./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/security.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_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/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_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/security.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/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_13819413-6530-41ee-bf1d-a71913fb6feb/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 0a3d6a7be4cff77b59978ea166f504665a94bd97447fe28973d9c58d928e868d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:32:15,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:32:15,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:32:15,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:32:15,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:32:15,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:32:15,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:32:15,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:32:15,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:32:15,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:32:15,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:32:15,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:32:15,260 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:32:15,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:32:15,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:32:15,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:32:15,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:32:15,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:32:15,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:32:15,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:32:15,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:32:15,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:32:15,262 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:32:15,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:32:15,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:32:15,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:32:15,263 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:32:15,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:32:15,263 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:32:15,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:15,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:15,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:15,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:32:15,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:15,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:15,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:15,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:32:15,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:32:15,265 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_13819413-6530-41ee-bf1d-a71913fb6feb/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 -> 0a3d6a7be4cff77b59978ea166f504665a94bd97447fe28973d9c58d928e868d [2024-11-28 04:32:15,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:32:15,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:32:15,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:32:15,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:32:15,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:32:15,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/security.wvr.c [2024-11-28 04:32:19,626 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/data/b01bd071f/4dc3deb553444c1686bd382a70bbc878/FLAGf184c70bd [2024-11-28 04:32:19,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:32:19,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/sv-benchmarks/c/weaver/security.wvr.c [2024-11-28 04:32:19,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/data/b01bd071f/4dc3deb553444c1686bd382a70bbc878/FLAGf184c70bd [2024-11-28 04:32:20,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/data/b01bd071f/4dc3deb553444c1686bd382a70bbc878 [2024-11-28 04:32:20,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:32:20,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:32:20,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:20,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:32:20,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:32:20,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fa054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20, skipping insertion in model container [2024-11-28 04:32:20,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:32:20,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:20,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:32:20,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:20,378 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:32:20,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20 WrapperNode [2024-11-28 04:32:20,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:20,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:20,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:32:20,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:32:20,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,428 INFO L138 Inliner]: procedures = 20, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-28 04:32:20,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:20,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:32:20,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:32:20,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:32:20,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:32:20,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:32:20,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:32:20,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:32:20,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (1/1) ... [2024-11-28 04:32:20,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:20,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:20,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:32:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:32:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:32:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:32:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:32:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:32:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:32:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:32:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:32:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:32:20,554 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:32:20,703 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:32:20,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:21,030 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:32:21,030 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:21,057 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:32:21,059 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:32:21,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:21 BoogieIcfgContainer [2024-11-28 04:32:21,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:32:21,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:32:21,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:32:21,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:32:21,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:32:20" (1/3) ... [2024-11-28 04:32:21,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb98169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:21, skipping insertion in model container [2024-11-28 04:32:21,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:20" (2/3) ... [2024-11-28 04:32:21,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb98169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:21, skipping insertion in model container [2024-11-28 04:32:21,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:21" (3/3) ... [2024-11-28 04:32:21,078 INFO L128 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2024-11-28 04:32:21,099 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:32:21,101 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG security.wvr.c that has 3 procedures, 145 locations, 1 initial locations, 0 loop locations, and 17 error locations. [2024-11-28 04:32:21,101 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:32:21,229 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:32:21,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 147 transitions, 308 flow [2024-11-28 04:32:21,435 INFO L124 PetriNetUnfolderBase]: 3/145 cut-off events. [2024-11-28 04:32:21,438 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:32:21,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 145 events. 3/145 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 203 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-11-28 04:32:21,448 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 147 transitions, 308 flow [2024-11-28 04:32:21,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 128 transitions, 268 flow [2024-11-28 04:32:21,467 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:32:21,484 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;@28833fce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:32:21,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-28 04:32:21,495 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:32:21,495 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 04:32:21,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:32:21,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:21,497 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:21,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:21,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1652043013, now seen corresponding path program 1 times [2024-11-28 04:32:21,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:21,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648102574] [2024-11-28 04:32:21,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:21,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:21,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648102574] [2024-11-28 04:32:21,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648102574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:21,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:21,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154906146] [2024-11-28 04:32:21,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:21,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:21,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:21,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:21,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:21,887 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 147 [2024-11-28 04:32:21,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 128 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:21,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:21,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 147 [2024-11-28 04:32:21,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:21,973 INFO L124 PetriNetUnfolderBase]: 6/176 cut-off events. [2024-11-28 04:32:21,973 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-28 04:32:21,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 176 events. 6/176 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 402 event pairs, 3 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 150. Up to 16 conditions per place. [2024-11-28 04:32:21,977 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2024-11-28 04:32:21,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 127 transitions, 288 flow [2024-11-28 04:32:21,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2024-11-28 04:32:22,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9251700680272109 [2024-11-28 04:32:22,011 INFO L175 Difference]: Start difference. First operand has 133 places, 128 transitions, 268 flow. Second operand 3 states and 408 transitions. [2024-11-28 04:32:22,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 127 transitions, 288 flow [2024-11-28 04:32:22,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 127 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:32:22,030 INFO L231 Difference]: Finished difference. Result has 130 places, 127 transitions, 262 flow [2024-11-28 04:32:22,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=130, PETRI_TRANSITIONS=127} [2024-11-28 04:32:22,042 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -3 predicate places. [2024-11-28 04:32:22,043 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 127 transitions, 262 flow [2024-11-28 04:32:22,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:22,047 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:22,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:32:22,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:22,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1233895533, now seen corresponding path program 1 times [2024-11-28 04:32:22,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:22,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127520954] [2024-11-28 04:32:22,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:22,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:22,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127520954] [2024-11-28 04:32:22,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127520954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:22,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:22,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:22,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676306545] [2024-11-28 04:32:22,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:22,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:22,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:22,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:22,236 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-28 04:32:22,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 127 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:22,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-28 04:32:22,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:22,307 INFO L124 PetriNetUnfolderBase]: 8/170 cut-off events. [2024-11-28 04:32:22,307 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:32:22,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 170 events. 8/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 471 event pairs, 3 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 172. Up to 14 conditions per place. [2024-11-28 04:32:22,310 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2024-11-28 04:32:22,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 127 transitions, 283 flow [2024-11-28 04:32:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-28 04:32:22,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-28 04:32:22,314 INFO L175 Difference]: Start difference. First operand has 130 places, 127 transitions, 262 flow. Second operand 3 states and 416 transitions. [2024-11-28 04:32:22,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 127 transitions, 283 flow [2024-11-28 04:32:22,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 127 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:22,319 INFO L231 Difference]: Finished difference. Result has 129 places, 126 transitions, 260 flow [2024-11-28 04:32:22,320 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=129, PETRI_TRANSITIONS=126} [2024-11-28 04:32:22,320 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -4 predicate places. [2024-11-28 04:32:22,321 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 126 transitions, 260 flow [2024-11-28 04:32:22,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,321 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:22,322 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] [2024-11-28 04:32:22,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:32:22,322 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:22,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:22,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1432322502, now seen corresponding path program 1 times [2024-11-28 04:32:22,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:22,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189133826] [2024-11-28 04:32:22,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:22,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:22,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189133826] [2024-11-28 04:32:22,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189133826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:22,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:22,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:22,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231955750] [2024-11-28 04:32:22,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:22,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:22,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:22,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:22,437 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-28 04:32:22,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 126 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:22,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-28 04:32:22,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:22,506 INFO L124 PetriNetUnfolderBase]: 8/169 cut-off events. [2024-11-28 04:32:22,506 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-28 04:32:22,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 169 events. 8/169 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 290 event pairs, 2 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 154. Up to 14 conditions per place. [2024-11-28 04:32:22,511 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-11-28 04:32:22,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 126 transitions, 281 flow [2024-11-28 04:32:22,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-28 04:32:22,516 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-28 04:32:22,517 INFO L175 Difference]: Start difference. First operand has 129 places, 126 transitions, 260 flow. Second operand 3 states and 416 transitions. [2024-11-28 04:32:22,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 126 transitions, 281 flow [2024-11-28 04:32:22,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 126 transitions, 277 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:22,523 INFO L231 Difference]: Finished difference. Result has 128 places, 125 transitions, 258 flow [2024-11-28 04:32:22,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=128, PETRI_TRANSITIONS=125} [2024-11-28 04:32:22,526 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -5 predicate places. [2024-11-28 04:32:22,526 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 125 transitions, 258 flow [2024-11-28 04:32:22,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:22,528 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] [2024-11-28 04:32:22,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:32:22,528 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:22,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:22,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1053979864, now seen corresponding path program 1 times [2024-11-28 04:32:22,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:22,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630167018] [2024-11-28 04:32:22,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:22,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:22,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:22,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630167018] [2024-11-28 04:32:22,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630167018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:22,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:22,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:22,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887204711] [2024-11-28 04:32:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:22,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:22,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:22,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:22,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:22,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-28 04:32:22,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 125 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:22,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-28 04:32:22,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:22,748 INFO L124 PetriNetUnfolderBase]: 4/199 cut-off events. [2024-11-28 04:32:22,748 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:32:22,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 199 events. 4/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 628 event pairs, 1 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 167. Up to 8 conditions per place. [2024-11-28 04:32:22,753 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 9 selfloop transitions, 1 changer transitions 0/127 dead transitions. [2024-11-28 04:32:22,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 285 flow [2024-11-28 04:32:22,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2024-11-28 04:32:22,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9569160997732427 [2024-11-28 04:32:22,757 INFO L175 Difference]: Start difference. First operand has 128 places, 125 transitions, 258 flow. Second operand 3 states and 422 transitions. [2024-11-28 04:32:22,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 285 flow [2024-11-28 04:32:22,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 281 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:22,766 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 254 flow [2024-11-28 04:32:22,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-11-28 04:32:22,767 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -6 predicate places. [2024-11-28 04:32:22,767 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 254 flow [2024-11-28 04:32:22,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:22,768 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] [2024-11-28 04:32:22,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:32:22,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:22,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:22,772 INFO L85 PathProgramCache]: Analyzing trace with hash 708059466, now seen corresponding path program 1 times [2024-11-28 04:32:22,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:22,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76758714] [2024-11-28 04:32:22,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:22,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:22,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76758714] [2024-11-28 04:32:22,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76758714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:22,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:22,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:22,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737717688] [2024-11-28 04:32:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:22,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:22,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:22,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:22,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:22,899 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-28 04:32:22,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:22,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:22,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-28 04:32:22,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:23,014 INFO L124 PetriNetUnfolderBase]: 11/300 cut-off events. [2024-11-28 04:32:23,014 INFO L125 PetriNetUnfolderBase]: For 4/11 co-relation queries the response was YES. [2024-11-28 04:32:23,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 300 events. 11/300 cut-off events. For 4/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1203 event pairs, 5 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 207. Up to 22 conditions per place. [2024-11-28 04:32:23,017 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-28 04:32:23,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 124 transitions, 277 flow [2024-11-28 04:32:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-28 04:32:23,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-28 04:32:23,021 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 254 flow. Second operand 3 states and 414 transitions. [2024-11-28 04:32:23,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 124 transitions, 277 flow [2024-11-28 04:32:23,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 124 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:23,025 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 255 flow [2024-11-28 04:32:23,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2024-11-28 04:32:23,026 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -6 predicate places. [2024-11-28 04:32:23,026 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 255 flow [2024-11-28 04:32:23,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:23,027 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] [2024-11-28 04:32:23,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:32:23,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:23,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:23,028 INFO L85 PathProgramCache]: Analyzing trace with hash 206179214, now seen corresponding path program 1 times [2024-11-28 04:32:23,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:23,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398072007] [2024-11-28 04:32:23,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:23,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:23,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398072007] [2024-11-28 04:32:23,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398072007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:23,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:23,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:23,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347662288] [2024-11-28 04:32:23,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:23,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:23,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:23,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:23,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:23,124 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-28 04:32:23,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:23,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-28 04:32:23,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:23,214 INFO L124 PetriNetUnfolderBase]: 11/299 cut-off events. [2024-11-28 04:32:23,215 INFO L125 PetriNetUnfolderBase]: For 6/13 co-relation queries the response was YES. [2024-11-28 04:32:23,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 299 events. 11/299 cut-off events. For 6/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1212 event pairs, 5 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 212. Up to 22 conditions per place. [2024-11-28 04:32:23,217 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2024-11-28 04:32:23,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 123 transitions, 278 flow [2024-11-28 04:32:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-28 04:32:23,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-28 04:32:23,220 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 255 flow. Second operand 3 states and 414 transitions. [2024-11-28 04:32:23,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 123 transitions, 278 flow [2024-11-28 04:32:23,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 123 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:23,224 INFO L231 Difference]: Finished difference. Result has 126 places, 122 transitions, 253 flow [2024-11-28 04:32:23,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=126, PETRI_TRANSITIONS=122} [2024-11-28 04:32:23,225 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -7 predicate places. [2024-11-28 04:32:23,225 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 122 transitions, 253 flow [2024-11-28 04:32:23,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:23,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:23,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:32:23,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:23,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1215516512, now seen corresponding path program 1 times [2024-11-28 04:32:23,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:23,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680581697] [2024-11-28 04:32:23,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:23,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:23,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680581697] [2024-11-28 04:32:23,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680581697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:23,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:23,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:23,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743360984] [2024-11-28 04:32:23,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:23,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:23,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:23,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:23,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:23,301 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 147 [2024-11-28 04:32:23,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 122 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:23,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 147 [2024-11-28 04:32:23,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:23,365 INFO L124 PetriNetUnfolderBase]: 9/261 cut-off events. [2024-11-28 04:32:23,366 INFO L125 PetriNetUnfolderBase]: For 6/12 co-relation queries the response was YES. [2024-11-28 04:32:23,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 261 events. 9/261 cut-off events. For 6/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 938 event pairs, 2 based on Foata normal form. 2/229 useless extension candidates. Maximal degree in co-relation 197. Up to 16 conditions per place. [2024-11-28 04:32:23,372 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 8 selfloop transitions, 1 changer transitions 0/122 dead transitions. [2024-11-28 04:32:23,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 122 transitions, 272 flow [2024-11-28 04:32:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-28 04:32:23,374 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478458049886621 [2024-11-28 04:32:23,375 INFO L175 Difference]: Start difference. First operand has 126 places, 122 transitions, 253 flow. Second operand 3 states and 418 transitions. [2024-11-28 04:32:23,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 122 transitions, 272 flow [2024-11-28 04:32:23,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:23,378 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 249 flow [2024-11-28 04:32:23,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2024-11-28 04:32:23,379 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-28 04:32:23,379 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 249 flow [2024-11-28 04:32:23,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:23,380 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] [2024-11-28 04:32:23,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:32:23,380 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:23,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1260704255, now seen corresponding path program 1 times [2024-11-28 04:32:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109377926] [2024-11-28 04:32:23,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:23,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:23,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109377926] [2024-11-28 04:32:23,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109377926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:23,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:23,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:23,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167822880] [2024-11-28 04:32:23,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:23,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:23,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:23,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:23,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:23,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-28 04:32:23,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:23,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-28 04:32:23,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:23,516 INFO L124 PetriNetUnfolderBase]: 6/274 cut-off events. [2024-11-28 04:32:23,516 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-11-28 04:32:23,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 274 events. 6/274 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 880 event pairs, 4 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 163. Up to 12 conditions per place. [2024-11-28 04:32:23,518 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 8 selfloop transitions, 1 changer transitions 0/122 dead transitions. [2024-11-28 04:32:23,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 122 transitions, 271 flow [2024-11-28 04:32:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2024-11-28 04:32:23,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9546485260770975 [2024-11-28 04:32:23,522 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 249 flow. Second operand 3 states and 421 transitions. [2024-11-28 04:32:23,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 122 transitions, 271 flow [2024-11-28 04:32:23,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:23,537 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 248 flow [2024-11-28 04:32:23,538 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-28 04:32:23,539 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-28 04:32:23,542 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 248 flow [2024-11-28 04:32:23,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:23,543 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] [2024-11-28 04:32:23,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:32:23,544 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:23,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:23,545 INFO L85 PathProgramCache]: Analyzing trace with hash -119724766, now seen corresponding path program 1 times [2024-11-28 04:32:23,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:23,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505167165] [2024-11-28 04:32:23,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:23,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:23,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505167165] [2024-11-28 04:32:23,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505167165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:23,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:23,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:23,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306230849] [2024-11-28 04:32:23,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:23,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:23,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:23,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:23,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-28 04:32:23,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:23,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-28 04:32:23,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:23,783 INFO L124 PetriNetUnfolderBase]: 28/362 cut-off events. [2024-11-28 04:32:23,784 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 04:32:23,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 362 events. 28/362 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1749 event pairs, 16 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 295. Up to 70 conditions per place. [2024-11-28 04:32:23,788 INFO L140 encePairwiseOnDemand]: 143/147 looper letters, 10 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-11-28 04:32:23,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 275 flow [2024-11-28 04:32:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-28 04:32:23,791 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-28 04:32:23,791 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 248 flow. Second operand 3 states and 416 transitions. [2024-11-28 04:32:23,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 275 flow [2024-11-28 04:32:23,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 121 transitions, 274 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:23,796 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 257 flow [2024-11-28 04:32:23,797 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-28 04:32:23,798 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-28 04:32:23,798 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 257 flow [2024-11-28 04:32:23,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:23,799 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] [2024-11-28 04:32:23,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:32:23,799 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:23,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:23,800 INFO L85 PathProgramCache]: Analyzing trace with hash 326439841, now seen corresponding path program 1 times [2024-11-28 04:32:23,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:23,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148960704] [2024-11-28 04:32:23,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:23,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:23,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148960704] [2024-11-28 04:32:23,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148960704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:23,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:23,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:23,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638730878] [2024-11-28 04:32:23,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:23,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:23,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:23,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:23,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:23,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-28 04:32:23,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:23,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:23,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-28 04:32:23,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:23,999 INFO L124 PetriNetUnfolderBase]: 18/287 cut-off events. [2024-11-28 04:32:23,999 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2024-11-28 04:32:24,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 287 events. 18/287 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1162 event pairs, 10 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 193. Up to 34 conditions per place. [2024-11-28 04:32:24,001 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-28 04:32:24,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 120 transitions, 280 flow [2024-11-28 04:32:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-28 04:32:24,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-28 04:32:24,004 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 257 flow. Second operand 3 states and 414 transitions. [2024-11-28 04:32:24,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 120 transitions, 280 flow [2024-11-28 04:32:24,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 280 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:32:24,009 INFO L231 Difference]: Finished difference. Result has 126 places, 119 transitions, 259 flow [2024-11-28 04:32:24,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=126, PETRI_TRANSITIONS=119} [2024-11-28 04:32:24,011 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -7 predicate places. [2024-11-28 04:32:24,012 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 119 transitions, 259 flow [2024-11-28 04:32:24,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,013 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:24,013 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:24,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:32:24,014 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:24,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1458058907, now seen corresponding path program 1 times [2024-11-28 04:32:24,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875535889] [2024-11-28 04:32:24,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:24,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875535889] [2024-11-28 04:32:24,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875535889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:24,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364853257] [2024-11-28 04:32:24,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:24,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:24,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:24,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 147 [2024-11-28 04:32:24,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 119 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:24,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 147 [2024-11-28 04:32:24,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:24,190 INFO L124 PetriNetUnfolderBase]: 18/284 cut-off events. [2024-11-28 04:32:24,190 INFO L125 PetriNetUnfolderBase]: For 23/25 co-relation queries the response was YES. [2024-11-28 04:32:24,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 284 events. 18/284 cut-off events. For 23/25 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1153 event pairs, 10 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 247. Up to 34 conditions per place. [2024-11-28 04:32:24,192 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 9 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-28 04:32:24,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 282 flow [2024-11-28 04:32:24,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-28 04:32:24,194 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-28 04:32:24,194 INFO L175 Difference]: Start difference. First operand has 126 places, 119 transitions, 259 flow. Second operand 3 states and 414 transitions. [2024-11-28 04:32:24,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 282 flow [2024-11-28 04:32:24,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 119 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:24,197 INFO L231 Difference]: Finished difference. Result has 125 places, 118 transitions, 257 flow [2024-11-28 04:32:24,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=125, PETRI_TRANSITIONS=118} [2024-11-28 04:32:24,198 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2024-11-28 04:32:24,199 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 118 transitions, 257 flow [2024-11-28 04:32:24,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,199 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:24,199 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:24,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:32:24,200 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:24,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1313807461, now seen corresponding path program 1 times [2024-11-28 04:32:24,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362727805] [2024-11-28 04:32:24,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:24,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362727805] [2024-11-28 04:32:24,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362727805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:24,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445455318] [2024-11-28 04:32:24,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:24,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:24,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:24,294 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-28 04:32:24,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 118 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:24,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-28 04:32:24,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:24,368 INFO L124 PetriNetUnfolderBase]: 12/326 cut-off events. [2024-11-28 04:32:24,369 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2024-11-28 04:32:24,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 326 events. 12/326 cut-off events. For 6/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1335 event pairs, 4 based on Foata normal form. 4/300 useless extension candidates. Maximal degree in co-relation 304. Up to 25 conditions per place. [2024-11-28 04:32:24,371 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2024-11-28 04:32:24,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 278 flow [2024-11-28 04:32:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-28 04:32:24,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-28 04:32:24,374 INFO L175 Difference]: Start difference. First operand has 125 places, 118 transitions, 257 flow. Second operand 3 states and 416 transitions. [2024-11-28 04:32:24,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 278 flow [2024-11-28 04:32:24,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 118 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:24,378 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 255 flow [2024-11-28 04:32:24,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2024-11-28 04:32:24,379 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -9 predicate places. [2024-11-28 04:32:24,379 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 255 flow [2024-11-28 04:32:24,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:24,380 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] [2024-11-28 04:32:24,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:32:24,382 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:24,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1163742355, now seen corresponding path program 1 times [2024-11-28 04:32:24,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416778563] [2024-11-28 04:32:24,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:24,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416778563] [2024-11-28 04:32:24,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416778563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:24,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936300691] [2024-11-28 04:32:24,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:24,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:24,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:24,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 147 [2024-11-28 04:32:24,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:24,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 147 [2024-11-28 04:32:24,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:24,530 INFO L124 PetriNetUnfolderBase]: 16/272 cut-off events. [2024-11-28 04:32:24,530 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-28 04:32:24,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 272 events. 16/272 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1072 event pairs, 8 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 194. Up to 24 conditions per place. [2024-11-28 04:32:24,532 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 8 selfloop transitions, 1 changer transitions 0/117 dead transitions. [2024-11-28 04:32:24,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 117 transitions, 274 flow [2024-11-28 04:32:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-28 04:32:24,534 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478458049886621 [2024-11-28 04:32:24,534 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 255 flow. Second operand 3 states and 418 transitions. [2024-11-28 04:32:24,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 117 transitions, 274 flow [2024-11-28 04:32:24,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 117 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:24,539 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 251 flow [2024-11-28 04:32:24,539 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=123, PETRI_TRANSITIONS=116} [2024-11-28 04:32:24,540 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2024-11-28 04:32:24,540 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 251 flow [2024-11-28 04:32:24,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:24,541 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:24,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:32:24,542 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:24,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1795930344, now seen corresponding path program 1 times [2024-11-28 04:32:24,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839183613] [2024-11-28 04:32:24,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:24,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839183613] [2024-11-28 04:32:24,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839183613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:24,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724585168] [2024-11-28 04:32:24,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:24,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:24,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:24,659 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 147 [2024-11-28 04:32:24,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:24,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 147 [2024-11-28 04:32:24,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:24,724 INFO L124 PetriNetUnfolderBase]: 20/234 cut-off events. [2024-11-28 04:32:24,724 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2024-11-28 04:32:24,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 234 events. 20/234 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 815 event pairs, 8 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 178. Up to 41 conditions per place. [2024-11-28 04:32:24,726 INFO L140 encePairwiseOnDemand]: 144/147 looper letters, 8 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-11-28 04:32:24,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 116 transitions, 272 flow [2024-11-28 04:32:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2024-11-28 04:32:24,728 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9433106575963719 [2024-11-28 04:32:24,728 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 251 flow. Second operand 3 states and 416 transitions. [2024-11-28 04:32:24,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 116 transitions, 272 flow [2024-11-28 04:32:24,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 116 transitions, 271 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:24,731 INFO L231 Difference]: Finished difference. Result has 123 places, 115 transitions, 252 flow [2024-11-28 04:32:24,731 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2024-11-28 04:32:24,732 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2024-11-28 04:32:24,732 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 252 flow [2024-11-28 04:32:24,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,733 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:24,733 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:24,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:32:24,734 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1475737072, now seen corresponding path program 1 times [2024-11-28 04:32:24,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737429375] [2024-11-28 04:32:24,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:24,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737429375] [2024-11-28 04:32:24,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737429375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:24,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104492888] [2024-11-28 04:32:24,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:24,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:24,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:24,900 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-28 04:32:24,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:24,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-28 04:32:24,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:24,968 INFO L124 PetriNetUnfolderBase]: 6/290 cut-off events. [2024-11-28 04:32:24,968 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-28 04:32:24,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 290 events. 6/290 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1071 event pairs, 2 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 266. Up to 16 conditions per place. [2024-11-28 04:32:24,970 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 6 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2024-11-28 04:32:24,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 114 transitions, 264 flow [2024-11-28 04:32:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2024-11-28 04:32:24,973 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9501133786848073 [2024-11-28 04:32:24,973 INFO L175 Difference]: Start difference. First operand has 123 places, 115 transitions, 252 flow. Second operand 3 states and 419 transitions. [2024-11-28 04:32:24,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 114 transitions, 264 flow [2024-11-28 04:32:24,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 114 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:24,977 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 248 flow [2024-11-28 04:32:24,977 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-11-28 04:32:24,978 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -11 predicate places. [2024-11-28 04:32:24,978 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 248 flow [2024-11-28 04:32:24,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,979 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:24,979 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] [2024-11-28 04:32:24,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:32:24,979 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-28 04:32:24,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,980 INFO L85 PathProgramCache]: Analyzing trace with hash -864598165, now seen corresponding path program 1 times [2024-11-28 04:32:24,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398995475] [2024-11-28 04:32:24,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:25,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:25,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:25,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398995475] [2024-11-28 04:32:25,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398995475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:25,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:25,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:25,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088699579] [2024-11-28 04:32:25,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:25,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:25,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:25,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:25,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:25,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 147 [2024-11-28 04:32:25,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:25,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:25,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 147 [2024-11-28 04:32:25,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:25,127 INFO L124 PetriNetUnfolderBase]: 8/198 cut-off events. [2024-11-28 04:32:25,127 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-28 04:32:25,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 198 events. 8/198 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 560 event pairs, 4 based on Foata normal form. 4/192 useless extension candidates. Maximal degree in co-relation 232. Up to 23 conditions per place. [2024-11-28 04:32:25,128 INFO L140 encePairwiseOnDemand]: 145/147 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2024-11-28 04:32:25,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 113 transitions, 258 flow [2024-11-28 04:32:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-28 04:32:25,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478458049886621 [2024-11-28 04:32:25,131 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 248 flow. Second operand 3 states and 418 transitions. [2024-11-28 04:32:25,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 113 transitions, 258 flow [2024-11-28 04:32:25,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 113 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:25,135 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-11-28 04:32:25,135 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2024-11-28 04:32:25,136 INFO L279 CegarLoopForPetriNet]: 133 programPoint places, -11 predicate places. [2024-11-28 04:32:25,136 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-11-28 04:32:25,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:25,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2024-11-28 04:32:25,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-28 04:32:25,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-28 04:32:25,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-28 04:32:25,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-28 04:32:25,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-28 04:32:25,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-28 04:32:25,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-28 04:32:25,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-28 04:32:25,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 33 remaining) [2024-11-28 04:32:25,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 33 remaining) [2024-11-28 04:32:25,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-28 04:32:25,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-28 04:32:25,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-28 04:32:25,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-28 04:32:25,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-28 04:32:25,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-28 04:32:25,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-28 04:32:25,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-28 04:32:25,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-11-28 04:32:25,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-28 04:32:25,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-28 04:32:25,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-28 04:32:25,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-28 04:32:25,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-28 04:32:25,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:32:25,147 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:25,155 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:32:25,156 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:32:25,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:32:25 BasicIcfg [2024-11-28 04:32:25,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:32:25,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:32:25,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:32:25,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:32:25,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:21" (3/4) ... [2024-11-28 04:32:25,169 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:32:25,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:32:25,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:32:25,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 04:32:25,181 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:32:25,181 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:32:25,181 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:32:25,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:32:25,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:32:25,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:32:25,297 INFO L158 Benchmark]: Toolchain (without parser) took 5281.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 76.2MB in the end (delta: 16.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,298 INFO L158 Benchmark]: CDTParser took 2.68ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:25,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.83ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.46ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:25,301 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 727.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,301 INFO L158 Benchmark]: RCFGBuilder took 602.01ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 65.5MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,303 INFO L158 Benchmark]: TraceAbstraction took 4101.55ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 64.8MB in the beginning and 80.4MB in the end (delta: -15.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-28 04:32:25,304 INFO L158 Benchmark]: Witness Printer took 130.83ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:25,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.68ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.83ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.46ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.4MB in the end (delta: 727.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 602.01ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 65.5MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4101.55ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 64.8MB in the beginning and 80.4MB in the end (delta: -15.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 130.83ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 231 locations, 33 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.9s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 325 IncrementalHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 54 mSDtfsCounter, 325 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 785 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:32:25,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13819413-6530-41ee-bf1d-a71913fb6feb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE