23:28,264 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1931, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=961, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1933, PETRI_PLACES=952, PETRI_TRANSITIONS=962} [2024-11-27 23:23:28,267 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -41 predicate places. [2024-11-27 23:23:28,268 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 962 transitions, 1933 flow [2024-11-27 23:23:28,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:28,271 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:28,272 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] [2024-11-27 23:23:28,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:23:28,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:28,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1373118426, now seen corresponding path program 1 times [2024-11-27 23:23:28,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:28,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918057114] [2024-11-27 23:23:28,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:28,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:28,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:28,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918057114] [2024-11-27 23:23:28,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918057114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:28,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:28,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:28,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802061806] [2024-11-27 23:23:28,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:28,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:28,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:28,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:28,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:28,515 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-27 23:23:28,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 962 transitions, 1933 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:28,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:28,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-27 23:23:28,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:29,110 INFO L124 PetriNetUnfolderBase]: 74/1837 cut-off events. [2024-11-27 23:23:29,110 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-27 23:23:29,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1938 conditions, 1837 events. 74/1837 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8466 event pairs, 39 based on Foata normal form. 0/1563 useless extension candidates. Maximal degree in co-relation 1895. Up to 89 conditions per place. [2024-11-27 23:23:29,168 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/961 dead transitions. [2024-11-27 23:23:29,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 961 transitions, 1973 flow [2024-11-27 23:23:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-27 23:23:29,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-27 23:23:29,177 INFO L175 Difference]: Start difference. First operand has 952 places, 962 transitions, 1933 flow. Second operand 3 states and 3025 transitions. [2024-11-27 23:23:29,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 961 transitions, 1973 flow [2024-11-27 23:23:29,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 961 transitions, 1972 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:23:29,197 INFO L231 Difference]: Finished difference. Result has 952 places, 961 transitions, 1934 flow [2024-11-27 23:23:29,199 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1930, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1934, PETRI_PLACES=952, PETRI_TRANSITIONS=961} [2024-11-27 23:23:29,200 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -41 predicate places. [2024-11-27 23:23:29,203 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 961 transitions, 1934 flow [2024-11-27 23:23:29,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:29,206 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:29,206 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] [2024-11-27 23:23:29,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:23:29,207 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:29,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1670094217, now seen corresponding path program 1 times [2024-11-27 23:23:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:29,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275238148] [2024-11-27 23:23:29,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:29,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:29,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275238148] [2024-11-27 23:23:29,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275238148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:29,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:29,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:29,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45233360] [2024-11-27 23:23:29,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:29,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:29,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:29,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:29,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:29,352 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-27 23:23:29,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 961 transitions, 1934 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:29,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:29,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-27 23:23:29,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:30,504 INFO L124 PetriNetUnfolderBase]: 226/3707 cut-off events. [2024-11-27 23:23:30,504 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-27 23:23:30,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3998 conditions, 3707 events. 226/3707 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 26792 event pairs, 132 based on Foata normal form. 0/3158 useless extension candidates. Maximal degree in co-relation 3956. Up to 274 conditions per place. [2024-11-27 23:23:30,593 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/951 dead transitions. [2024-11-27 23:23:30,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 951 transitions, 1968 flow [2024-11-27 23:23:30,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-27 23:23:30,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-27 23:23:30,603 INFO L175 Difference]: Start difference. First operand has 952 places, 961 transitions, 1934 flow. Second operand 3 states and 2998 transitions. [2024-11-27 23:23:30,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 951 transitions, 1968 flow [2024-11-27 23:23:30,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 951 transitions, 1964 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:30,621 INFO L231 Difference]: Finished difference. Result has 942 places, 951 transitions, 1912 flow [2024-11-27 23:23:30,623 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1910, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1912, PETRI_PLACES=942, PETRI_TRANSITIONS=951} [2024-11-27 23:23:30,624 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -51 predicate places. [2024-11-27 23:23:30,624 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 951 transitions, 1912 flow [2024-11-27 23:23:30,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:30,626 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:30,627 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] [2024-11-27 23:23:30,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:23:30,627 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:30,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1350727979, now seen corresponding path program 1 times [2024-11-27 23:23:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:30,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019213892] [2024-11-27 23:23:30,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:30,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:30,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:30,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019213892] [2024-11-27 23:23:30,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019213892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:30,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:30,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:30,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904922723] [2024-11-27 23:23:30,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:30,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:30,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:30,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:30,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:30,734 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1054 [2024-11-27 23:23:30,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 951 transitions, 1912 flow. Second operand has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:30,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:30,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1054 [2024-11-27 23:23:30,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:31,158 INFO L124 PetriNetUnfolderBase]: 25/1251 cut-off events. [2024-11-27 23:23:31,158 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-27 23:23:31,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1251 events. 25/1251 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3305 event pairs, 2 based on Foata normal form. 0/1097 useless extension candidates. Maximal degree in co-relation 1236. Up to 16 conditions per place. [2024-11-27 23:23:31,190 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 11 selfloop transitions, 2 changer transitions 0/950 dead transitions. [2024-11-27 23:23:31,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 950 transitions, 1936 flow [2024-11-27 23:23:31,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3041 transitions. [2024-11-27 23:23:31,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9617330803289058 [2024-11-27 23:23:31,199 INFO L175 Difference]: Start difference. First operand has 942 places, 951 transitions, 1912 flow. Second operand 3 states and 3041 transitions. [2024-11-27 23:23:31,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 950 transitions, 1936 flow [2024-11-27 23:23:31,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 950 transitions, 1935 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:23:31,219 INFO L231 Difference]: Finished difference. Result has 942 places, 950 transitions, 1913 flow [2024-11-27 23:23:31,221 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1909, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1913, PETRI_PLACES=942, PETRI_TRANSITIONS=950} [2024-11-27 23:23:31,223 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -51 predicate places. [2024-11-27 23:23:31,224 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 950 transitions, 1913 flow [2024-11-27 23:23:31,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:31,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:31,227 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] [2024-11-27 23:23:31,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:23:31,227 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:31,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:31,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1515813744, now seen corresponding path program 1 times [2024-11-27 23:23:31,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:31,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828834048] [2024-11-27 23:23:31,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:31,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:31,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828834048] [2024-11-27 23:23:31,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828834048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:31,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:31,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:31,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792961325] [2024-11-27 23:23:31,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:31,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:31,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:31,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:31,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:31,412 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:31,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 950 transitions, 1913 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:31,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:31,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:31,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:31,878 INFO L124 PetriNetUnfolderBase]: 41/1852 cut-off events. [2024-11-27 23:23:31,879 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-27 23:23:31,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1895 conditions, 1852 events. 41/1852 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8267 event pairs, 6 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 1852. Up to 25 conditions per place. [2024-11-27 23:23:31,906 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/949 dead transitions. [2024-11-27 23:23:31,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 949 transitions, 1939 flow [2024-11-27 23:23:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:31,912 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:31,912 INFO L175 Difference]: Start difference. First operand has 942 places, 950 transitions, 1913 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:31,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 949 transitions, 1939 flow [2024-11-27 23:23:31,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 949 transitions, 1935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:31,926 INFO L231 Difference]: Finished difference. Result has 941 places, 949 transitions, 1911 flow [2024-11-27 23:23:31,928 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1907, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=947, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1911, PETRI_PLACES=941, PETRI_TRANSITIONS=949} [2024-11-27 23:23:31,928 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -52 predicate places. [2024-11-27 23:23:31,928 INFO L471 AbstractCegarLoop]: Abstraction has has 941 places, 949 transitions, 1911 flow [2024-11-27 23:23:31,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:31,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:31,930 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:31,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:23:31,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:31,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:31,931 INFO L85 PathProgramCache]: Analyzing trace with hash 823899996, now seen corresponding path program 1 times [2024-11-27 23:23:31,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:31,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257011183] [2024-11-27 23:23:31,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:31,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:31,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:31,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257011183] [2024-11-27 23:23:31,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257011183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:31,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:31,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:31,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601625368] [2024-11-27 23:23:31,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:31,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:31,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:31,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:31,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:32,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:32,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 949 transitions, 1911 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:32,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:32,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:32,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:32,533 INFO L124 PetriNetUnfolderBase]: 41/1851 cut-off events. [2024-11-27 23:23:32,533 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-27 23:23:32,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 1851 events. 41/1851 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8267 event pairs, 6 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 1851. Up to 25 conditions per place. [2024-11-27 23:23:32,561 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/948 dead transitions. [2024-11-27 23:23:32,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 948 transitions, 1937 flow [2024-11-27 23:23:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:32,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:32,567 INFO L175 Difference]: Start difference. First operand has 941 places, 949 transitions, 1911 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:32,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 948 transitions, 1937 flow [2024-11-27 23:23:32,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 948 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:32,581 INFO L231 Difference]: Finished difference. Result has 940 places, 948 transitions, 1909 flow [2024-11-27 23:23:32,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1905, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1909, PETRI_PLACES=940, PETRI_TRANSITIONS=948} [2024-11-27 23:23:32,583 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -53 predicate places. [2024-11-27 23:23:32,583 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 948 transitions, 1909 flow [2024-11-27 23:23:32,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:32,585 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:32,585 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:32,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:23:32,586 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:32,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:32,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1573185764, now seen corresponding path program 1 times [2024-11-27 23:23:32,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:32,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771194209] [2024-11-27 23:23:32,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:32,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:32,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:32,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771194209] [2024-11-27 23:23:32,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771194209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:32,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:32,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:32,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096682700] [2024-11-27 23:23:32,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:32,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:32,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:32,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:32,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:32,678 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:32,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 948 transitions, 1909 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:32,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:32,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:32,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:33,005 INFO L124 PetriNetUnfolderBase]: 22/1098 cut-off events. [2024-11-27 23:23:33,005 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-27 23:23:33,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 1098 events. 22/1098 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2518 event pairs, 2 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 1085. Up to 17 conditions per place. [2024-11-27 23:23:33,029 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/947 dead transitions. [2024-11-27 23:23:33,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 947 transitions, 1935 flow [2024-11-27 23:23:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:33,036 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:33,037 INFO L175 Difference]: Start difference. First operand has 940 places, 948 transitions, 1909 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:33,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 947 transitions, 1935 flow [2024-11-27 23:23:33,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 947 transitions, 1931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:33,056 INFO L231 Difference]: Finished difference. Result has 939 places, 947 transitions, 1907 flow [2024-11-27 23:23:33,057 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=945, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1907, PETRI_PLACES=939, PETRI_TRANSITIONS=947} [2024-11-27 23:23:33,060 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -54 predicate places. [2024-11-27 23:23:33,060 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 947 transitions, 1907 flow [2024-11-27 23:23:33,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:33,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:33,062 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:33,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:23:33,062 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:33,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:33,063 INFO L85 PathProgramCache]: Analyzing trace with hash 293261081, now seen corresponding path program 1 times [2024-11-27 23:23:33,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:33,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818794899] [2024-11-27 23:23:33,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:33,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:33,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:33,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818794899] [2024-11-27 23:23:33,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818794899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:33,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:33,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879059564] [2024-11-27 23:23:33,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:33,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:33,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:33,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:33,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:33,209 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:33,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 947 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:33,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:33,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:33,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:33,632 INFO L124 PetriNetUnfolderBase]: 32/1399 cut-off events. [2024-11-27 23:23:33,632 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-27 23:23:33,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1439 conditions, 1399 events. 32/1399 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4850 event pairs, 6 based on Foata normal form. 0/1222 useless extension candidates. Maximal degree in co-relation 1396. Up to 25 conditions per place. [2024-11-27 23:23:33,653 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-27 23:23:33,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 946 transitions, 1933 flow [2024-11-27 23:23:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:33,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:33,660 INFO L175 Difference]: Start difference. First operand has 939 places, 947 transitions, 1907 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:33,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 946 transitions, 1933 flow [2024-11-27 23:23:33,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 946 transitions, 1929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:33,680 INFO L231 Difference]: Finished difference. Result has 938 places, 946 transitions, 1905 flow [2024-11-27 23:23:33,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1901, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=946, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1905, PETRI_PLACES=938, PETRI_TRANSITIONS=946} [2024-11-27 23:23:33,682 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -55 predicate places. [2024-11-27 23:23:33,682 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 946 transitions, 1905 flow [2024-11-27 23:23:33,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:33,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:33,684 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] [2024-11-27 23:23:33,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:23:33,684 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:33,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:33,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1287953944, now seen corresponding path program 1 times [2024-11-27 23:23:33,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:33,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103148007] [2024-11-27 23:23:33,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:33,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:33,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:33,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103148007] [2024-11-27 23:23:33,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103148007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:33,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:33,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:33,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69220538] [2024-11-27 23:23:33,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:33,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:33,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:33,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:33,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:33,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 946 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:33,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:33,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:33,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:34,327 INFO L124 PetriNetUnfolderBase]: 32/1398 cut-off events. [2024-11-27 23:23:34,327 INFO L125 PetriNetUnfolderBase]: For 4/28 co-relation queries the response was YES. [2024-11-27 23:23:34,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 1398 events. 32/1398 cut-off events. For 4/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4825 event pairs, 6 based on Foata normal form. 0/1223 useless extension candidates. Maximal degree in co-relation 1395. Up to 25 conditions per place. [2024-11-27 23:23:34,351 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-11-27 23:23:34,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 945 transitions, 1931 flow [2024-11-27 23:23:34,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:34,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:34,358 INFO L175 Difference]: Start difference. First operand has 938 places, 946 transitions, 1905 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:34,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 945 transitions, 1931 flow [2024-11-27 23:23:34,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:34,376 INFO L231 Difference]: Finished difference. Result has 937 places, 945 transitions, 1903 flow [2024-11-27 23:23:34,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1899, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1903, PETRI_PLACES=937, PETRI_TRANSITIONS=945} [2024-11-27 23:23:34,378 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -56 predicate places. [2024-11-27 23:23:34,378 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 945 transitions, 1903 flow [2024-11-27 23:23:34,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:34,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:34,380 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:34,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:23:34,380 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:34,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:34,381 INFO L85 PathProgramCache]: Analyzing trace with hash 684177585, now seen corresponding path program 1 times [2024-11-27 23:23:34,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:34,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920851872] [2024-11-27 23:23:34,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:34,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:34,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920851872] [2024-11-27 23:23:34,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920851872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:34,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:34,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:34,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560230106] [2024-11-27 23:23:34,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:34,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:34,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:34,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:34,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:34,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:34,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 945 transitions, 1903 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:34,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:34,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:34,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:34,709 INFO L124 PetriNetUnfolderBase]: 19/974 cut-off events. [2024-11-27 23:23:34,709 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-27 23:23:34,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 974 events. 19/974 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2059 event pairs, 2 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 960. Up to 17 conditions per place. [2024-11-27 23:23:34,726 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-11-27 23:23:34,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 944 transitions, 1929 flow [2024-11-27 23:23:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:34,731 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:34,732 INFO L175 Difference]: Start difference. First operand has 937 places, 945 transitions, 1903 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:34,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 944 transitions, 1929 flow [2024-11-27 23:23:34,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:34,746 INFO L231 Difference]: Finished difference. Result has 936 places, 944 transitions, 1901 flow [2024-11-27 23:23:34,747 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=942, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1901, PETRI_PLACES=936, PETRI_TRANSITIONS=944} [2024-11-27 23:23:34,748 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -57 predicate places. [2024-11-27 23:23:34,748 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 944 transitions, 1901 flow [2024-11-27 23:23:34,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:34,749 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:34,750 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:34,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:23:34,750 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:34,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:34,750 INFO L85 PathProgramCache]: Analyzing trace with hash -38680077, now seen corresponding path program 1 times [2024-11-27 23:23:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:34,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385883859] [2024-11-27 23:23:34,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:34,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:34,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385883859] [2024-11-27 23:23:34,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385883859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:34,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:34,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:34,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891279411] [2024-11-27 23:23:34,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:34,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:34,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:34,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:34,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:34,851 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:34,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 944 transitions, 1901 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:34,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:34,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:34,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:35,175 INFO L124 PetriNetUnfolderBase]: 29/1209 cut-off events. [2024-11-27 23:23:35,176 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-27 23:23:35,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 1209 events. 29/1209 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 3082 event pairs, 6 based on Foata normal form. 0/1065 useless extension candidates. Maximal degree in co-relation 1203. Up to 25 conditions per place. [2024-11-27 23:23:35,191 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-27 23:23:35,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 943 transitions, 1927 flow [2024-11-27 23:23:35,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:35,196 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:35,196 INFO L175 Difference]: Start difference. First operand has 936 places, 944 transitions, 1901 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:35,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 943 transitions, 1927 flow [2024-11-27 23:23:35,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 943 transitions, 1923 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:35,210 INFO L231 Difference]: Finished difference. Result has 935 places, 943 transitions, 1899 flow [2024-11-27 23:23:35,211 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1895, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=935, PETRI_TRANSITIONS=943} [2024-11-27 23:23:35,213 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -58 predicate places. [2024-11-27 23:23:35,213 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 943 transitions, 1899 flow [2024-11-27 23:23:35,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:35,214 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:35,215 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:35,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:23:35,215 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:35,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1503669193, now seen corresponding path program 1 times [2024-11-27 23:23:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:35,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270113989] [2024-11-27 23:23:35,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:35,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:35,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:35,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270113989] [2024-11-27 23:23:35,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270113989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:35,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:35,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:23:35,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302257594] [2024-11-27 23:23:35,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:35,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:35,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:35,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:35,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:35,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-27 23:23:35,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 943 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:35,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:35,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-27 23:23:35,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:23:35,610 INFO L124 PetriNetUnfolderBase]: 29/1170 cut-off events. [2024-11-27 23:23:35,611 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-27 23:23:35,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 1170 events. 29/1170 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2933 event pairs, 6 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1164. Up to 25 conditions per place. [2024-11-27 23:23:35,632 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-11-27 23:23:35,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 942 transitions, 1925 flow [2024-11-27 23:23:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:23:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-27 23:23:35,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-27 23:23:35,637 INFO L175 Difference]: Start difference. First operand has 935 places, 943 transitions, 1899 flow. Second operand 3 states and 3039 transitions. [2024-11-27 23:23:35,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 942 transitions, 1925 flow [2024-11-27 23:23:35,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 942 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:23:35,651 INFO L231 Difference]: Finished difference. Result has 934 places, 942 transitions, 1897 flow [2024-11-27 23:23:35,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1897, PETRI_PLACES=934, PETRI_TRANSITIONS=942} [2024-11-27 23:23:35,654 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -59 predicate places. [2024-11-27 23:23:35,654 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 942 transitions, 1897 flow [2024-11-27 23:23:35,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:35,655 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:23:35,655 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:35,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:23:35,656 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:23:35,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:35,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1225891228, now seen corresponding path program 1 times [2024-11-27 23:23:35,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:35,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855272354] [2024-11-27 23:23:35,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:35,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:36,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:36,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855272354] [2024-11-27 23:23:36,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855272354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:36,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:36,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:36,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177077184] [2024-11-27 23:23:36,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:36,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:23:36,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:36,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:23:36,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:23:37,461 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-27 23:23:37,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 942 transitions, 1897 flow. Second operand has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:37,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:23:37,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-27 23:23:37,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:24:01,706 INFO L124 PetriNetUnfolderBase]: 15256/84668 cut-off events. [2024-11-27 23:24:01,706 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-27 23:24:02,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107097 conditions, 84668 events. 15256/84668 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1172. Compared 1250279 event pairs, 14040 based on Foata normal form. 0/73980 useless extension candidates. Maximal degree in co-relation 107055. Up to 22026 conditions per place. [2024-11-27 23:24:02,332 INFO L140 encePairwiseOnDemand]: 1036/1054 looper letters, 87 selfloop transitions, 15 changer transitions 0/939 dead transitions. [2024-11-27 23:24:02,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 939 transitions, 2095 flow [2024-11-27 23:24:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:24:02,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:24:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5619 transitions. [2024-11-27 23:24:02,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8885199240986718 [2024-11-27 23:24:02,339 INFO L175 Difference]: Start difference. First operand has 934 places, 942 transitions, 1897 flow. Second operand 6 states and 5619 transitions. [2024-11-27 23:24:02,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 939 transitions, 2095 flow [2024-11-27 23:24:02,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 939 transitions, 2091 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:24:02,351 INFO L231 Difference]: Finished difference. Result has 934 places, 939 transitions, 1917 flow [2024-11-27 23:24:02,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1917, PETRI_PLACES=934, PETRI_TRANSITIONS=939} [2024-11-27 23:24:02,352 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -59 predicate places. [2024-11-27 23:24:02,352 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 939 transitions, 1917 flow [2024-11-27 23:24:02,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:02,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:24:02,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:02,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:24:02,355 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:24:02,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:02,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1247439869, now seen corresponding path program 1 times [2024-11-27 23:24:02,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:02,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824255442] [2024-11-27 23:24:02,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:02,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:02,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:02,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824255442] [2024-11-27 23:24:02,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824255442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:02,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:02,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:24:02,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629579916] [2024-11-27 23:24:02,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:02,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:02,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:02,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:02,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:02,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-27 23:24:02,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 939 transitions, 1917 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:02,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:24:02,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-27 23:24:02,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:24:03,312 INFO L124 PetriNetUnfolderBase]: 61/2110 cut-off events. [2024-11-27 23:24:03,312 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 23:24:03,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2195 conditions, 2110 events. 61/2110 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 10735 event pairs, 20 based on Foata normal form. 0/1818 useless extension candidates. Maximal degree in co-relation 2152. Up to 50 conditions per place. [2024-11-27 23:24:03,335 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/938 dead transitions. [2024-11-27 23:24:03,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 938 transitions, 1945 flow [2024-11-27 23:24:03,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:24:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-27 23:24:03,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-27 23:24:03,339 INFO L175 Difference]: Start difference. First operand has 934 places, 939 transitions, 1917 flow. Second operand 3 states and 3037 transitions. [2024-11-27 23:24:03,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 938 transitions, 1945 flow [2024-11-27 23:24:03,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 938 transitions, 1915 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:24:03,351 INFO L231 Difference]: Finished difference. Result has 930 places, 938 transitions, 1889 flow [2024-11-27 23:24:03,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1889, PETRI_PLACES=930, PETRI_TRANSITIONS=938} [2024-11-27 23:24:03,352 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -63 predicate places. [2024-11-27 23:24:03,352 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 938 transitions, 1889 flow [2024-11-27 23:24:03,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:03,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:24:03,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:03,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:24:03,354 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:24:03,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1894218615, now seen corresponding path program 1 times [2024-11-27 23:24:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:03,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120538401] [2024-11-27 23:24:03,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:03,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:03,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120538401] [2024-11-27 23:24:03,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120538401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:03,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:03,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:24:03,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986874417] [2024-11-27 23:24:03,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:03,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:03,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:03,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:03,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:03,490 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-27 23:24:03,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 938 transitions, 1889 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:03,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:24:03,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-27 23:24:03,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:24:04,158 INFO L124 PetriNetUnfolderBase]: 47/1835 cut-off events. [2024-11-27 23:24:04,158 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-27 23:24:04,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1835 events. 47/1835 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7451 event pairs, 12 based on Foata normal form. 0/1592 useless extension candidates. Maximal degree in co-relation 1846. Up to 38 conditions per place. [2024-11-27 23:24:04,207 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-11-27 23:24:04,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 937 transitions, 1917 flow [2024-11-27 23:24:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:24:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-27 23:24:04,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-27 23:24:04,213 INFO L175 Difference]: Start difference. First operand has 930 places, 938 transitions, 1889 flow. Second operand 3 states and 3037 transitions. [2024-11-27 23:24:04,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 937 transitions, 1917 flow [2024-11-27 23:24:04,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 937 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:24:04,230 INFO L231 Difference]: Finished difference. Result has 929 places, 937 transitions, 1887 flow [2024-11-27 23:24:04,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1883, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=929, PETRI_TRANSITIONS=937} [2024-11-27 23:24:04,231 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -64 predicate places. [2024-11-27 23:24:04,232 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 937 transitions, 1887 flow [2024-11-27 23:24:04,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:04,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:24:04,234 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:04,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:24:04,235 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:24:04,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:04,236 INFO L85 PathProgramCache]: Analyzing trace with hash -627386627, now seen corresponding path program 1 times [2024-11-27 23:24:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:04,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828460491] [2024-11-27 23:24:04,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:04,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:04,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828460491] [2024-11-27 23:24:04,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828460491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:04,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:04,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:24:04,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457661977] [2024-11-27 23:24:04,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:04,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:04,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:04,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:04,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:04,413 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-27 23:24:04,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 937 transitions, 1887 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:04,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:24:04,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-27 23:24:04,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:24:04,881 INFO L124 PetriNetUnfolderBase]: 52/1631 cut-off events. [2024-11-27 23:24:04,881 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-27 23:24:04,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 1631 events. 52/1631 cut-off events. For 12/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6147 event pairs, 20 based on Foata normal form. 0/1424 useless extension candidates. Maximal degree in co-relation 1652. Up to 50 conditions per place. [2024-11-27 23:24:04,896 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/936 dead transitions. [2024-11-27 23:24:04,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 936 transitions, 1915 flow [2024-11-27 23:24:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:24:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-27 23:24:04,901 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-27 23:24:04,901 INFO L175 Difference]: Start difference. First operand has 929 places, 937 transitions, 1887 flow. Second operand 3 states and 3037 transitions. [2024-11-27 23:24:04,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 936 transitions, 1915 flow [2024-11-27 23:24:04,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 936 transitions, 1911 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:24:04,909 INFO L231 Difference]: Finished difference. Result has 928 places, 936 transitions, 1885 flow [2024-11-27 23:24:04,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1881, PETRI_DIFFERENCE_MINUEND_PLACES=926, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=934, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1885, PETRI_PLACES=928, PETRI_TRANSITIONS=936} [2024-11-27 23:24:04,911 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -65 predicate places. [2024-11-27 23:24:04,911 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 936 transitions, 1885 flow [2024-11-27 23:24:04,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:04,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:24:04,913 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:04,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 23:24:04,913 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-27 23:24:04,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1737952028, now seen corresponding path program 1 times [2024-11-27 23:24:04,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:04,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956252954] [2024-11-27 23:24:04,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:04,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:05,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:05,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956252954] [2024-11-27 23:24:05,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956252954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:05,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:05,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:24:05,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594575169] [2024-11-27 23:24:05,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:05,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:05,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:05,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:05,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:05,636 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-27 23:24:05,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 936 transitions, 1885 flow. Second operand has 3 states, 3 states have (on average 921.0) internal successors, (2763), 3 states have internal predecessors, (2763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:05,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:24:05,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-27 23:24:05,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand