./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71de1c8da7c81d1cb6f2035741a17645b8c79e199c0fda7e542c1cb232593d6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:44,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:44,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:50:44,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:44,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:44,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:44,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:44,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:44,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:44,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:44,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:44,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:44,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:44,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:44,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:44,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:44,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:44,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:44,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:44,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:44,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:44,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:44,378 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:44,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:44,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:44,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:44,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:44,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:44,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:44,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:44,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:44,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:44,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:44,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:44,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:44,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:44,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:44,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:44,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:44,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:44,380 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_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71de1c8da7c81d1cb6f2035741a17645b8c79e199c0fda7e542c1cb232593d6b [2024-11-27 19:50:44,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:44,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:44,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:44,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:44,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:44,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-ext/25_stack_longer-1-race.i [2024-11-27 19:50:47,820 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/data/dbc5dd61c/c7f5853c5e664da6a7f93475368cc47e/FLAG0d7fccc88 [2024-11-27 19:50:48,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:48,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/sv-benchmarks/c/pthread-ext/25_stack_longer-1-race.i [2024-11-27 19:50:48,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/data/dbc5dd61c/c7f5853c5e664da6a7f93475368cc47e/FLAG0d7fccc88 [2024-11-27 19:50:48,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/data/dbc5dd61c/c7f5853c5e664da6a7f93475368cc47e [2024-11-27 19:50:48,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:48,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:48,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:48,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:48,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:48,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:48" (1/1) ... [2024-11-27 19:50:48,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d25aa8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:48, skipping insertion in model container [2024-11-27 19:50:48,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:48" (1/1) ... [2024-11-27 19:50:48,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:48,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:49,034 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:49,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:49,187 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:49,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49 WrapperNode [2024-11-27 19:50:49,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:49,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:49,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:49,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:49,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,298 INFO L138 Inliner]: procedures = 176, calls = 32, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 932 [2024-11-27 19:50:49,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:49,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:49,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:49,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:49,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,373 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:49,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:49,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:49,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:49,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (1/1) ... [2024-11-27 19:50:49,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:49,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:49,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c94ace4-d77f-4a5c-a544-7b0b8c6738bd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 19:50:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-27 19:50:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-27 19:50:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 19:50:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:50:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:49,498 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:50:49,700 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:49,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:51,262 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:50:51,262 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:51,850 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:51,850 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 19:50:51,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:51 BoogieIcfgContainer [2024-11-27 19:50:51,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:51,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:51,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:51,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:51,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:48" (1/3) ... [2024-11-27 19:50:51,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432424d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:51, skipping insertion in model container [2024-11-27 19:50:51,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:49" (2/3) ... [2024-11-27 19:50:51,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432424d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:51, skipping insertion in model container [2024-11-27 19:50:51,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:51" (3/3) ... [2024-11-27 19:50:51,863 INFO L128 eAbstractionObserver]: Analyzing ICFG 25_stack_longer-1-race.i [2024-11-27 19:50:51,883 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:51,885 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 25_stack_longer-1-race.i that has 2 procedures, 791 locations, 1 initial locations, 2 loop locations, and 26 error locations. [2024-11-27 19:50:51,885 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:50:52,056 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 19:50:52,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 794 places, 798 transitions, 1600 flow [2024-11-27 19:50:52,743 INFO L124 PetriNetUnfolderBase]: 8/806 cut-off events. [2024-11-27 19:50:52,747 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:52,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 806 events. 8/806 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 225 event pairs, 0 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 667. Up to 4 conditions per place. [2024-11-27 19:50:52,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 794 places, 798 transitions, 1600 flow [2024-11-27 19:50:52,780 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 794 places, 798 transitions, 1600 flow [2024-11-27 19:50:52,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:52,820 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;@24d215c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:52,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-27 19:50:53,042 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:50:53,042 INFO L124 PetriNetUnfolderBase]: 2/672 cut-off events. [2024-11-27 19:50:53,042 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:53,042 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:53,044 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:53,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-27 19:50:53,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:53,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1327398329, now seen corresponding path program 1 times [2024-11-27 19:50:53,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:53,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629379481] [2024-11-27 19:50:53,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:58,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:58,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629379481] [2024-11-27 19:50:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629379481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:58,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:58,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 19:50:58,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705621928] [2024-11-27 19:50:58,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:58,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:50:58,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:58,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:50:58,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:50:58,188 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 770 out of 798 [2024-11-27 19:50:58,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 798 transitions, 1600 flow. Second operand has 2 states, 2 states have (on average 771.0) internal successors, (1542), 2 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:58,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:58,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 770 of 798 [2024-11-27 19:50:58,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:58,593 INFO L124 PetriNetUnfolderBase]: 4/778 cut-off events. [2024-11-27 19:50:58,593 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:50:58,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 778 events. 4/778 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 134 event pairs, 0 based on Foata normal form. 8/771 useless extension candidates. Maximal degree in co-relation 122. Up to 10 conditions per place. [2024-11-27 19:50:58,597 INFO L140 encePairwiseOnDemand]: 779/798 looper letters, 9 selfloop transitions, 0 changer transitions 0/775 dead transitions. [2024-11-27 19:50:58,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 775 places, 775 transitions, 1572 flow [2024-11-27 19:50:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:50:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-27 19:50:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1568 transitions. [2024-11-27 19:50:58,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9824561403508771 [2024-11-27 19:50:58,630 INFO L175 Difference]: Start difference. First operand has 794 places, 798 transitions, 1600 flow. Second operand 2 states and 1568 transitions. [2024-11-27 19:50:58,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 775 places, 775 transitions, 1572 flow [2024-11-27 19:50:58,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 775 places, 775 transitions, 1572 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:50:58,669 INFO L231 Difference]: Finished difference. Result has 775 places, 775 transitions, 1554 flow [2024-11-27 19:50:58,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=798, PETRI_DIFFERENCE_MINUEND_FLOW=1554, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=775, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1554, PETRI_PLACES=775, PETRI_TRANSITIONS=775} [2024-11-27 19:50:58,680 INFO L279 CegarLoopForPetriNet]: 794 programPoint places, -19 predicate places. [2024-11-27 19:50:58,680 INFO L471 AbstractCegarLoop]: Abstraction has has 775 places, 775 transitions, 1554 flow [2024-11-27 19:50:58,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 771.0) internal successors, (1542), 2 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:58,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:58,684 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:58,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:50:58,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-27 19:50:58,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:58,691 INFO L85 PathProgramCache]: Analyzing trace with hash 24577852, now seen corresponding path program 1 times [2024-11-27 19:50:58,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:58,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640282005] [2024-11-27 19:50:58,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:58,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:59,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:59,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640282005] [2024-11-27 19:50:59,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640282005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:59,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:59,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:59,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557801968] [2024-11-27 19:50:59,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:59,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:59,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:59,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:59,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:59,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 766 out of 798 [2024-11-27 19:50:59,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 775 places, 775 transitions, 1554 flow. Second operand has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:59,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:59,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 766 of 798 [2024-11-27 19:50:59,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:00,200 INFO L124 PetriNetUnfolderBase]: 6/865 cut-off events. [2024-11-27 19:51:00,200 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:51:00,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 865 events. 6/865 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 430 event pairs, 0 based on Foata normal form. 0/840 useless extension candidates. Maximal degree in co-relation 886. Up to 11 conditions per place. [2024-11-27 19:51:00,204 INFO L140 encePairwiseOnDemand]: 795/798 looper letters, 17 selfloop transitions, 2 changer transitions 0/781 dead transitions. [2024-11-27 19:51:00,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 781 transitions, 1604 flow [2024-11-27 19:51:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2318 transitions. [2024-11-27 19:51:00,211 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9682539682539683 [2024-11-27 19:51:00,211 INFO L175 Difference]: Start difference. First operand has 775 places, 775 transitions, 1554 flow. Second operand 3 states and 2318 transitions. [2024-11-27 19:51:00,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 781 transitions, 1604 flow [2024-11-27 19:51:00,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 776 places, 781 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:00,231 INFO L231 Difference]: Finished difference. Result has 776 places, 774 transitions, 1556 flow [2024-11-27 19:51:00,232 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=798, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=774, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=772, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1556, PETRI_PLACES=776, PETRI_TRANSITIONS=774} [2024-11-27 19:51:00,233 INFO L279 CegarLoopForPetriNet]: 794 programPoint places, -18 predicate places. [2024-11-27 19:51:00,233 INFO L471 AbstractCegarLoop]: Abstraction has has 776 places, 774 transitions, 1556 flow [2024-11-27 19:51:00,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:00,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:00,236 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:00,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:51:00,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-27 19:51:00,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:00,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1804649835, now seen corresponding path program 1 times [2024-11-27 19:51:00,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:00,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70547988] [2024-11-27 19:51:00,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:51:00,667 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:51:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:51:01,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:51:01,209 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:51:01,211 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-27 19:51:01,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-27 19:51:01,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-27 19:51:01,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-27 19:51:01,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-27 19:51:01,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-27 19:51:01,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-27 19:51:01,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-27 19:51:01,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-27 19:51:01,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-27 19:51:01,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-27 19:51:01,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-27 19:51:01,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-27 19:51:01,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-27 19:51:01,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-27 19:51:01,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:51:01,220 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 19:51:01,223 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 19:51:01,223 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-27 19:51:01,372 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 19:51:01,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 918 places, 926 transitions, 1862 flow [2024-11-27 19:51:01,755 INFO L124 PetriNetUnfolderBase]: 15/944 cut-off events. [2024-11-27 19:51:01,756 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 19:51:01,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 944 events. 15/944 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 879 event pairs, 0 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 807. Up to 6 conditions per place. [2024-11-27 19:51:01,766 INFO L82 GeneralOperation]: Start removeDead. Operand has 918 places, 926 transitions, 1862 flow [2024-11-27 19:51:01,776 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 918 places, 926 transitions, 1862 flow [2024-11-27 19:51:01,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:51:01,782 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;@24d215c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:51:01,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-27 19:51:01,907 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:51:01,907 INFO L124 PetriNetUnfolderBase]: 2/672 cut-off events. [2024-11-27 19:51:01,907 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:51:01,908 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:01,909 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:01,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-27 19:51:01,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:01,913 INFO L85 PathProgramCache]: Analyzing trace with hash 125030646, now seen corresponding path program 1 times [2024-11-27 19:51:01,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:01,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130606970] [2024-11-27 19:51:01,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:05,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:05,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130606970] [2024-11-27 19:51:05,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130606970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:05,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:05,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 19:51:05,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599145303] [2024-11-27 19:51:05,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:05,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:51:05,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:05,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:51:05,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:51:05,412 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 872 out of 926 [2024-11-27 19:51:05,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 918 places, 926 transitions, 1862 flow. Second operand has 2 states, 2 states have (on average 873.0) internal successors, (1746), 2 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:05,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:05,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 872 of 926 [2024-11-27 19:51:05,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:06,566 INFO L124 PetriNetUnfolderBase]: 112/1909 cut-off events. [2024-11-27 19:51:06,567 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-27 19:51:06,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 1909 events. 112/1909 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8081 event pairs, 52 based on Foata normal form. 89/1825 useless extension candidates. Maximal degree in co-relation 1269. Up to 161 conditions per place. [2024-11-27 19:51:06,582 INFO L140 encePairwiseOnDemand]: 890/926 looper letters, 18 selfloop transitions, 0 changer transitions 0/885 dead transitions. [2024-11-27 19:51:06,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 883 places, 885 transitions, 1816 flow [2024-11-27 19:51:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:51:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-27 19:51:06,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1798 transitions. [2024-11-27 19:51:06,588 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9708423326133909 [2024-11-27 19:51:06,588 INFO L175 Difference]: Start difference. First operand has 918 places, 926 transitions, 1862 flow. Second operand 2 states and 1798 transitions. [2024-11-27 19:51:06,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 883 places, 885 transitions, 1816 flow [2024-11-27 19:51:06,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 883 places, 885 transitions, 1816 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:06,614 INFO L231 Difference]: Finished difference. Result has 883 places, 885 transitions, 1780 flow [2024-11-27 19:51:06,615 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=926, PETRI_DIFFERENCE_MINUEND_FLOW=1780, PETRI_DIFFERENCE_MINUEND_PLACES=882, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=885, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1780, PETRI_PLACES=883, PETRI_TRANSITIONS=885} [2024-11-27 19:51:06,616 INFO L279 CegarLoopForPetriNet]: 918 programPoint places, -35 predicate places. [2024-11-27 19:51:06,617 INFO L471 AbstractCegarLoop]: Abstraction has has 883 places, 885 transitions, 1780 flow [2024-11-27 19:51:06,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 873.0) internal successors, (1746), 2 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:06,618 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:06,619 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:06,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:51:06,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-27 19:51:06,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:06,623 INFO L85 PathProgramCache]: Analyzing trace with hash -104529191, now seen corresponding path program 1 times [2024-11-27 19:51:06,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:06,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185413108] [2024-11-27 19:51:06,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:06,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:07,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:07,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185413108] [2024-11-27 19:51:07,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185413108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:07,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:07,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:07,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455440208] [2024-11-27 19:51:07,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:07,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:07,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:07,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:07,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:07,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 864 out of 926 [2024-11-27 19:51:07,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 883 places, 885 transitions, 1780 flow. Second operand has 3 states, 3 states have (on average 865.3333333333334) internal successors, (2596), 3 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:07,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:07,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 864 of 926 [2024-11-27 19:51:07,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:09,416 INFO L124 PetriNetUnfolderBase]: 366/4265 cut-off events. [2024-11-27 19:51:09,417 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-27 19:51:09,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4889 conditions, 4265 events. 366/4265 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 32835 event pairs, 95 based on Foata normal form. 0/3784 useless extension candidates. Maximal degree in co-relation 4884. Up to 290 conditions per place. [2024-11-27 19:51:09,449 INFO L140 encePairwiseOnDemand]: 918/926 looper letters, 43 selfloop transitions, 6 changer transitions 0/908 dead transitions. [2024-11-27 19:51:09,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 885 places, 908 transitions, 1929 flow [2024-11-27 19:51:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2643 transitions. [2024-11-27 19:51:09,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9514038876889849 [2024-11-27 19:51:09,457 INFO L175 Difference]: Start difference. First operand has 883 places, 885 transitions, 1780 flow. Second operand 3 states and 2643 transitions. [2024-11-27 19:51:09,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 885 places, 908 transitions, 1929 flow [2024-11-27 19:51:09,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 885 places, 908 transitions, 1929 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:09,476 INFO L231 Difference]: Finished difference. Result has 887 places, 891 transitions, 1832 flow [2024-11-27 19:51:09,478 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=926, PETRI_DIFFERENCE_MINUEND_FLOW=1780, PETRI_DIFFERENCE_MINUEND_PLACES=883, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=885, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1832, PETRI_PLACES=887, PETRI_TRANSITIONS=891} [2024-11-27 19:51:09,482 INFO L279 CegarLoopForPetriNet]: 918 programPoint places, -31 predicate places. [2024-11-27 19:51:09,483 INFO L471 AbstractCegarLoop]: Abstraction has has 887 places, 891 transitions, 1832 flow [2024-11-27 19:51:09,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 865.3333333333334) internal successors, (2596), 3 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:09,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:09,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:09,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:51:09,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-27 19:51:09,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1583815760, now seen corresponding path program 1 times [2024-11-27 19:51:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968591678] [2024-11-27 19:51:09,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:10,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:10,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968591678] [2024-11-27 19:51:10,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968591678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:10,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:10,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:10,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586929188] [2024-11-27 19:51:10,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:10,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:10,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:10,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:10,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:10,110 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 860 out of 926 [2024-11-27 19:51:10,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 887 places, 891 transitions, 1832 flow. Second operand has 3 states, 3 states have (on average 862.0) internal successors, (2586), 3 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:10,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:10,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 860 of 926 [2024-11-27 19:51:10,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:12,479 INFO L124 PetriNetUnfolderBase]: 674/5421 cut-off events. [2024-11-27 19:51:12,479 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2024-11-27 19:51:12,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6677 conditions, 5421 events. 674/5421 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 45252 event pairs, 283 based on Foata normal form. 0/4759 useless extension candidates. Maximal degree in co-relation 6670. Up to 992 conditions per place. [2024-11-27 19:51:12,539 INFO L140 encePairwiseOnDemand]: 918/926 looper letters, 37 selfloop transitions, 7 changer transitions 0/905 dead transitions. [2024-11-27 19:51:12,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 905 transitions, 1953 flow [2024-11-27 19:51:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2625 transitions. [2024-11-27 19:51:12,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9449244060475162 [2024-11-27 19:51:12,546 INFO L175 Difference]: Start difference. First operand has 887 places, 891 transitions, 1832 flow. Second operand 3 states and 2625 transitions. [2024-11-27 19:51:12,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 905 transitions, 1953 flow [2024-11-27 19:51:12,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 887 places, 905 transitions, 1941 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:12,566 INFO L231 Difference]: Finished difference. Result has 889 places, 897 transitions, 1874 flow [2024-11-27 19:51:12,568 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=926, PETRI_DIFFERENCE_MINUEND_FLOW=1820, PETRI_DIFFERENCE_MINUEND_PLACES=885, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1874, PETRI_PLACES=889, PETRI_TRANSITIONS=897} [2024-11-27 19:51:12,569 INFO L279 CegarLoopForPetriNet]: 918 programPoint places, -29 predicate places. [2024-11-27 19:51:12,570 INFO L471 AbstractCegarLoop]: Abstraction has has 889 places, 897 transitions, 1874 flow [2024-11-27 19:51:12,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 862.0) internal successors, (2586), 3 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:12,572 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:12,573 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:12,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:51:12,573 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-27 19:51:12,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1953101125, now seen corresponding path program 1 times [2024-11-27 19:51:12,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:12,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787626478] [2024-11-27 19:51:12,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:12,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:51:12,915 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:51:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:51:13,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:51:13,317 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:51:13,318 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2024-11-27 19:51:13,318 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-27 19:51:13,318 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-27 19:51:13,318 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-27 19:51:13,318 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-27 19:51:13,318 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-27 19:51:13,319 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-27 19:51:13,320 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-27 19:51:13,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-27 19:51:13,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-27 19:51:13,323 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-27 19:51:13,325 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-27 19:51:13,325 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-27 19:51:13,325 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-27 19:51:13,326 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-27 19:51:13,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-27 19:51:13,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-27 19:51:13,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-27 19:51:13,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-27 19:51:13,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-27 19:51:13,327 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-27 19:51:13,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-27 19:51:13,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-27 19:51:13,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-27 19:51:13,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:51:13,333 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-27 19:51:13,333 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 19:51:13,333 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-27 19:51:13,530 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 19:51:13,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1042 places, 1054 transitions, 2126 flow [2024-11-27 19:51:14,164 INFO L124 PetriNetUnfolderBase]: 22/1082 cut-off events. [2024-11-27 19:51:14,164 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-27 19:51:14,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 1082 events. 22/1082 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1702 event pairs, 0 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 948. Up to 8 conditions per place. [2024-11-27 19:51:14,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 1042 places, 1054 transitions, 2126 flow [2024-11-27 19:51:14,195 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1042 places, 1054 transitions, 2126 flow [2024-11-27 19:51:14,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:51:14,197 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;@24d215c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:51:14,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2024-11-27 19:51:14,348 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:51:14,348 INFO L124 PetriNetUnfolderBase]: 1/670 cut-off events. [2024-11-27 19:51:14,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:51:14,348 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:14,349 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:14,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2024-11-27 19:51:14,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1465144531, now seen corresponding path program 1 times [2024-11-27 19:51:14,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:14,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815303715] [2024-11-27 19:51:14,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:14,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:16,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:16,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815303715] [2024-11-27 19:51:16,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815303715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:16,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:16,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 19:51:16,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907513049] [2024-11-27 19:51:16,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:16,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:51:16,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:16,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:51:16,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:51:16,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 974 out of 1054 [2024-11-27 19:51:16,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1042 places, 1054 transitions, 2126 flow. Second operand has 2 states, 2 states have (on average 975.0) internal successors, (1950), 2 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:16,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:16,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 974 of 1054 [2024-11-27 19:51:16,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:21,509 INFO L124 PetriNetUnfolderBase]: 1750/12706 cut-off events. [2024-11-27 19:51:21,509 INFO L125 PetriNetUnfolderBase]: For 391/391 co-relation queries the response was YES. [2024-11-27 19:51:21,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15179 conditions, 12706 events. 1750/12706 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 136183 event pairs, 962 based on Foata normal form. 956/12079 useless extension candidates. Maximal degree in co-relation 12718. Up to 2202 conditions per place. [2024-11-27 19:51:21,656 INFO L140 encePairwiseOnDemand]: 1001/1054 looper letters, 27 selfloop transitions, 0 changer transitions 0/995 dead transitions. [2024-11-27 19:51:21,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 991 places, 995 transitions, 2062 flow [2024-11-27 19:51:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:51:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-27 19:51:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2028 transitions. [2024-11-27 19:51:21,662 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9620493358633776 [2024-11-27 19:51:21,662 INFO L175 Difference]: Start difference. First operand has 1042 places, 1054 transitions, 2126 flow. Second operand 2 states and 2028 transitions. [2024-11-27 19:51:21,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 991 places, 995 transitions, 2062 flow [2024-11-27 19:51:21,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 991 places, 995 transitions, 2060 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:21,682 INFO L231 Difference]: Finished difference. Result has 991 places, 995 transitions, 2006 flow [2024-11-27 19:51:21,684 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=990, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=995, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2006, PETRI_PLACES=991, PETRI_TRANSITIONS=995} [2024-11-27 19:51:21,685 INFO L279 CegarLoopForPetriNet]: 1042 programPoint places, -51 predicate places. [2024-11-27 19:51:21,685 INFO L471 AbstractCegarLoop]: Abstraction has has 991 places, 995 transitions, 2006 flow [2024-11-27 19:51:21,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 975.0) internal successors, (1950), 2 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:21,686 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:21,687 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:21,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:51:21,687 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2024-11-27 19:51:21,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:21,690 INFO L85 PathProgramCache]: Analyzing trace with hash -745240778, now seen corresponding path program 1 times [2024-11-27 19:51:21,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:21,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715384858] [2024-11-27 19:51:21,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:22,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:22,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715384858] [2024-11-27 19:51:22,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715384858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:22,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:22,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176136565] [2024-11-27 19:51:22,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:22,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:22,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:22,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:22,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:22,278 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1054 [2024-11-27 19:51:22,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 991 places, 995 transitions, 2006 flow. Second operand has 3 states, 3 states have (on average 963.3333333333334) internal successors, (2890), 3 states have internal predecessors, (2890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:22,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:22,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1054 [2024-11-27 19:51:22,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:39,446 INFO L124 PetriNetUnfolderBase]: 9392/56089 cut-off events. [2024-11-27 19:51:39,447 INFO L125 PetriNetUnfolderBase]: For 718/718 co-relation queries the response was YES. [2024-11-27 19:51:39,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69296 conditions, 56089 events. 9392/56089 cut-off events. For 718/718 co-relation queries the response was YES. Maximal size of possible extension queue 1005. Compared 820319 event pairs, 2763 based on Foata normal form. 0/48618 useless extension candidates. Maximal degree in co-relation 69290. Up to 6318 conditions per place. [2024-11-27 19:51:40,010 INFO L140 encePairwiseOnDemand]: 1042/1054 looper letters, 65 selfloop transitions, 9 changer transitions 0/1030 dead transitions. [2024-11-27 19:51:40,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1030 transitions, 2234 flow [2024-11-27 19:51:40,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2963 transitions. [2024-11-27 19:51:40,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9370651486401012 [2024-11-27 19:51:40,020 INFO L175 Difference]: Start difference. First operand has 991 places, 995 transitions, 2006 flow. Second operand 3 states and 2963 transitions. [2024-11-27 19:51:40,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1030 transitions, 2234 flow [2024-11-27 19:51:40,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1030 transitions, 2234 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:40,037 INFO L231 Difference]: Finished difference. Result has 995 places, 1004 transitions, 2084 flow [2024-11-27 19:51:40,039 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=991, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2084, PETRI_PLACES=995, PETRI_TRANSITIONS=1004} [2024-11-27 19:51:40,040 INFO L279 CegarLoopForPetriNet]: 1042 programPoint places, -47 predicate places. [2024-11-27 19:51:40,041 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1004 transitions, 2084 flow [2024-11-27 19:51:40,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 963.3333333333334) internal successors, (2890), 3 states have internal predecessors, (2890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:40,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:40,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:40,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:51:40,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2024-11-27 19:51:40,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:40,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1810360783, now seen corresponding path program 1 times [2024-11-27 19:51:40,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:40,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759627782] [2024-11-27 19:51:40,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:40,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:40,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759627782] [2024-11-27 19:51:40,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759627782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:40,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:40,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:40,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934184704] [2024-11-27 19:51:40,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:40,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:40,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:40,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:40,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:40,763 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 959 out of 1054 [2024-11-27 19:51:40,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1004 transitions, 2084 flow. Second operand has 3 states, 3 states have (on average 961.0) internal successors, (2883), 3 states have internal predecessors, (2883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:40,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:40,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 959 of 1054 [2024-11-27 19:51:40,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:45,093 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4140] L766-->L766-3: Formula: (let ((.cse4 (select |v_#race_731| |v_~#m2~0.base_21|))) (let ((.cse2 (+ |v_~#m2~0.offset_21| 2)) (.cse1 (+ |v_~#m2~0.offset_21| 1)) (.cse5 (select |v_#memory_int_425| |v_~#m2~0.base_21|)) (.cse0 (select .cse4 |v_~#m2~0.offset_21|)) (.cse3 (+ |v_~#m2~0.offset_21| 3))) (and (= |v_#race_731| (store |v_#race_733| |v_~#m2~0.base_21| (store (store (store (store (select |v_#race_733| |v_~#m2~0.base_21|) |v_~#m2~0.offset_21| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0))) (= .cse0 (select .cse4 .cse2)) (not (= (ite (= (select .cse5 |v_~#m2~0.offset_21|) 1) 1 0) 0)) (= (select .cse4 .cse1) .cse0) (= |v_#memory_int_424| (store |v_#memory_int_425| |v_~#m2~0.base_21| (store .cse5 |v_~#m2~0.offset_21| 0))) (= .cse0 (select .cse4 .cse3))))) InVars {#race=|v_#race_733|, #memory_int=|v_#memory_int_425|, ~#m2~0.base=|v_~#m2~0.base_21|, ~#m2~0.offset=|v_~#m2~0.offset_21|} OutVars{#race=|v_#race_731|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_7|, #memory_int=|v_#memory_int_424|, ~#m2~0.base=|v_~#m2~0.base_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset_5|, ~#m2~0.offset=|v_~#m2~0.offset_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][760], [1039#true, 146#L766-3true, 625#L775-5true, 1047#true, 1045#true, 1052#true, 1041#true, 653#L766-3true, Black: 1049#(= |#race~state~0| 0), 499#L716true, 1043#true]) [2024-11-27 19:51:45,094 INFO L294 olderBase$Statistics]: this new event has 727 ancestors and is cut-off event [2024-11-27 19:51:45,094 INFO L297 olderBase$Statistics]: existing Event has 716 ancestors and is cut-off event [2024-11-27 19:51:45,094 INFO L297 olderBase$Statistics]: existing Event has 716 ancestors and is cut-off event [2024-11-27 19:51:45,094 INFO L297 olderBase$Statistics]: existing Event has 727 ancestors and is cut-off event [2024-11-27 19:51:45,284 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4140] L766-->L766-3: Formula: (let ((.cse4 (select |v_#race_731| |v_~#m2~0.base_21|))) (let ((.cse2 (+ |v_~#m2~0.offset_21| 2)) (.cse1 (+ |v_~#m2~0.offset_21| 1)) (.cse5 (select |v_#memory_int_425| |v_~#m2~0.base_21|)) (.cse0 (select .cse4 |v_~#m2~0.offset_21|)) (.cse3 (+ |v_~#m2~0.offset_21| 3))) (and (= |v_#race_731| (store |v_#race_733| |v_~#m2~0.base_21| (store (store (store (store (select |v_#race_733| |v_~#m2~0.base_21|) |v_~#m2~0.offset_21| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0))) (= .cse0 (select .cse4 .cse2)) (not (= (ite (= (select .cse5 |v_~#m2~0.offset_21|) 1) 1 0) 0)) (= (select .cse4 .cse1) .cse0) (= |v_#memory_int_424| (store |v_#memory_int_425| |v_~#m2~0.base_21| (store .cse5 |v_~#m2~0.offset_21| 0))) (= .cse0 (select .cse4 .cse3))))) InVars {#race=|v_#race_733|, #memory_int=|v_#memory_int_425|, ~#m2~0.base=|v_~#m2~0.base_21|, ~#m2~0.offset=|v_~#m2~0.offset_21|} OutVars{#race=|v_#race_731|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_7|, #memory_int=|v_#memory_int_424|, ~#m2~0.base=|v_~#m2~0.base_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset_5|, ~#m2~0.offset=|v_~#m2~0.offset_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][760], [1039#true, 146#L766-3true, 625#L775-5true, 1047#true, 1045#true, 385#L764true, 1052#true, 1041#true, 653#L766-3true, Black: 1049#(= |#race~state~0| 0), 1043#true]) [2024-11-27 19:51:45,284 INFO L294 olderBase$Statistics]: this new event has 728 ancestors and is cut-off event [2024-11-27 19:51:45,284 INFO L297 olderBase$Statistics]: existing Event has 728 ancestors and is cut-off event [2024-11-27 19:51:45,284 INFO L297 olderBase$Statistics]: existing Event has 717 ancestors and is cut-off event [2024-11-27 19:51:45,284 INFO L297 olderBase$Statistics]: existing Event has 717 ancestors and is cut-off event [2024-11-27 19:51:49,818 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4140] L766-->L766-3: Formula: (let ((.cse4 (select |v_#race_731| |v_~#m2~0.base_21|))) (let ((.cse2 (+ |v_~#m2~0.offset_21| 2)) (.cse1 (+ |v_~#m2~0.offset_21| 1)) (.cse5 (select |v_#memory_int_425| |v_~#m2~0.base_21|)) (.cse0 (select .cse4 |v_~#m2~0.offset_21|)) (.cse3 (+ |v_~#m2~0.offset_21| 3))) (and (= |v_#race_731| (store |v_#race_733| |v_~#m2~0.base_21| (store (store (store (store (select |v_#race_733| |v_~#m2~0.base_21|) |v_~#m2~0.offset_21| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0))) (= .cse0 (select .cse4 .cse2)) (not (= (ite (= (select .cse5 |v_~#m2~0.offset_21|) 1) 1 0) 0)) (= (select .cse4 .cse1) .cse0) (= |v_#memory_int_424| (store |v_#memory_int_425| |v_~#m2~0.base_21| (store .cse5 |v_~#m2~0.offset_21| 0))) (= .cse0 (select .cse4 .cse3))))) InVars {#race=|v_#race_733|, #memory_int=|v_#memory_int_425|, ~#m2~0.base=|v_~#m2~0.base_21|, ~#m2~0.offset=|v_~#m2~0.offset_21|} OutVars{#race=|v_#race_731|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_7|, #memory_int=|v_#memory_int_424|, ~#m2~0.base=|v_~#m2~0.base_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset_5|, ~#m2~0.offset=|v_~#m2~0.offset_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][760], [1039#true, 625#L775-5true, 1047#true, 1045#true, 1052#true, 1041#true, 714#L705-3true, 653#L766-3true, Black: 1049#(= |#race~state~0| 0), 499#L716true, 1043#true]) [2024-11-27 19:51:49,819 INFO L294 olderBase$Statistics]: this new event has 743 ancestors and is cut-off event [2024-11-27 19:51:49,819 INFO L297 olderBase$Statistics]: existing Event has 743 ancestors and is cut-off event [2024-11-27 19:51:49,819 INFO L297 olderBase$Statistics]: existing Event has 732 ancestors and is cut-off event [2024-11-27 19:51:49,819 INFO L297 olderBase$Statistics]: existing Event has 732 ancestors and is cut-off event [2024-11-27 19:51:50,084 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4140] L766-->L766-3: Formula: (let ((.cse4 (select |v_#race_731| |v_~#m2~0.base_21|))) (let ((.cse2 (+ |v_~#m2~0.offset_21| 2)) (.cse1 (+ |v_~#m2~0.offset_21| 1)) (.cse5 (select |v_#memory_int_425| |v_~#m2~0.base_21|)) (.cse0 (select .cse4 |v_~#m2~0.offset_21|)) (.cse3 (+ |v_~#m2~0.offset_21| 3))) (and (= |v_#race_731| (store |v_#race_733| |v_~#m2~0.base_21| (store (store (store (store (select |v_#race_733| |v_~#m2~0.base_21|) |v_~#m2~0.offset_21| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0))) (= .cse0 (select .cse4 .cse2)) (not (= (ite (= (select .cse5 |v_~#m2~0.offset_21|) 1) 1 0) 0)) (= (select .cse4 .cse1) .cse0) (= |v_#memory_int_424| (store |v_#memory_int_425| |v_~#m2~0.base_21| (store .cse5 |v_~#m2~0.offset_21| 0))) (= .cse0 (select .cse4 .cse3))))) InVars {#race=|v_#race_733|, #memory_int=|v_#memory_int_425|, ~#m2~0.base=|v_~#m2~0.base_21|, ~#m2~0.offset=|v_~#m2~0.offset_21|} OutVars{#race=|v_#race_731|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_7|, #memory_int=|v_#memory_int_424|, ~#m2~0.base=|v_~#m2~0.base_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset_5|, ~#m2~0.offset=|v_~#m2~0.offset_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][760], [1039#true, 625#L775-5true, 1047#true, 1045#true, 385#L764true, 1052#true, 1041#true, 714#L705-3true, 653#L766-3true, Black: 1049#(= |#race~state~0| 0), 1043#true]) [2024-11-27 19:51:50,084 INFO L294 olderBase$Statistics]: this new event has 744 ancestors and is cut-off event [2024-11-27 19:51:50,084 INFO L297 olderBase$Statistics]: existing Event has 733 ancestors and is cut-off event [2024-11-27 19:51:50,084 INFO L297 olderBase$Statistics]: existing Event has 744 ancestors and is cut-off event [2024-11-27 19:51:50,084 INFO L297 olderBase$Statistics]: existing Event has 733 ancestors and is cut-off event [2024-11-27 19:51:51,192 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4140] L766-->L766-3: Formula: (let ((.cse4 (select |v_#race_731| |v_~#m2~0.base_21|))) (let ((.cse2 (+ |v_~#m2~0.offset_21| 2)) (.cse1 (+ |v_~#m2~0.offset_21| 1)) (.cse5 (select |v_#memory_int_425| |v_~#m2~0.base_21|)) (.cse0 (select .cse4 |v_~#m2~0.offset_21|)) (.cse3 (+ |v_~#m2~0.offset_21| 3))) (and (= |v_#race_731| (store |v_#race_733| |v_~#m2~0.base_21| (store (store (store (store (select |v_#race_733| |v_~#m2~0.base_21|) |v_~#m2~0.offset_21| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0))) (= .cse0 (select .cse4 .cse2)) (not (= (ite (= (select .cse5 |v_~#m2~0.offset_21|) 1) 1 0) 0)) (= (select .cse4 .cse1) .cse0) (= |v_#memory_int_424| (store |v_#memory_int_425| |v_~#m2~0.base_21| (store .cse5 |v_~#m2~0.offset_21| 0))) (= .cse0 (select .cse4 .cse3))))) InVars {#race=|v_#race_733|, #memory_int=|v_#memory_int_425|, ~#m2~0.base=|v_~#m2~0.base_21|, ~#m2~0.offset=|v_~#m2~0.offset_21|} OutVars{#race=|v_#race_731|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_7|, #memory_int=|v_#memory_int_424|, ~#m2~0.base=|v_~#m2~0.base_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset_5|, ~#m2~0.offset=|v_~#m2~0.offset_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][760], [1039#true, 625#L775-5true, 1047#true, 1045#true, 1052#true, 1041#true, 653#L766-3true, Black: 1049#(= |#race~state~0| 0), 499#L716true, 1043#true, 921#L707-3true]) [2024-11-27 19:51:51,192 INFO L294 olderBase$Statistics]: this new event has 747 ancestors and is cut-off event [2024-11-27 19:51:51,192 INFO L297 olderBase$Statistics]: existing Event has 736 ancestors and is cut-off event [2024-11-27 19:51:51,192 INFO L297 olderBase$Statistics]: existing Event has 736 ancestors and is cut-off event [2024-11-27 19:51:51,192 INFO L297 olderBase$Statistics]: existing Event has 747 ancestors and is cut-off event [2024-11-27 19:51:51,499 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4140] L766-->L766-3: Formula: (let ((.cse4 (select |v_#race_731| |v_~#m2~0.base_21|))) (let ((.cse2 (+ |v_~#m2~0.offset_21| 2)) (.cse1 (+ |v_~#m2~0.offset_21| 1)) (.cse5 (select |v_#memory_int_425| |v_~#m2~0.base_21|)) (.cse0 (select .cse4 |v_~#m2~0.offset_21|)) (.cse3 (+ |v_~#m2~0.offset_21| 3))) (and (= |v_#race_731| (store |v_#race_733| |v_~#m2~0.base_21| (store (store (store (store (select |v_#race_733| |v_~#m2~0.base_21|) |v_~#m2~0.offset_21| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0))) (= .cse0 (select .cse4 .cse2)) (not (= (ite (= (select .cse5 |v_~#m2~0.offset_21|) 1) 1 0) 0)) (= (select .cse4 .cse1) .cse0) (= |v_#memory_int_424| (store |v_#memory_int_425| |v_~#m2~0.base_21| (store .cse5 |v_~#m2~0.offset_21| 0))) (= .cse0 (select .cse4 .cse3))))) InVars {#race=|v_#race_733|, #memory_int=|v_#memory_int_425|, ~#m2~0.base=|v_~#m2~0.base_21|, ~#m2~0.offset=|v_~#m2~0.offset_21|} OutVars{#race=|v_#race_731|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_7|, #memory_int=|v_#memory_int_424|, ~#m2~0.base=|v_~#m2~0.base_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset_5|, ~#m2~0.offset=|v_~#m2~0.offset_21|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base_5|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~nondet6#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem5#1, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.offset, thr1Thread3of3ForFork0___VERIFIER_atomic_release_#in~m#1.base, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][760], [1039#true, 625#L775-5true, 1047#true, 1045#true, 385#L764true, 1052#true, 1041#true, 653#L766-3true, Black: 1049#(= |#race~state~0| 0), 1043#true, 921#L707-3true]) [2024-11-27 19:51:51,499 INFO L294 olderBase$Statistics]: this new event has 748 ancestors and is cut-off event [2024-11-27 19:51:51,499 INFO L297 olderBase$Statistics]: existing Event has 748 ancestors and is cut-off event [2024-11-27 19:51:51,499 INFO L297 olderBase$Statistics]: existing Event has 737 ancestors and is cut-off event [2024-11-27 19:51:51,499 INFO L297 olderBase$Statistics]: existing Event has 737 ancestors and is cut-off event