./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd --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 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:28:41,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:28:41,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 16:28:41,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:28:41,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:28:41,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:28:41,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:28:41,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:28:41,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:28:41,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:28:41,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:28:41,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:28:41,668 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:28:41,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:28:41,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:28:41,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 16:28:41,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:28:41,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:28:41,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:28:41,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:28:41,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:28:41,672 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_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd 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 -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2024-11-13 16:28:41,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:28:41,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:28:41,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:28:41,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:28:41,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:28:41,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i Unable to find full path for "g++" [2024-11-13 16:28:43,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:28:44,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:28:44,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2024-11-13 16:28:44,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/data/d24232305/51aed978ebee43a2915a9f06f25c591e/FLAG71e0d31c8 [2024-11-13 16:28:44,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/data/d24232305/51aed978ebee43a2915a9f06f25c591e [2024-11-13 16:28:44,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:28:44,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:28:44,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:28:44,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:28:44,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:28:44,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:28:44" (1/1) ... [2024-11-13 16:28:44,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211cf4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:44, skipping insertion in model container [2024-11-13 16:28:44,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:28:44" (1/1) ... [2024-11-13 16:28:44,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:28:45,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:28:45,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:28:45,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:28:45,248 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:28:45,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45 WrapperNode [2024-11-13 16:28:45,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:28:45,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:28:45,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:28:45,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:28:45,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,337 INFO L138 Inliner]: procedures = 369, calls = 49, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 183 [2024-11-13 16:28:45,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:28:45,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:28:45,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:28:45,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:28:45,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:28:45,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:28:45,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:28:45,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:28:45,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (1/1) ... [2024-11-13 16:28:45,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:28:45,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:28:45,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:28:45,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:28:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:28:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:28:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 16:28:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 16:28:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:28:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:28:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:28:45,513 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:28:45,758 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:28:45,760 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:28:46,515 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:28:46,516 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:28:46,560 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:28:46,563 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:28:46,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:28:46 BoogieIcfgContainer [2024-11-13 16:28:46,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:28:46,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:28:46,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:28:46,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:28:46,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:28:44" (1/3) ... [2024-11-13 16:28:46,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f429ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:28:46, skipping insertion in model container [2024-11-13 16:28:46,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:28:45" (2/3) ... [2024-11-13 16:28:46,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f429ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:28:46, skipping insertion in model container [2024-11-13 16:28:46,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:28:46" (3/3) ... [2024-11-13 16:28:46,576 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2024-11-13 16:28:46,594 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:28:46,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_03-list2_rc.i that has 2 procedures, 283 locations, 1 initial locations, 0 loop locations, and 28 error locations. [2024-11-13 16:28:46,596 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:28:46,712 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 16:28:46,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 282 transitions, 568 flow [2024-11-13 16:28:46,918 INFO L124 PetriNetUnfolderBase]: 0/281 cut-off events. [2024-11-13 16:28:46,925 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:46,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 281 events. 0/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 160 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-13 16:28:46,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 282 transitions, 568 flow [2024-11-13 16:28:46,942 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 285 places, 281 transitions, 565 flow [2024-11-13 16:28:46,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:28:46,971 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;@55be8e0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:28:46,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-13 16:28:47,020 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:28:47,021 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2024-11-13 16:28:47,021 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:47,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:47,024 INFO L204 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] [2024-11-13 16:28:47,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:47,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:47,030 INFO L85 PathProgramCache]: Analyzing trace with hash -847402085, now seen corresponding path program 1 times [2024-11-13 16:28:47,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:47,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807629714] [2024-11-13 16:28:47,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:47,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:48,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:48,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807629714] [2024-11-13 16:28:48,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807629714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:48,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:48,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:48,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35760459] [2024-11-13 16:28:48,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:48,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:48,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:48,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:48,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:49,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 282 [2024-11-13 16:28:49,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 281 transitions, 565 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-13 16:28:49,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:49,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 282 [2024-11-13 16:28:49,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:49,874 INFO L124 PetriNetUnfolderBase]: 560/2334 cut-off events. [2024-11-13 16:28:49,875 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 16:28:49,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3546 conditions, 2334 events. 560/2334 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14929 event pairs, 560 based on Foata normal form. 0/2125 useless extension candidates. Maximal degree in co-relation 3353. Up to 1193 conditions per place. [2024-11-13 16:28:49,903 INFO L140 encePairwiseOnDemand]: 264/282 looper letters, 72 selfloop transitions, 15 changer transitions 0/278 dead transitions. [2024-11-13 16:28:49,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 278 transitions, 733 flow [2024-11-13 16:28:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:28:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1242 transitions. [2024-11-13 16:28:49,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7340425531914894 [2024-11-13 16:28:49,941 INFO L175 Difference]: Start difference. First operand has 285 places, 281 transitions, 565 flow. Second operand 6 states and 1242 transitions. [2024-11-13 16:28:49,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 278 transitions, 733 flow [2024-11-13 16:28:49,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 278 transitions, 732 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:28:49,963 INFO L231 Difference]: Finished difference. Result has 286 places, 278 transitions, 588 flow [2024-11-13 16:28:49,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=588, PETRI_PLACES=286, PETRI_TRANSITIONS=278} [2024-11-13 16:28:49,974 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 1 predicate places. [2024-11-13 16:28:49,974 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 278 transitions, 588 flow [2024-11-13 16:28:49,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-13 16:28:49,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:49,977 INFO L204 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] [2024-11-13 16:28:49,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:28:49,978 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:49,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash -29835291, now seen corresponding path program 1 times [2024-11-13 16:28:49,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:49,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807316022] [2024-11-13 16:28:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:49,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:50,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:50,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807316022] [2024-11-13 16:28:50,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807316022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677587654] [2024-11-13 16:28:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:50,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:50,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:50,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:50,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:51,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 282 [2024-11-13 16:28:51,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 278 transitions, 588 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-13 16:28:51,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:51,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 282 [2024-11-13 16:28:51,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:52,048 INFO L124 PetriNetUnfolderBase]: 560/2331 cut-off events. [2024-11-13 16:28:52,049 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:52,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3558 conditions, 2331 events. 560/2331 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14908 event pairs, 560 based on Foata normal form. 0/2125 useless extension candidates. Maximal degree in co-relation 3394. Up to 1193 conditions per place. [2024-11-13 16:28:52,066 INFO L140 encePairwiseOnDemand]: 264/282 looper letters, 72 selfloop transitions, 15 changer transitions 0/275 dead transitions. [2024-11-13 16:28:52,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 275 transitions, 756 flow [2024-11-13 16:28:52,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:28:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1242 transitions. [2024-11-13 16:28:52,073 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7340425531914894 [2024-11-13 16:28:52,076 INFO L175 Difference]: Start difference. First operand has 286 places, 278 transitions, 588 flow. Second operand 6 states and 1242 transitions. [2024-11-13 16:28:52,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 275 transitions, 756 flow [2024-11-13 16:28:52,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 275 transitions, 726 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:28:52,088 INFO L231 Difference]: Finished difference. Result has 283 places, 275 transitions, 582 flow [2024-11-13 16:28:52,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=582, PETRI_PLACES=283, PETRI_TRANSITIONS=275} [2024-11-13 16:28:52,092 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -2 predicate places. [2024-11-13 16:28:52,092 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 275 transitions, 582 flow [2024-11-13 16:28:52,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-11-13 16:28:52,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:52,094 INFO L204 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] [2024-11-13 16:28:52,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:28:52,095 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:52,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:52,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1277943567, now seen corresponding path program 1 times [2024-11-13 16:28:52,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:52,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9125519] [2024-11-13 16:28:52,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:52,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:52,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:52,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9125519] [2024-11-13 16:28:52,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9125519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:52,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:52,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:28:52,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558781499] [2024-11-13 16:28:52,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:52,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:28:52,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:52,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:28:52,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:28:52,226 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 282 [2024-11-13 16:28:52,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 275 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2024-11-13 16:28:52,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:52,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 282 [2024-11-13 16:28:52,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:52,461 INFO L124 PetriNetUnfolderBase]: 30/724 cut-off events. [2024-11-13 16:28:52,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:52,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 724 events. 30/724 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2625 event pairs, 30 based on Foata normal form. 0/650 useless extension candidates. Maximal degree in co-relation 671. Up to 78 conditions per place. [2024-11-13 16:28:52,466 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 17 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-13 16:28:52,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 274 transitions, 618 flow [2024-11-13 16:28:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:28:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:28:52,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 806 transitions. [2024-11-13 16:28:52,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9527186761229315 [2024-11-13 16:28:52,470 INFO L175 Difference]: Start difference. First operand has 283 places, 275 transitions, 582 flow. Second operand 3 states and 806 transitions. [2024-11-13 16:28:52,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 274 transitions, 618 flow [2024-11-13 16:28:52,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 274 transitions, 588 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:28:52,479 INFO L231 Difference]: Finished difference. Result has 279 places, 274 transitions, 554 flow [2024-11-13 16:28:52,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=554, PETRI_PLACES=279, PETRI_TRANSITIONS=274} [2024-11-13 16:28:52,480 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -6 predicate places. [2024-11-13 16:28:52,481 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 274 transitions, 554 flow [2024-11-13 16:28:52,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2024-11-13 16:28:52,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:52,482 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:52,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:28:52,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:52,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:52,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2064457072, now seen corresponding path program 1 times [2024-11-13 16:28:52,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:52,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934006498] [2024-11-13 16:28:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:52,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:52,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:52,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934006498] [2024-11-13 16:28:52,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934006498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:52,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:52,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:28:52,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154339468] [2024-11-13 16:28:52,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:52,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:28:52,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:52,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:28:52,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:28:52,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 282 [2024-11-13 16:28:52,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 274 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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) [2024-11-13 16:28:52,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:52,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 282 [2024-11-13 16:28:52,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:52,812 INFO L124 PetriNetUnfolderBase]: 36/756 cut-off events. [2024-11-13 16:28:52,812 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 16:28:52,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 756 events. 36/756 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2991 event pairs, 36 based on Foata normal form. 0/688 useless extension candidates. Maximal degree in co-relation 788. Up to 89 conditions per place. [2024-11-13 16:28:52,818 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 17 selfloop transitions, 1 changer transitions 0/270 dead transitions. [2024-11-13 16:28:52,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 270 transitions, 582 flow [2024-11-13 16:28:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:28:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:28:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2024-11-13 16:28:52,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9479905437352246 [2024-11-13 16:28:52,822 INFO L175 Difference]: Start difference. First operand has 279 places, 274 transitions, 554 flow. Second operand 3 states and 802 transitions. [2024-11-13 16:28:52,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 270 transitions, 582 flow [2024-11-13 16:28:52,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 270 transitions, 578 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:28:52,829 INFO L231 Difference]: Finished difference. Result has 275 places, 270 transitions, 544 flow [2024-11-13 16:28:52,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=275, PETRI_TRANSITIONS=270} [2024-11-13 16:28:52,831 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -10 predicate places. [2024-11-13 16:28:52,831 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 270 transitions, 544 flow [2024-11-13 16:28:52,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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) [2024-11-13 16:28:52,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:52,833 INFO L204 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] [2024-11-13 16:28:52,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:28:52,833 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:52,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:52,834 INFO L85 PathProgramCache]: Analyzing trace with hash 564081698, now seen corresponding path program 1 times [2024-11-13 16:28:52,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:52,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209946981] [2024-11-13 16:28:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:53,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:53,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209946981] [2024-11-13 16:28:53,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209946981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:53,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:53,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:53,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214798602] [2024-11-13 16:28:53,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:53,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:53,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:53,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:53,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:54,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 282 [2024-11-13 16:28:54,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 270 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 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) [2024-11-13 16:28:54,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:54,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 282 [2024-11-13 16:28:54,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:55,069 INFO L124 PetriNetUnfolderBase]: 638/2525 cut-off events. [2024-11-13 16:28:55,069 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:55,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3897 conditions, 2525 events. 638/2525 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 16211 event pairs, 638 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 3822. Up to 1362 conditions per place. [2024-11-13 16:28:55,085 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 85 selfloop transitions, 5 changer transitions 0/269 dead transitions. [2024-11-13 16:28:55,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 269 transitions, 722 flow [2024-11-13 16:28:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:28:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1237 transitions. [2024-11-13 16:28:55,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7310874704491725 [2024-11-13 16:28:55,093 INFO L175 Difference]: Start difference. First operand has 275 places, 270 transitions, 544 flow. Second operand 6 states and 1237 transitions. [2024-11-13 16:28:55,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 269 transitions, 722 flow [2024-11-13 16:28:55,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 269 transitions, 721 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:28:55,099 INFO L231 Difference]: Finished difference. Result has 278 places, 269 transitions, 551 flow [2024-11-13 16:28:55,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=551, PETRI_PLACES=278, PETRI_TRANSITIONS=269} [2024-11-13 16:28:55,103 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -7 predicate places. [2024-11-13 16:28:55,104 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 269 transitions, 551 flow [2024-11-13 16:28:55,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 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) [2024-11-13 16:28:55,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:55,106 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:55,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:28:55,106 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:55,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:55,108 INFO L85 PathProgramCache]: Analyzing trace with hash -400271872, now seen corresponding path program 1 times [2024-11-13 16:28:55,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:55,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908541183] [2024-11-13 16:28:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:55,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:55,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:55,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908541183] [2024-11-13 16:28:55,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908541183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:55,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:55,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:28:55,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528520513] [2024-11-13 16:28:55,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:55,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:28:55,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:55,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:28:55,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:28:55,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 282 [2024-11-13 16:28:55,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 269 transitions, 551 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2024-11-13 16:28:55,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:55,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 282 [2024-11-13 16:28:55,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:55,409 INFO L124 PetriNetUnfolderBase]: 30/712 cut-off events. [2024-11-13 16:28:55,410 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:55,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 712 events. 30/712 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2679 event pairs, 30 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 737. Up to 78 conditions per place. [2024-11-13 16:28:55,413 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 17 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2024-11-13 16:28:55,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 268 transitions, 587 flow [2024-11-13 16:28:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:28:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:28:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 806 transitions. [2024-11-13 16:28:55,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9527186761229315 [2024-11-13 16:28:55,416 INFO L175 Difference]: Start difference. First operand has 278 places, 269 transitions, 551 flow. Second operand 3 states and 806 transitions. [2024-11-13 16:28:55,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 268 transitions, 587 flow [2024-11-13 16:28:55,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 268 transitions, 577 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:28:55,420 INFO L231 Difference]: Finished difference. Result has 274 places, 268 transitions, 543 flow [2024-11-13 16:28:55,421 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=543, PETRI_PLACES=274, PETRI_TRANSITIONS=268} [2024-11-13 16:28:55,421 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -11 predicate places. [2024-11-13 16:28:55,422 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 268 transitions, 543 flow [2024-11-13 16:28:55,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2024-11-13 16:28:55,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:55,423 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:55,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:28:55,423 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:55,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:55,423 INFO L85 PathProgramCache]: Analyzing trace with hash -218792511, now seen corresponding path program 1 times [2024-11-13 16:28:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:55,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998017556] [2024-11-13 16:28:55,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:55,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:55,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:55,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998017556] [2024-11-13 16:28:55,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998017556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:55,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:55,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:28:55,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638920778] [2024-11-13 16:28:55,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:55,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:28:55,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:55,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:28:55,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:28:55,546 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 282 [2024-11-13 16:28:55,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 268 transitions, 543 flow. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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) [2024-11-13 16:28:55,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:55,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 282 [2024-11-13 16:28:55,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:55,660 INFO L124 PetriNetUnfolderBase]: 36/740 cut-off events. [2024-11-13 16:28:55,661 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 16:28:55,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 740 events. 36/740 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2884 event pairs, 36 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 774. Up to 89 conditions per place. [2024-11-13 16:28:55,665 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 17 selfloop transitions, 1 changer transitions 0/264 dead transitions. [2024-11-13 16:28:55,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 264 transitions, 571 flow [2024-11-13 16:28:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:28:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:28:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2024-11-13 16:28:55,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9479905437352246 [2024-11-13 16:28:55,668 INFO L175 Difference]: Start difference. First operand has 274 places, 268 transitions, 543 flow. Second operand 3 states and 802 transitions. [2024-11-13 16:28:55,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 264 transitions, 571 flow [2024-11-13 16:28:55,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 264 transitions, 567 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:28:55,672 INFO L231 Difference]: Finished difference. Result has 270 places, 264 transitions, 533 flow [2024-11-13 16:28:55,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=270, PETRI_TRANSITIONS=264} [2024-11-13 16:28:55,674 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -15 predicate places. [2024-11-13 16:28:55,674 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 264 transitions, 533 flow [2024-11-13 16:28:55,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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) [2024-11-13 16:28:55,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:55,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:55,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:28:55,675 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:55,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:55,676 INFO L85 PathProgramCache]: Analyzing trace with hash 186713514, now seen corresponding path program 1 times [2024-11-13 16:28:55,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:55,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573262786] [2024-11-13 16:28:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:55,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:56,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:56,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573262786] [2024-11-13 16:28:56,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573262786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:56,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:56,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:56,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629733717] [2024-11-13 16:28:56,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:56,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:56,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:56,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:56,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:57,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 282 [2024-11-13 16:28:57,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 264 transitions, 533 flow. Second operand has 6 states, 6 states have (on average 197.16666666666666) internal successors, (1183), 6 states have internal predecessors, (1183), 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) [2024-11-13 16:28:57,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:57,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 282 [2024-11-13 16:28:57,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:28:58,048 INFO L124 PetriNetUnfolderBase]: 638/2438 cut-off events. [2024-11-13 16:28:58,049 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:28:58,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3811 conditions, 2438 events. 638/2438 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 15454 event pairs, 638 based on Foata normal form. 0/2293 useless extension candidates. Maximal degree in co-relation 3737. Up to 1362 conditions per place. [2024-11-13 16:28:58,064 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 85 selfloop transitions, 5 changer transitions 0/263 dead transitions. [2024-11-13 16:28:58,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 263 transitions, 711 flow [2024-11-13 16:28:58,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:28:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1237 transitions. [2024-11-13 16:28:58,069 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7310874704491725 [2024-11-13 16:28:58,069 INFO L175 Difference]: Start difference. First operand has 270 places, 264 transitions, 533 flow. Second operand 6 states and 1237 transitions. [2024-11-13 16:28:58,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 263 transitions, 711 flow [2024-11-13 16:28:58,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 263 transitions, 710 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:28:58,075 INFO L231 Difference]: Finished difference. Result has 273 places, 263 transitions, 540 flow [2024-11-13 16:28:58,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=540, PETRI_PLACES=273, PETRI_TRANSITIONS=263} [2024-11-13 16:28:58,076 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -12 predicate places. [2024-11-13 16:28:58,077 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 263 transitions, 540 flow [2024-11-13 16:28:58,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.16666666666666) internal successors, (1183), 6 states have internal predecessors, (1183), 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) [2024-11-13 16:28:58,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:28:58,078 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:58,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:28:58,078 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:28:58,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash 483528374, now seen corresponding path program 1 times [2024-11-13 16:28:58,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:58,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054851891] [2024-11-13 16:28:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:59,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:59,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054851891] [2024-11-13 16:28:59,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054851891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:59,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:59,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:59,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42858436] [2024-11-13 16:28:59,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:59,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:59,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:59,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:59,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 282 [2024-11-13 16:28:59,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 263 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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) [2024-11-13 16:28:59,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:28:59,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 282 [2024-11-13 16:28:59,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:00,518 INFO L124 PetriNetUnfolderBase]: 232/1793 cut-off events. [2024-11-13 16:29:00,519 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 16:29:00,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2351 conditions, 1793 events. 232/1793 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11403 event pairs, 20 based on Foata normal form. 0/1670 useless extension candidates. Maximal degree in co-relation 2277. Up to 305 conditions per place. [2024-11-13 16:29:00,530 INFO L140 encePairwiseOnDemand]: 263/282 looper letters, 100 selfloop transitions, 38 changer transitions 0/337 dead transitions. [2024-11-13 16:29:00,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 337 transitions, 964 flow [2024-11-13 16:29:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1448 transitions. [2024-11-13 16:29:00,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8557919621749409 [2024-11-13 16:29:00,536 INFO L175 Difference]: Start difference. First operand has 273 places, 263 transitions, 540 flow. Second operand 6 states and 1448 transitions. [2024-11-13 16:29:00,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 337 transitions, 964 flow [2024-11-13 16:29:00,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 337 transitions, 954 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:29:00,548 INFO L231 Difference]: Finished difference. Result has 277 places, 299 transitions, 788 flow [2024-11-13 16:29:00,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=277, PETRI_TRANSITIONS=299} [2024-11-13 16:29:00,552 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -8 predicate places. [2024-11-13 16:29:00,552 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 299 transitions, 788 flow [2024-11-13 16:29:00,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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) [2024-11-13 16:29:00,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:00,553 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:00,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:29:00,553 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:00,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:00,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1448639226, now seen corresponding path program 1 times [2024-11-13 16:29:00,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:00,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242510186] [2024-11-13 16:29:00,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:01,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:01,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242510186] [2024-11-13 16:29:01,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242510186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:01,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:29:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742403836] [2024-11-13 16:29:01,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:01,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:01,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:01,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:01,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:02,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 282 [2024-11-13 16:29:02,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 299 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 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) [2024-11-13 16:29:02,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:02,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 282 [2024-11-13 16:29:02,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:03,002 INFO L124 PetriNetUnfolderBase]: 185/1597 cut-off events. [2024-11-13 16:29:03,003 INFO L125 PetriNetUnfolderBase]: For 207/212 co-relation queries the response was YES. [2024-11-13 16:29:03,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 1597 events. 185/1597 cut-off events. For 207/212 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9912 event pairs, 75 based on Foata normal form. 0/1479 useless extension candidates. Maximal degree in co-relation 2293. Up to 354 conditions per place. [2024-11-13 16:29:03,015 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 96 selfloop transitions, 5 changer transitions 0/314 dead transitions. [2024-11-13 16:29:03,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 314 transitions, 1020 flow [2024-11-13 16:29:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1418 transitions. [2024-11-13 16:29:03,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8380614657210402 [2024-11-13 16:29:03,021 INFO L175 Difference]: Start difference. First operand has 277 places, 299 transitions, 788 flow. Second operand 6 states and 1418 transitions. [2024-11-13 16:29:03,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 314 transitions, 1020 flow [2024-11-13 16:29:03,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 314 transitions, 1020 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:29:03,034 INFO L231 Difference]: Finished difference. Result has 281 places, 298 transitions, 796 flow [2024-11-13 16:29:03,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=796, PETRI_PLACES=281, PETRI_TRANSITIONS=298} [2024-11-13 16:29:03,036 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, -4 predicate places. [2024-11-13 16:29:03,038 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 298 transitions, 796 flow [2024-11-13 16:29:03,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 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) [2024-11-13 16:29:03,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:03,039 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:03,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:29:03,040 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:03,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1664713832, now seen corresponding path program 1 times [2024-11-13 16:29:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:03,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414687500] [2024-11-13 16:29:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:03,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:03,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414687500] [2024-11-13 16:29:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414687500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:29:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867170655] [2024-11-13 16:29:03,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:03,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:03,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:03,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:03,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:04,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 282 [2024-11-13 16:29:04,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 298 transitions, 796 flow. Second operand has 6 states, 6 states have (on average 223.0) internal successors, (1338), 6 states have internal predecessors, (1338), 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) [2024-11-13 16:29:04,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:04,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 282 [2024-11-13 16:29:04,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:05,673 INFO L124 PetriNetUnfolderBase]: 583/2954 cut-off events. [2024-11-13 16:29:05,673 INFO L125 PetriNetUnfolderBase]: For 709/716 co-relation queries the response was YES. [2024-11-13 16:29:05,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5032 conditions, 2954 events. 583/2954 cut-off events. For 709/716 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 21825 event pairs, 69 based on Foata normal form. 0/2768 useless extension candidates. Maximal degree in co-relation 4953. Up to 795 conditions per place. [2024-11-13 16:29:05,696 INFO L140 encePairwiseOnDemand]: 260/282 looper letters, 111 selfloop transitions, 72 changer transitions 0/387 dead transitions. [2024-11-13 16:29:05,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 387 transitions, 1532 flow [2024-11-13 16:29:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1425 transitions. [2024-11-13 16:29:05,701 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421985815602837 [2024-11-13 16:29:05,701 INFO L175 Difference]: Start difference. First operand has 281 places, 298 transitions, 796 flow. Second operand 6 states and 1425 transitions. [2024-11-13 16:29:05,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 387 transitions, 1532 flow [2024-11-13 16:29:05,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 387 transitions, 1514 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:29:05,717 INFO L231 Difference]: Finished difference. Result has 286 places, 368 transitions, 1452 flow [2024-11-13 16:29:05,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1452, PETRI_PLACES=286, PETRI_TRANSITIONS=368} [2024-11-13 16:29:05,719 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 1 predicate places. [2024-11-13 16:29:05,719 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 368 transitions, 1452 flow [2024-11-13 16:29:05,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.0) internal successors, (1338), 6 states have internal predecessors, (1338), 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) [2024-11-13 16:29:05,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:05,721 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:05,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:29:05,722 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:05,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:05,722 INFO L85 PathProgramCache]: Analyzing trace with hash 209292671, now seen corresponding path program 1 times [2024-11-13 16:29:05,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:05,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772871709] [2024-11-13 16:29:05,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:05,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:06,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:06,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772871709] [2024-11-13 16:29:06,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772871709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:06,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:06,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:29:06,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201886640] [2024-11-13 16:29:06,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:06,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:06,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:06,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:06,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:07,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 282 [2024-11-13 16:29:07,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 368 transitions, 1452 flow. Second operand has 6 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 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) [2024-11-13 16:29:07,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:07,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 282 [2024-11-13 16:29:07,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:08,831 INFO L124 PetriNetUnfolderBase]: 1657/5701 cut-off events. [2024-11-13 16:29:08,831 INFO L125 PetriNetUnfolderBase]: For 3340/3400 co-relation queries the response was YES. [2024-11-13 16:29:08,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12790 conditions, 5701 events. 1657/5701 cut-off events. For 3340/3400 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 45875 event pairs, 861 based on Foata normal form. 0/5373 useless extension candidates. Maximal degree in co-relation 12709. Up to 3147 conditions per place. [2024-11-13 16:29:08,883 INFO L140 encePairwiseOnDemand]: 259/282 looper letters, 201 selfloop transitions, 89 changer transitions 0/468 dead transitions. [2024-11-13 16:29:08,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 468 transitions, 2436 flow [2024-11-13 16:29:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1338 transitions. [2024-11-13 16:29:08,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7907801418439716 [2024-11-13 16:29:08,892 INFO L175 Difference]: Start difference. First operand has 286 places, 368 transitions, 1452 flow. Second operand 6 states and 1338 transitions. [2024-11-13 16:29:08,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 468 transitions, 2436 flow [2024-11-13 16:29:08,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 468 transitions, 2436 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:29:08,924 INFO L231 Difference]: Finished difference. Result has 296 places, 452 transitions, 2254 flow [2024-11-13 16:29:08,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=1452, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2254, PETRI_PLACES=296, PETRI_TRANSITIONS=452} [2024-11-13 16:29:08,930 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 11 predicate places. [2024-11-13 16:29:08,930 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 452 transitions, 2254 flow [2024-11-13 16:29:08,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 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) [2024-11-13 16:29:08,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:08,931 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:08,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:29:08,931 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:08,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash 231480533, now seen corresponding path program 1 times [2024-11-13 16:29:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:08,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91934707] [2024-11-13 16:29:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:08,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:09,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:09,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91934707] [2024-11-13 16:29:09,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91934707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:09,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:09,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:29:09,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323089936] [2024-11-13 16:29:09,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:09,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:29:09,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:09,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:29:09,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:29:09,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 282 [2024-11-13 16:29:09,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 452 transitions, 2254 flow. Second operand has 3 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 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) [2024-11-13 16:29:09,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:09,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 282 [2024-11-13 16:29:09,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:09,833 INFO L124 PetriNetUnfolderBase]: 300/1961 cut-off events. [2024-11-13 16:29:09,834 INFO L125 PetriNetUnfolderBase]: For 1116/1172 co-relation queries the response was YES. [2024-11-13 16:29:09,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4081 conditions, 1961 events. 300/1961 cut-off events. For 1116/1172 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 13412 event pairs, 31 based on Foata normal form. 4/1885 useless extension candidates. Maximal degree in co-relation 4002. Up to 312 conditions per place. [2024-11-13 16:29:09,853 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 10 selfloop transitions, 6 changer transitions 0/392 dead transitions. [2024-11-13 16:29:09,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 392 transitions, 1722 flow [2024-11-13 16:29:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:29:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:29:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 834 transitions. [2024-11-13 16:29:09,856 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9858156028368794 [2024-11-13 16:29:09,856 INFO L175 Difference]: Start difference. First operand has 296 places, 452 transitions, 2254 flow. Second operand 3 states and 834 transitions. [2024-11-13 16:29:09,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 392 transitions, 1722 flow [2024-11-13 16:29:09,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 392 transitions, 1634 flow, removed 44 selfloop flow, removed 0 redundant places. [2024-11-13 16:29:09,880 INFO L231 Difference]: Finished difference. Result has 299 places, 390 transitions, 1624 flow [2024-11-13 16:29:09,881 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=1590, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1624, PETRI_PLACES=299, PETRI_TRANSITIONS=390} [2024-11-13 16:29:09,883 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 14 predicate places. [2024-11-13 16:29:09,883 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 390 transitions, 1624 flow [2024-11-13 16:29:09,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 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) [2024-11-13 16:29:09,884 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:09,885 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:09,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:29:09,885 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:09,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:09,886 INFO L85 PathProgramCache]: Analyzing trace with hash 770202723, now seen corresponding path program 1 times [2024-11-13 16:29:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:09,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372234296] [2024-11-13 16:29:09,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:09,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:10,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:10,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372234296] [2024-11-13 16:29:10,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372234296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:10,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:10,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:29:10,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976673837] [2024-11-13 16:29:10,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:10,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:10,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:10,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:10,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:11,653 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 282 [2024-11-13 16:29:11,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 390 transitions, 1624 flow. Second operand has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 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) [2024-11-13 16:29:11,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:11,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 282 [2024-11-13 16:29:11,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:12,659 INFO L124 PetriNetUnfolderBase]: 695/3130 cut-off events. [2024-11-13 16:29:12,659 INFO L125 PetriNetUnfolderBase]: For 2949/3083 co-relation queries the response was YES. [2024-11-13 16:29:12,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7487 conditions, 3130 events. 695/3130 cut-off events. For 2949/3083 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 23978 event pairs, 52 based on Foata normal form. 20/3039 useless extension candidates. Maximal degree in co-relation 7398. Up to 741 conditions per place. [2024-11-13 16:29:12,691 INFO L140 encePairwiseOnDemand]: 263/282 looper letters, 184 selfloop transitions, 124 changer transitions 4/548 dead transitions. [2024-11-13 16:29:12,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 548 transitions, 3215 flow [2024-11-13 16:29:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:12,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1466 transitions. [2024-11-13 16:29:12,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8664302600472813 [2024-11-13 16:29:12,697 INFO L175 Difference]: Start difference. First operand has 299 places, 390 transitions, 1624 flow. Second operand 6 states and 1466 transitions. [2024-11-13 16:29:12,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 548 transitions, 3215 flow [2024-11-13 16:29:12,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 548 transitions, 3192 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:29:12,725 INFO L231 Difference]: Finished difference. Result has 307 places, 492 transitions, 3000 flow [2024-11-13 16:29:12,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=1616, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3000, PETRI_PLACES=307, PETRI_TRANSITIONS=492} [2024-11-13 16:29:12,727 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 22 predicate places. [2024-11-13 16:29:12,727 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 492 transitions, 3000 flow [2024-11-13 16:29:12,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 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) [2024-11-13 16:29:12,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:12,729 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:12,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:29:12,729 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:12,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:12,730 INFO L85 PathProgramCache]: Analyzing trace with hash 918551533, now seen corresponding path program 1 times [2024-11-13 16:29:12,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:12,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938522937] [2024-11-13 16:29:12,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:13,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:13,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938522937] [2024-11-13 16:29:13,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938522937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:13,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:13,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:29:13,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750749348] [2024-11-13 16:29:13,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:13,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:13,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:13,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:13,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:14,479 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 282 [2024-11-13 16:29:14,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 492 transitions, 3000 flow. Second operand has 6 states, 6 states have (on average 231.66666666666666) internal successors, (1390), 6 states have internal predecessors, (1390), 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) [2024-11-13 16:29:14,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:14,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 282 [2024-11-13 16:29:14,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:15,194 INFO L124 PetriNetUnfolderBase]: 605/2896 cut-off events. [2024-11-13 16:29:15,194 INFO L125 PetriNetUnfolderBase]: For 5598/5769 co-relation queries the response was YES. [2024-11-13 16:29:15,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7829 conditions, 2896 events. 605/2896 cut-off events. For 5598/5769 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 21893 event pairs, 92 based on Foata normal form. 18/2858 useless extension candidates. Maximal degree in co-relation 7737. Up to 803 conditions per place. [2024-11-13 16:29:15,210 INFO L140 encePairwiseOnDemand]: 276/282 looper letters, 218 selfloop transitions, 17 changer transitions 0/507 dead transitions. [2024-11-13 16:29:15,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 507 transitions, 3524 flow [2024-11-13 16:29:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1418 transitions. [2024-11-13 16:29:15,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8380614657210402 [2024-11-13 16:29:15,216 INFO L175 Difference]: Start difference. First operand has 307 places, 492 transitions, 3000 flow. Second operand 6 states and 1418 transitions. [2024-11-13 16:29:15,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 507 transitions, 3524 flow [2024-11-13 16:29:15,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 507 transitions, 3506 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-13 16:29:15,249 INFO L231 Difference]: Finished difference. Result has 311 places, 491 transitions, 3014 flow [2024-11-13 16:29:15,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=2980, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3014, PETRI_PLACES=311, PETRI_TRANSITIONS=491} [2024-11-13 16:29:15,250 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 26 predicate places. [2024-11-13 16:29:15,250 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 491 transitions, 3014 flow [2024-11-13 16:29:15,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.66666666666666) internal successors, (1390), 6 states have internal predecessors, (1390), 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) [2024-11-13 16:29:15,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:15,252 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:15,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:29:15,252 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:15,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1731847054, now seen corresponding path program 1 times [2024-11-13 16:29:15,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:15,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173786959] [2024-11-13 16:29:15,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:16,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:16,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173786959] [2024-11-13 16:29:16,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173786959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:16,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:16,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:29:16,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093924267] [2024-11-13 16:29:16,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:16,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:16,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:16,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:16,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:16,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 282 [2024-11-13 16:29:16,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 491 transitions, 3014 flow. Second operand has 6 states, 6 states have (on average 204.66666666666666) internal successors, (1228), 6 states have internal predecessors, (1228), 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) [2024-11-13 16:29:16,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:16,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 282 [2024-11-13 16:29:16,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:18,398 INFO L124 PetriNetUnfolderBase]: 1547/5161 cut-off events. [2024-11-13 16:29:18,398 INFO L125 PetriNetUnfolderBase]: For 7489/7568 co-relation queries the response was YES. [2024-11-13 16:29:18,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15136 conditions, 5161 events. 1547/5161 cut-off events. For 7489/7568 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 41274 event pairs, 582 based on Foata normal form. 1/5008 useless extension candidates. Maximal degree in co-relation 15043. Up to 2881 conditions per place. [2024-11-13 16:29:18,437 INFO L140 encePairwiseOnDemand]: 259/282 looper letters, 304 selfloop transitions, 103 changer transitions 8/597 dead transitions. [2024-11-13 16:29:18,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 597 transitions, 4454 flow [2024-11-13 16:29:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:29:18,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1338 transitions. [2024-11-13 16:29:18,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7907801418439716 [2024-11-13 16:29:18,442 INFO L175 Difference]: Start difference. First operand has 311 places, 491 transitions, 3014 flow. Second operand 6 states and 1338 transitions. [2024-11-13 16:29:18,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 597 transitions, 4454 flow [2024-11-13 16:29:18,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 597 transitions, 4420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:29:18,493 INFO L231 Difference]: Finished difference. Result has 316 places, 577 transitions, 3998 flow [2024-11-13 16:29:18,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=2980, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3998, PETRI_PLACES=316, PETRI_TRANSITIONS=577} [2024-11-13 16:29:18,494 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 31 predicate places. [2024-11-13 16:29:18,495 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 577 transitions, 3998 flow [2024-11-13 16:29:18,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.66666666666666) internal successors, (1228), 6 states have internal predecessors, (1228), 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) [2024-11-13 16:29:18,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:18,496 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:18,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:29:18,496 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:18,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:18,497 INFO L85 PathProgramCache]: Analyzing trace with hash 872921327, now seen corresponding path program 1 times [2024-11-13 16:29:18,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:18,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634579519] [2024-11-13 16:29:18,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:18,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:21,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:21,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634579519] [2024-11-13 16:29:21,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634579519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:21,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:21,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-13 16:29:21,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041286006] [2024-11-13 16:29:21,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:21,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 16:29:21,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:21,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 16:29:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-11-13 16:29:26,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 282 [2024-11-13 16:29:26,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 577 transitions, 3998 flow. Second operand has 20 states, 20 states have (on average 157.15) internal successors, (3143), 20 states have internal predecessors, (3143), 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) [2024-11-13 16:29:26,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:26,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 282 [2024-11-13 16:29:26,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:30,195 INFO L124 PetriNetUnfolderBase]: 1717/5676 cut-off events. [2024-11-13 16:29:30,195 INFO L125 PetriNetUnfolderBase]: For 11256/11322 co-relation queries the response was YES. [2024-11-13 16:29:30,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18575 conditions, 5676 events. 1717/5676 cut-off events. For 11256/11322 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 46394 event pairs, 195 based on Foata normal form. 19/5649 useless extension candidates. Maximal degree in co-relation 18462. Up to 1900 conditions per place. [2024-11-13 16:29:30,231 INFO L140 encePairwiseOnDemand]: 251/282 looper letters, 529 selfloop transitions, 101 changer transitions 23/791 dead transitions. [2024-11-13 16:29:30,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 791 transitions, 6974 flow [2024-11-13 16:29:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 16:29:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-13 16:29:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4532 transitions. [2024-11-13 16:29:30,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5739614994934144 [2024-11-13 16:29:30,246 INFO L175 Difference]: Start difference. First operand has 316 places, 577 transitions, 3998 flow. Second operand 28 states and 4532 transitions. [2024-11-13 16:29:30,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 791 transitions, 6974 flow [2024-11-13 16:29:30,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 791 transitions, 6770 flow, removed 102 selfloop flow, removed 0 redundant places. [2024-11-13 16:29:30,340 INFO L231 Difference]: Finished difference. Result has 353 places, 610 transitions, 4448 flow [2024-11-13 16:29:30,341 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=3850, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4448, PETRI_PLACES=353, PETRI_TRANSITIONS=610} [2024-11-13 16:29:30,342 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 68 predicate places. [2024-11-13 16:29:30,342 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 610 transitions, 4448 flow [2024-11-13 16:29:30,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 157.15) internal successors, (3143), 20 states have internal predecessors, (3143), 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) [2024-11-13 16:29:30,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:30,344 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:30,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:29:30,344 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:30,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash -502590245, now seen corresponding path program 1 times [2024-11-13 16:29:30,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:30,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498621335] [2024-11-13 16:29:30,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:33,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498621335] [2024-11-13 16:29:33,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498621335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:33,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:33,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:29:33,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364325480] [2024-11-13 16:29:33,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:33,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:29:33,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:29:33,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:29:38,290 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:29:38,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 610 transitions, 4448 flow. Second operand has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:29:38,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:38,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:29:38,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:40,632 INFO L124 PetriNetUnfolderBase]: 1406/5303 cut-off events. [2024-11-13 16:29:40,632 INFO L125 PetriNetUnfolderBase]: For 13104/13261 co-relation queries the response was YES. [2024-11-13 16:29:40,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17959 conditions, 5303 events. 1406/5303 cut-off events. For 13104/13261 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 45207 event pairs, 151 based on Foata normal form. 27/5276 useless extension candidates. Maximal degree in co-relation 17829. Up to 1437 conditions per place. [2024-11-13 16:29:40,669 INFO L140 encePairwiseOnDemand]: 249/282 looper letters, 400 selfloop transitions, 123 changer transitions 8/783 dead transitions. [2024-11-13 16:29:40,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 783 transitions, 7015 flow [2024-11-13 16:29:40,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 16:29:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-13 16:29:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 4286 transitions. [2024-11-13 16:29:40,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6608078939253778 [2024-11-13 16:29:40,676 INFO L175 Difference]: Start difference. First operand has 353 places, 610 transitions, 4448 flow. Second operand 23 states and 4286 transitions. [2024-11-13 16:29:40,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 783 transitions, 7015 flow [2024-11-13 16:29:40,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 783 transitions, 6891 flow, removed 51 selfloop flow, removed 10 redundant places. [2024-11-13 16:29:40,783 INFO L231 Difference]: Finished difference. Result has 373 places, 674 transitions, 5610 flow [2024-11-13 16:29:40,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=4366, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5610, PETRI_PLACES=373, PETRI_TRANSITIONS=674} [2024-11-13 16:29:40,784 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 88 predicate places. [2024-11-13 16:29:40,784 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 674 transitions, 5610 flow [2024-11-13 16:29:40,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:29:40,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:40,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:40,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 16:29:40,786 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:40,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1980836043, now seen corresponding path program 2 times [2024-11-13 16:29:40,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:40,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535193304] [2024-11-13 16:29:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:40,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:42,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:42,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535193304] [2024-11-13 16:29:42,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535193304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:42,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:42,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:29:42,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89967132] [2024-11-13 16:29:42,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:42,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:29:42,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:42,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:29:42,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:29:47,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:29:48,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 674 transitions, 5610 flow. Second operand has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:29:48,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:48,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:29:48,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:29:50,575 INFO L124 PetriNetUnfolderBase]: 1466/5456 cut-off events. [2024-11-13 16:29:50,575 INFO L125 PetriNetUnfolderBase]: For 17528/17728 co-relation queries the response was YES. [2024-11-13 16:29:50,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19585 conditions, 5456 events. 1466/5456 cut-off events. For 17528/17728 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 46347 event pairs, 150 based on Foata normal form. 60/5463 useless extension candidates. Maximal degree in co-relation 19445. Up to 1048 conditions per place. [2024-11-13 16:29:50,621 INFO L140 encePairwiseOnDemand]: 253/282 looper letters, 420 selfloop transitions, 151 changer transitions 8/831 dead transitions. [2024-11-13 16:29:50,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 831 transitions, 8099 flow [2024-11-13 16:29:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 16:29:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-13 16:29:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5554 transitions. [2024-11-13 16:29:50,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6565011820330969 [2024-11-13 16:29:50,627 INFO L175 Difference]: Start difference. First operand has 373 places, 674 transitions, 5610 flow. Second operand 30 states and 5554 transitions. [2024-11-13 16:29:50,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 831 transitions, 8099 flow [2024-11-13 16:29:50,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 831 transitions, 8012 flow, removed 23 selfloop flow, removed 11 redundant places. [2024-11-13 16:29:50,720 INFO L231 Difference]: Finished difference. Result has 402 places, 730 transitions, 6637 flow [2024-11-13 16:29:50,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=5560, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=6637, PETRI_PLACES=402, PETRI_TRANSITIONS=730} [2024-11-13 16:29:50,721 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 117 predicate places. [2024-11-13 16:29:50,721 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 730 transitions, 6637 flow [2024-11-13 16:29:50,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:29:50,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:29:50,723 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:50,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:29:50,723 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:29:50,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2044701783, now seen corresponding path program 3 times [2024-11-13 16:29:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616878169] [2024-11-13 16:29:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:52,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:52,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616878169] [2024-11-13 16:29:52,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616878169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:52,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:52,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:29:52,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921577559] [2024-11-13 16:29:52,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:52,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:29:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:52,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:29:52,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:29:58,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:29:58,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 730 transitions, 6637 flow. Second operand has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:29:58,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:29:58,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:29:58,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:00,813 INFO L124 PetriNetUnfolderBase]: 1692/6207 cut-off events. [2024-11-13 16:30:00,814 INFO L125 PetriNetUnfolderBase]: For 26766/27119 co-relation queries the response was YES. [2024-11-13 16:30:00,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23886 conditions, 6207 events. 1692/6207 cut-off events. For 26766/27119 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 55015 event pairs, 178 based on Foata normal form. 97/6237 useless extension candidates. Maximal degree in co-relation 23734. Up to 1514 conditions per place. [2024-11-13 16:30:00,863 INFO L140 encePairwiseOnDemand]: 249/282 looper letters, 483 selfloop transitions, 161 changer transitions 8/904 dead transitions. [2024-11-13 16:30:00,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 904 transitions, 9753 flow [2024-11-13 16:30:00,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 16:30:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-13 16:30:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 4650 transitions. [2024-11-13 16:30:00,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6595744680851063 [2024-11-13 16:30:00,868 INFO L175 Difference]: Start difference. First operand has 402 places, 730 transitions, 6637 flow. Second operand 25 states and 4650 transitions. [2024-11-13 16:30:00,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 904 transitions, 9753 flow [2024-11-13 16:30:00,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 904 transitions, 9667 flow, removed 21 selfloop flow, removed 13 redundant places. [2024-11-13 16:30:00,981 INFO L231 Difference]: Finished difference. Result has 418 places, 791 transitions, 8148 flow [2024-11-13 16:30:00,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=6553, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=8148, PETRI_PLACES=418, PETRI_TRANSITIONS=791} [2024-11-13 16:30:00,982 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 133 predicate places. [2024-11-13 16:30:00,982 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 791 transitions, 8148 flow [2024-11-13 16:30:00,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:30:00,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:00,983 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:00,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 16:30:00,984 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:30:00,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1180205409, now seen corresponding path program 4 times [2024-11-13 16:30:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:00,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296780216] [2024-11-13 16:30:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:00,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:02,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:02,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296780216] [2024-11-13 16:30:02,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296780216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:02,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:02,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:30:02,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879668549] [2024-11-13 16:30:02,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:02,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:30:02,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:02,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:30:02,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:30:07,941 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:30:07,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 791 transitions, 8148 flow. Second operand has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:30:07,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:07,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:30:07,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:10,518 INFO L124 PetriNetUnfolderBase]: 1931/7006 cut-off events. [2024-11-13 16:30:10,518 INFO L125 PetriNetUnfolderBase]: For 39306/39669 co-relation queries the response was YES. [2024-11-13 16:30:10,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28409 conditions, 7006 events. 1931/7006 cut-off events. For 39306/39669 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 64436 event pairs, 208 based on Foata normal form. 88/7019 useless extension candidates. Maximal degree in co-relation 28251. Up to 1461 conditions per place. [2024-11-13 16:30:10,571 INFO L140 encePairwiseOnDemand]: 249/282 looper letters, 537 selfloop transitions, 209 changer transitions 8/1006 dead transitions. [2024-11-13 16:30:10,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1006 transitions, 12278 flow [2024-11-13 16:30:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 16:30:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-13 16:30:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 5023 transitions. [2024-11-13 16:30:10,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6597058050958761 [2024-11-13 16:30:10,576 INFO L175 Difference]: Start difference. First operand has 418 places, 791 transitions, 8148 flow. Second operand 27 states and 5023 transitions. [2024-11-13 16:30:10,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1006 transitions, 12278 flow [2024-11-13 16:30:10,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1006 transitions, 12180 flow, removed 10 selfloop flow, removed 17 redundant places. [2024-11-13 16:30:10,733 INFO L231 Difference]: Finished difference. Result has 437 places, 870 transitions, 10309 flow [2024-11-13 16:30:10,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=8060, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=791, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=10309, PETRI_PLACES=437, PETRI_TRANSITIONS=870} [2024-11-13 16:30:10,735 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 152 predicate places. [2024-11-13 16:30:10,735 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 870 transitions, 10309 flow [2024-11-13 16:30:10,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:30:10,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:10,737 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:10,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 16:30:10,737 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:30:10,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1371922749, now seen corresponding path program 5 times [2024-11-13 16:30:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:10,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494023352] [2024-11-13 16:30:10,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:10,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:12,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494023352] [2024-11-13 16:30:12,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494023352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:12,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:12,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:30:12,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293854017] [2024-11-13 16:30:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:12,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:30:12,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:12,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:30:12,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:30:17,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:30:17,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 870 transitions, 10309 flow. Second operand has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:30:17,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:17,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:30:17,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:20,542 INFO L124 PetriNetUnfolderBase]: 2132/7737 cut-off events. [2024-11-13 16:30:20,542 INFO L125 PetriNetUnfolderBase]: For 55626/56056 co-relation queries the response was YES. [2024-11-13 16:30:20,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32920 conditions, 7737 events. 2132/7737 cut-off events. For 55626/56056 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 73518 event pairs, 230 based on Foata normal form. 110/7764 useless extension candidates. Maximal degree in co-relation 32751. Up to 1793 conditions per place. [2024-11-13 16:30:20,602 INFO L140 encePairwiseOnDemand]: 249/282 looper letters, 548 selfloop transitions, 246 changer transitions 8/1054 dead transitions. [2024-11-13 16:30:20,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1054 transitions, 14300 flow [2024-11-13 16:30:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 16:30:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-13 16:30:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4837 transitions. [2024-11-13 16:30:20,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6597108565193671 [2024-11-13 16:30:20,607 INFO L175 Difference]: Start difference. First operand has 437 places, 870 transitions, 10309 flow. Second operand 26 states and 4837 transitions. [2024-11-13 16:30:20,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 1054 transitions, 14300 flow [2024-11-13 16:30:20,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 1054 transitions, 14176 flow, removed 38 selfloop flow, removed 14 redundant places. [2024-11-13 16:30:20,831 INFO L231 Difference]: Finished difference. Result has 456 places, 929 transitions, 12454 flow [2024-11-13 16:30:20,832 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=10185, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=12454, PETRI_PLACES=456, PETRI_TRANSITIONS=929} [2024-11-13 16:30:20,832 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 171 predicate places. [2024-11-13 16:30:20,832 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 929 transitions, 12454 flow [2024-11-13 16:30:20,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.66666666666666) internal successors, (3288), 18 states have internal predecessors, (3288), 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) [2024-11-13 16:30:20,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:20,833 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:20,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 16:30:20,833 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:30:20,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1514209646, now seen corresponding path program 1 times [2024-11-13 16:30:20,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:20,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491798867] [2024-11-13 16:30:20,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:20,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:22,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:22,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491798867] [2024-11-13 16:30:22,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491798867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:22,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:22,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:30:22,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483268391] [2024-11-13 16:30:22,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:22,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:30:22,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:22,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:30:22,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:30:27,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:30:27,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 929 transitions, 12454 flow. Second operand has 18 states, 18 states have (on average 182.94444444444446) internal successors, (3293), 18 states have internal predecessors, (3293), 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) [2024-11-13 16:30:27,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:27,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:30:27,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:31,863 INFO L124 PetriNetUnfolderBase]: 2160/7749 cut-off events. [2024-11-13 16:30:31,864 INFO L125 PetriNetUnfolderBase]: For 70082/70508 co-relation queries the response was YES. [2024-11-13 16:30:31,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34594 conditions, 7749 events. 2160/7749 cut-off events. For 70082/70508 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 73564 event pairs, 254 based on Foata normal form. 91/7753 useless extension candidates. Maximal degree in co-relation 34416. Up to 1159 conditions per place. [2024-11-13 16:30:31,979 INFO L140 encePairwiseOnDemand]: 252/282 looper letters, 555 selfloop transitions, 224 changer transitions 8/1039 dead transitions. [2024-11-13 16:30:31,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 1039 transitions, 15075 flow [2024-11-13 16:30:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 16:30:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-13 16:30:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 5737 transitions. [2024-11-13 16:30:31,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6562571493937314 [2024-11-13 16:30:31,987 INFO L175 Difference]: Start difference. First operand has 456 places, 929 transitions, 12454 flow. Second operand 31 states and 5737 transitions. [2024-11-13 16:30:31,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 1039 transitions, 15075 flow [2024-11-13 16:30:32,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1039 transitions, 14940 flow, removed 40 selfloop flow, removed 15 redundant places. [2024-11-13 16:30:32,385 INFO L231 Difference]: Finished difference. Result has 474 places, 938 transitions, 13178 flow [2024-11-13 16:30:32,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=12319, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=13178, PETRI_PLACES=474, PETRI_TRANSITIONS=938} [2024-11-13 16:30:32,386 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 189 predicate places. [2024-11-13 16:30:32,387 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 938 transitions, 13178 flow [2024-11-13 16:30:32,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.94444444444446) internal successors, (3293), 18 states have internal predecessors, (3293), 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) [2024-11-13 16:30:32,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:32,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:32,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 16:30:32,388 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:30:32,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:32,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1449258442, now seen corresponding path program 2 times [2024-11-13 16:30:32,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:32,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526745285] [2024-11-13 16:30:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:34,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:34,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526745285] [2024-11-13 16:30:34,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526745285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:34,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:34,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:30:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781007500] [2024-11-13 16:30:34,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:34,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:30:34,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:34,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:30:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:30:39,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 282 [2024-11-13 16:30:39,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 938 transitions, 13178 flow. Second operand has 18 states, 18 states have (on average 182.94444444444446) internal successors, (3293), 18 states have internal predecessors, (3293), 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) [2024-11-13 16:30:39,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:39,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 282 [2024-11-13 16:30:39,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:43,712 INFO L124 PetriNetUnfolderBase]: 2196/7839 cut-off events. [2024-11-13 16:30:43,712 INFO L125 PetriNetUnfolderBase]: For 85022/85449 co-relation queries the response was YES. [2024-11-13 16:30:43,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36186 conditions, 7839 events. 2196/7839 cut-off events. For 85022/85449 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 74385 event pairs, 259 based on Foata normal form. 91/7842 useless extension candidates. Maximal degree in co-relation 36004. Up to 1202 conditions per place. [2024-11-13 16:30:43,824 INFO L140 encePairwiseOnDemand]: 251/282 looper letters, 568 selfloop transitions, 230 changer transitions 8/1058 dead transitions. [2024-11-13 16:30:43,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 1058 transitions, 15947 flow [2024-11-13 16:30:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 16:30:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2024-11-13 16:30:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5922 transitions. [2024-11-13 16:30:43,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65625 [2024-11-13 16:30:43,832 INFO L175 Difference]: Start difference. First operand has 474 places, 938 transitions, 13178 flow. Second operand 32 states and 5922 transitions. [2024-11-13 16:30:43,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 1058 transitions, 15947 flow [2024-11-13 16:30:44,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1058 transitions, 15564 flow, removed 15 selfloop flow, removed 28 redundant places. [2024-11-13 16:30:44,525 INFO L231 Difference]: Finished difference. Result has 481 places, 950 transitions, 13750 flow [2024-11-13 16:30:44,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=12801, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=13750, PETRI_PLACES=481, PETRI_TRANSITIONS=950} [2024-11-13 16:30:44,527 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 196 predicate places. [2024-11-13 16:30:44,527 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 950 transitions, 13750 flow [2024-11-13 16:30:44,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 182.94444444444446) internal successors, (3293), 18 states have internal predecessors, (3293), 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) [2024-11-13 16:30:44,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:44,528 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:44,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 16:30:44,529 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:30:44,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash -387389808, now seen corresponding path program 3 times [2024-11-13 16:30:44,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:44,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980162087] [2024-11-13 16:30:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:46,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980162087] [2024-11-13 16:30:46,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980162087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:46,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:46,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-13 16:30:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395560581] [2024-11-13 16:30:46,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:46,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 16:30:46,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:46,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 16:30:46,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-13 16:30:52,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 282 [2024-11-13 16:30:52,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 950 transitions, 13750 flow. Second operand has 20 states, 20 states have (on average 180.55) internal successors, (3611), 20 states have internal predecessors, (3611), 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) [2024-11-13 16:30:52,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:30:52,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 282 [2024-11-13 16:30:52,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:30:57,305 INFO L124 PetriNetUnfolderBase]: 2213/7862 cut-off events. [2024-11-13 16:30:57,305 INFO L125 PetriNetUnfolderBase]: For 93079/93474 co-relation queries the response was YES. [2024-11-13 16:30:57,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37101 conditions, 7862 events. 2213/7862 cut-off events. For 93079/93474 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 74545 event pairs, 194 based on Foata normal form. 132/7914 useless extension candidates. Maximal degree in co-relation 36914. Up to 1172 conditions per place. [2024-11-13 16:30:57,431 INFO L140 encePairwiseOnDemand]: 247/282 looper letters, 580 selfloop transitions, 327 changer transitions 19/1174 dead transitions. [2024-11-13 16:30:57,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 1174 transitions, 17670 flow [2024-11-13 16:30:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 16:30:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2024-11-13 16:30:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 7894 transitions. [2024-11-13 16:30:57,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6509978558469405 [2024-11-13 16:30:57,441 INFO L175 Difference]: Start difference. First operand has 481 places, 950 transitions, 13750 flow. Second operand 43 states and 7894 transitions. [2024-11-13 16:30:57,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 1174 transitions, 17670 flow [2024-11-13 16:30:57,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 1174 transitions, 17121 flow, removed 32 selfloop flow, removed 29 redundant places. [2024-11-13 16:30:58,004 INFO L231 Difference]: Finished difference. Result has 503 places, 992 transitions, 14920 flow [2024-11-13 16:30:58,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=13245, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=14920, PETRI_PLACES=503, PETRI_TRANSITIONS=992} [2024-11-13 16:30:58,005 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 218 predicate places. [2024-11-13 16:30:58,005 INFO L471 AbstractCegarLoop]: Abstraction has has 503 places, 992 transitions, 14920 flow [2024-11-13 16:30:58,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 180.55) internal successors, (3611), 20 states have internal predecessors, (3611), 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) [2024-11-13 16:30:58,007 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:30:58,007 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:58,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 16:30:58,007 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:30:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:58,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1252216970, now seen corresponding path program 1 times [2024-11-13 16:30:58,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:58,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044187586] [2024-11-13 16:30:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:30:59,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:59,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044187586] [2024-11-13 16:30:59,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044187586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:59,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:59,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-13 16:30:59,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364968143] [2024-11-13 16:30:59,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:59,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 16:30:59,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:59,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 16:30:59,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:31:07,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 282 [2024-11-13 16:31:07,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 992 transitions, 14920 flow. Second operand has 21 states, 21 states have (on average 180.52380952380952) internal successors, (3791), 21 states have internal predecessors, (3791), 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) [2024-11-13 16:31:07,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:31:07,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 282 [2024-11-13 16:31:07,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:31:12,642 INFO L124 PetriNetUnfolderBase]: 2553/9561 cut-off events. [2024-11-13 16:31:12,642 INFO L125 PetriNetUnfolderBase]: For 111756/112196 co-relation queries the response was YES. [2024-11-13 16:31:12,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44841 conditions, 9561 events. 2553/9561 cut-off events. For 111756/112196 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 95362 event pairs, 269 based on Foata normal form. 71/9468 useless extension candidates. Maximal degree in co-relation 44645. Up to 1569 conditions per place. [2024-11-13 16:31:12,839 INFO L140 encePairwiseOnDemand]: 245/282 looper letters, 570 selfloop transitions, 233 changer transitions 14/1237 dead transitions. [2024-11-13 16:31:12,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 1237 transitions, 20132 flow [2024-11-13 16:31:12,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 16:31:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2024-11-13 16:31:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 7798 transitions. [2024-11-13 16:31:12,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6430809830117103 [2024-11-13 16:31:12,848 INFO L175 Difference]: Start difference. First operand has 503 places, 992 transitions, 14920 flow. Second operand 43 states and 7798 transitions. [2024-11-13 16:31:12,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 1237 transitions, 20132 flow [2024-11-13 16:31:14,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1237 transitions, 19405 flow, removed 80 selfloop flow, removed 43 redundant places. [2024-11-13 16:31:14,173 INFO L231 Difference]: Finished difference. Result has 509 places, 1082 transitions, 16655 flow [2024-11-13 16:31:14,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=14246, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=789, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=16655, PETRI_PLACES=509, PETRI_TRANSITIONS=1082} [2024-11-13 16:31:14,174 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 224 predicate places. [2024-11-13 16:31:14,175 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 1082 transitions, 16655 flow [2024-11-13 16:31:14,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 180.52380952380952) internal successors, (3791), 21 states have internal predecessors, (3791), 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) [2024-11-13 16:31:14,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:31:14,176 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:14,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 16:31:14,177 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:31:14,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:14,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1851722684, now seen corresponding path program 2 times [2024-11-13 16:31:14,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:31:14,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193909801] [2024-11-13 16:31:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:14,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:31:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:31:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:31:17,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:31:17,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193909801] [2024-11-13 16:31:17,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193909801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:31:17,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:31:17,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-13 16:31:17,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125469196] [2024-11-13 16:31:17,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:31:17,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 16:31:17,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:31:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 16:31:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:31:23,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 282 [2024-11-13 16:31:23,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 1082 transitions, 16655 flow. Second operand has 21 states, 21 states have (on average 180.52380952380952) internal successors, (3791), 21 states have internal predecessors, (3791), 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) [2024-11-13 16:31:23,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:31:23,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 282 [2024-11-13 16:31:23,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:31:28,658 INFO L124 PetriNetUnfolderBase]: 2743/10225 cut-off events. [2024-11-13 16:31:28,658 INFO L125 PetriNetUnfolderBase]: For 114970/115475 co-relation queries the response was YES. [2024-11-13 16:31:28,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47668 conditions, 10225 events. 2743/10225 cut-off events. For 114970/115475 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 102742 event pairs, 265 based on Foata normal form. 114/10168 useless extension candidates. Maximal degree in co-relation 47482. Up to 1675 conditions per place. [2024-11-13 16:31:28,860 INFO L140 encePairwiseOnDemand]: 252/282 looper letters, 619 selfloop transitions, 217 changer transitions 36/1292 dead transitions. [2024-11-13 16:31:28,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1292 transitions, 20684 flow [2024-11-13 16:31:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 16:31:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2024-11-13 16:31:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 7996 transitions. [2024-11-13 16:31:28,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6444229529335912 [2024-11-13 16:31:28,868 INFO L175 Difference]: Start difference. First operand has 509 places, 1082 transitions, 16655 flow. Second operand 44 states and 7996 transitions. [2024-11-13 16:31:28,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1292 transitions, 20684 flow [2024-11-13 16:31:30,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 1292 transitions, 20500 flow, removed 29 selfloop flow, removed 17 redundant places. [2024-11-13 16:31:30,168 INFO L231 Difference]: Finished difference. Result has 547 places, 1129 transitions, 17437 flow [2024-11-13 16:31:30,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=16488, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1082, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=17437, PETRI_PLACES=547, PETRI_TRANSITIONS=1129} [2024-11-13 16:31:30,169 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 262 predicate places. [2024-11-13 16:31:30,170 INFO L471 AbstractCegarLoop]: Abstraction has has 547 places, 1129 transitions, 17437 flow [2024-11-13 16:31:30,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 180.52380952380952) internal successors, (3791), 21 states have internal predecessors, (3791), 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) [2024-11-13 16:31:30,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:31:30,171 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:30,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 16:31:30,172 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:31:30,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:30,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1396049906, now seen corresponding path program 3 times [2024-11-13 16:31:30,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:31:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126857553] [2024-11-13 16:31:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:30,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:31:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:31:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:31:32,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:31:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126857553] [2024-11-13 16:31:32,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126857553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:31:32,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:31:32,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-13 16:31:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839687566] [2024-11-13 16:31:32,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:31:32,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 16:31:32,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:31:32,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 16:31:32,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:31:40,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 282 [2024-11-13 16:31:40,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 1129 transitions, 17437 flow. Second operand has 21 states, 21 states have (on average 180.52380952380952) internal successors, (3791), 21 states have internal predecessors, (3791), 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) [2024-11-13 16:31:40,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:31:40,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 282 [2024-11-13 16:31:40,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:31:47,718 INFO L124 PetriNetUnfolderBase]: 3260/12129 cut-off events. [2024-11-13 16:31:47,718 INFO L125 PetriNetUnfolderBase]: For 146360/147009 co-relation queries the response was YES. [2024-11-13 16:31:47,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57732 conditions, 12129 events. 3260/12129 cut-off events. For 146360/147009 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 126654 event pairs, 341 based on Foata normal form. 155/12068 useless extension candidates. Maximal degree in co-relation 57533. Up to 2051 conditions per place. [2024-11-13 16:31:48,005 INFO L140 encePairwiseOnDemand]: 245/282 looper letters, 663 selfloop transitions, 269 changer transitions 12/1364 dead transitions. [2024-11-13 16:31:48,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1364 transitions, 23153 flow [2024-11-13 16:31:48,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 16:31:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-13 16:31:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 8157 transitions. [2024-11-13 16:31:48,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.642789598108747 [2024-11-13 16:31:48,019 INFO L175 Difference]: Start difference. First operand has 547 places, 1129 transitions, 17437 flow. Second operand 45 states and 8157 transitions. [2024-11-13 16:31:48,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1364 transitions, 23153 flow [2024-11-13 16:31:49,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 1364 transitions, 22792 flow, removed 35 selfloop flow, removed 24 redundant places. [2024-11-13 16:31:49,132 INFO L231 Difference]: Finished difference. Result has 573 places, 1211 transitions, 19796 flow [2024-11-13 16:31:49,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=17104, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=874, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=19796, PETRI_PLACES=573, PETRI_TRANSITIONS=1211} [2024-11-13 16:31:49,139 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 288 predicate places. [2024-11-13 16:31:49,139 INFO L471 AbstractCegarLoop]: Abstraction has has 573 places, 1211 transitions, 19796 flow [2024-11-13 16:31:49,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 180.52380952380952) internal successors, (3791), 21 states have internal predecessors, (3791), 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) [2024-11-13 16:31:49,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:31:49,141 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:49,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 16:31:49,141 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:31:49,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:49,142 INFO L85 PathProgramCache]: Analyzing trace with hash -891431701, now seen corresponding path program 1 times [2024-11-13 16:31:49,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:31:49,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728942616] [2024-11-13 16:31:49,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:31:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:31:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:31:51,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:31:51,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728942616] [2024-11-13 16:31:51,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728942616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:31:51,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:31:51,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-13 16:31:51,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444405495] [2024-11-13 16:31:51,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:31:51,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 16:31:51,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:31:51,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 16:31:51,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2024-11-13 16:31:56,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 282 [2024-11-13 16:31:56,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 1211 transitions, 19796 flow. Second operand has 23 states, 23 states have (on average 156.69565217391303) internal successors, (3604), 23 states have internal predecessors, (3604), 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) [2024-11-13 16:31:56,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:31:56,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 282 [2024-11-13 16:31:56,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:32:08,108 INFO L124 PetriNetUnfolderBase]: 5322/16564 cut-off events. [2024-11-13 16:32:08,108 INFO L125 PetriNetUnfolderBase]: For 169004/169483 co-relation queries the response was YES. [2024-11-13 16:32:08,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78458 conditions, 16564 events. 5322/16564 cut-off events. For 169004/169483 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 169262 event pairs, 787 based on Foata normal form. 101/16517 useless extension candidates. Maximal degree in co-relation 78254. Up to 2623 conditions per place. [2024-11-13 16:32:08,410 INFO L140 encePairwiseOnDemand]: 238/282 looper letters, 873 selfloop transitions, 330 changer transitions 52/1473 dead transitions. [2024-11-13 16:32:08,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 1473 transitions, 24915 flow [2024-11-13 16:32:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-13 16:32:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2024-11-13 16:32:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 5853 transitions. [2024-11-13 16:32:08,418 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5765366430260047 [2024-11-13 16:32:08,421 INFO L175 Difference]: Start difference. First operand has 573 places, 1211 transitions, 19796 flow. Second operand 36 states and 5853 transitions. [2024-11-13 16:32:08,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 1473 transitions, 24915 flow [2024-11-13 16:32:09,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 1473 transitions, 24527 flow, removed 13 selfloop flow, removed 33 redundant places. [2024-11-13 16:32:09,714 INFO L231 Difference]: Finished difference. Result has 582 places, 1239 transitions, 21019 flow [2024-11-13 16:32:09,720 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=19418, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=907, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=21019, PETRI_PLACES=582, PETRI_TRANSITIONS=1239} [2024-11-13 16:32:09,721 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 297 predicate places. [2024-11-13 16:32:09,723 INFO L471 AbstractCegarLoop]: Abstraction has has 582 places, 1239 transitions, 21019 flow [2024-11-13 16:32:09,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 156.69565217391303) internal successors, (3604), 23 states have internal predecessors, (3604), 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) [2024-11-13 16:32:09,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:32:09,725 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:32:09,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 16:32:09,727 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:32:09,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:32:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1276248392, now seen corresponding path program 4 times [2024-11-13 16:32:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:32:09,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389382216] [2024-11-13 16:32:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:32:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:32:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:12,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:32:12,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:32:12,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389382216] [2024-11-13 16:32:12,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389382216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:32:12,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:32:12,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-13 16:32:12,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544839574] [2024-11-13 16:32:12,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:32:12,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 16:32:12,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:32:12,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 16:32:12,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-13 16:32:21,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 282 [2024-11-13 16:32:21,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 1239 transitions, 21019 flow. Second operand has 24 states, 24 states have (on average 180.04166666666666) internal successors, (4321), 24 states have internal predecessors, (4321), 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) [2024-11-13 16:32:21,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:32:21,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 282 [2024-11-13 16:32:21,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:32:28,578 INFO L124 PetriNetUnfolderBase]: 3234/11945 cut-off events. [2024-11-13 16:32:28,578 INFO L125 PetriNetUnfolderBase]: For 164654/165388 co-relation queries the response was YES. [2024-11-13 16:32:28,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61158 conditions, 11945 events. 3234/11945 cut-off events. For 164654/165388 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 123745 event pairs, 340 based on Foata normal form. 121/11862 useless extension candidates. Maximal degree in co-relation 60942. Up to 2027 conditions per place. [2024-11-13 16:32:28,802 INFO L140 encePairwiseOnDemand]: 250/282 looper letters, 677 selfloop transitions, 155 changer transitions 31/1285 dead transitions. [2024-11-13 16:32:28,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 1285 transitions, 23020 flow [2024-11-13 16:32:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 16:32:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2024-11-13 16:32:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5804 transitions. [2024-11-13 16:32:28,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6431737588652482 [2024-11-13 16:32:28,807 INFO L175 Difference]: Start difference. First operand has 582 places, 1239 transitions, 21019 flow. Second operand 32 states and 5804 transitions. [2024-11-13 16:32:28,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 1285 transitions, 23020 flow [2024-11-13 16:32:29,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 1285 transitions, 22386 flow, removed 43 selfloop flow, removed 28 redundant places. [2024-11-13 16:32:29,962 INFO L231 Difference]: Finished difference. Result has 584 places, 1229 transitions, 20587 flow [2024-11-13 16:32:29,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=20377, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1083, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=20587, PETRI_PLACES=584, PETRI_TRANSITIONS=1229} [2024-11-13 16:32:29,965 INFO L277 CegarLoopForPetriNet]: 285 programPoint places, 299 predicate places. [2024-11-13 16:32:29,965 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 1229 transitions, 20587 flow [2024-11-13 16:32:29,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 180.04166666666666) internal successors, (4321), 24 states have internal predecessors, (4321), 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) [2024-11-13 16:32:29,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:32:29,968 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:32:29,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 16:32:29,969 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-13 16:32:29,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:32:29,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1250771443, now seen corresponding path program 1 times [2024-11-13 16:32:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:32:29,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911222612] [2024-11-13 16:32:29,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:32:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:32:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:32:30,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:32:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:32:30,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:32:30,588 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:32:30,590 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-11-13 16:32:30,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-13 16:32:30,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-13 16:32:30,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-13 16:32:30,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-13 16:32:30,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-13 16:32:30,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-13 16:32:30,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-13 16:32:30,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-13 16:32:30,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-13 16:32:30,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-13 16:32:30,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-13 16:32:30,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-13 16:32:30,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-13 16:32:30,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-13 16:32:30,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-13 16:32:30,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-13 16:32:30,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-13 16:32:30,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-13 16:32:30,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-13 16:32:30,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-13 16:32:30,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-13 16:32:30,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-13 16:32:30,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-13 16:32:30,600 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-13 16:32:30,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 16:32:30,602 INFO L407 BasicCegarLoop]: Path program histogram: [5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:32:30,824 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:32:30,825 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:32:30,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:32:30 BasicIcfg [2024-11-13 16:32:30,836 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:32:30,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:32:30,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:32:30,840 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:32:30,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:28:46" (3/4) ... [2024-11-13 16:32:30,843 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:32:31,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:32:31,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:32:31,033 INFO L158 Benchmark]: Toolchain (without parser) took 226714.56ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 90.3MB in the beginning and 708.8MB in the end (delta: -618.5MB). Peak memory consumption was 499.0MB. Max. memory is 16.1GB. [2024-11-13 16:32:31,034 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:32:31,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 929.54ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 51.1MB in the end (delta: 39.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:32:31,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.84ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:32:31,037 INFO L158 Benchmark]: Boogie Preprocessor took 84.04ms. Allocated memory is still 117.4MB. Free memory was 47.5MB in the beginning and 44.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:32:31,037 INFO L158 Benchmark]: RCFGBuilder took 1137.64ms. Allocated memory is still 117.4MB. Free memory was 44.7MB in the beginning and 64.9MB in the end (delta: -20.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-13 16:32:31,038 INFO L158 Benchmark]: TraceAbstraction took 224270.10ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 64.3MB in the beginning and 734.0MB in the end (delta: -669.7MB). Peak memory consumption was 443.0MB. Max. memory is 16.1GB. [2024-11-13 16:32:31,039 INFO L158 Benchmark]: Witness Printer took 194.46ms. Allocated memory is still 1.2GB. Free memory was 734.0MB in the beginning and 708.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:32:31,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 929.54ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 51.1MB in the end (delta: 39.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.84ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 47.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.04ms. Allocated memory is still 117.4MB. Free memory was 47.5MB in the beginning and 44.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1137.64ms. Allocated memory is still 117.4MB. Free memory was 44.7MB in the beginning and 64.9MB in the end (delta: -20.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 224270.10ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 64.3MB in the beginning and 734.0MB in the end (delta: -669.7MB). Peak memory consumption was 443.0MB. Max. memory is 16.1GB. * Witness Printer took 194.46ms. Allocated memory is still 1.2GB. Free memory was 734.0MB in the beginning and 708.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1259]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; VAL [A={0:0}, B={0:0}] [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={1:0}, B={0:0}] [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}] [L1243] 0 pthread_t t1; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}] [L1244] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}] [L1245] CALL 0 init(p,9) [L1228] 0 p -> datum = x VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(p)={-2:0}, \old(x)=9, p={-2:0}, x=9] [L1229] 0 p -> next = ((void *)0) VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(p)={-2:0}, \old(x)=9, p={-2:0}, x=9] [L1245] RET 0 init(p,9) [L1246] 0 A = malloc(sizeof(struct s)) VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}] [L1247] 0 init(A,3) [L1247] CALL 0 init(A,3) [L1228] 0 p -> datum = x VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(p)={-3:0}, \old(x)=3, p={-3:0}, x=3] [L1229] 0 p -> next = ((void *)0) VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(p)={-3:0}, \old(x)=3, p={-3:0}, x=3] [L1247] RET 0 init(A,3) [L1248] EXPR 0 A->next VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}] [L1248] 0 A->next = p VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}] [L1249] 0 B = malloc(sizeof(struct s)) VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, p={-2:0}] [L1250] 0 init(B,5) [L1250] CALL 0 init(B,5) [L1228] 0 p -> datum = x VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(p)={-4:0}, \old(x)=5, p={-4:0}, x=5] [L1229] 0 p -> next = ((void *)0) VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(p)={-4:0}, \old(x)=5, p={-4:0}, x=5] [L1250] RET 0 init(B,5) [L1251] EXPR 0 B->next VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, p={-2:0}] [L1251] 0 B->next = p VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, p={-2:0}] [L1252] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, p={-2:0}, t1=-1] [L1254] EXPR 0 A->next VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, p={-2:0}, t1=-1] [L1254] 0 p = A->next VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, p={-2:0}, t1=-1] [L1255] EXPR 0 p->datum VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, p={-2:0}, t1=-1] [L1255] 0 printf("%d\n", p->datum) VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, p={-2:0}, t1=-1] [L1258] EXPR 0 B->next VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, p={-2:0}, t1=-1] [L1235] EXPR 1 A->next VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, arg={0:0}] [L1258] 0 p = B->next VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, arg={0:0}, p={-2:0}, t1=-1] [L1259] EXPR 0 p->datum VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, arg={0:0}, p={-2:0}, t1=-1] [L1235] EXPR 1 A->next->datum VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, arg={0:0}] [L1235] 1 A->next->datum++ VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, arg={0:0}] [L1259] 0 printf("%d\n", p->datum) VAL [A={-3:0}, A_mutex={1:0}, B={-4:0}, B_mutex={2:0}, \old(arg)={0:0}, arg={0:0}, p={-2:0}, t1=-1] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> next = ((void *)0) [1229] * C: B->next = p [1251] * C: A->next->datum++ [1235] * C: p -> next = ((void *)0) [1229] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: A = malloc(sizeof(struct s)) [1246] * C: B->next = p [1251] * C: B = malloc(sizeof(struct s)) [1249] * C: A->next = p [1248] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: B->next = p [1251] * C: p -> datum = x [1228] * C: A->next = p [1248] * C: A->next = p [1248] * C: A->next = p [1248] * C: B->next = p [1251] * C: p -> datum = x [1228] and C: printf("%d\n", p->datum) [1259] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 356 locations, 37 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: 223.9s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 182.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26865 SdHoareTripleChecker+Valid, 108.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22871 mSDsluCounter, 70777 SdHoareTripleChecker+Invalid, 93.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68755 mSDsCounter, 3861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150586 IncrementalHoareTripleChecker+Invalid, 154447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3861 mSolverCounterUnsat, 2022 mSDtfsCounter, 150586 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 816 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 615 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5606 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21019occurred in iteration=29, InterpolantAutomatonStates: 546, 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: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 38.2s InterpolantComputationTime, 4950 NumberOfCodeBlocks, 4950 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4717 ConstructedInterpolants, 0 QuantifiedInterpolants, 45089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:32:31,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e792b91-56df-412c-a9f7-a8a43a2c6087/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE