./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.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_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/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_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/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_bc890843-47cf-490a-ba08-a6e3ff033b30/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 051706a1eb405a384d7cf371ab2d9b9605b94715fa3ad16d6c2eb8e3fbb8fc38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:40:14,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:40:14,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:40:14,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:40:14,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:40:14,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:40:14,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:40:14,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:40:14,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:40:14,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:40:14,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:40:14,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:40:14,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:40:14,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:40:14,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:40:14,686 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:40:14,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:40:14,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:40:14,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:40:14,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:40:14,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:40:14,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:40:14,689 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:40:14,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:14,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:14,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:14,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:40:14,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:14,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:14,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:14,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:40:14,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:40:14,691 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:40:14,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:40:14,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:40:14,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:40:14,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:40:14,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:40:14,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:40:14,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:40:14,692 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_bc890843-47cf-490a-ba08-a6e3ff033b30/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 -> 051706a1eb405a384d7cf371ab2d9b9605b94715fa3ad16d6c2eb8e3fbb8fc38 [2024-11-28 02:40:15,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:40:15,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:40:15,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:40:15,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:40:15,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:40:15,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i [2024-11-28 02:40:18,692 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/data/af675a1f7/e980a28f260b435dacfa9fda2d05172d/FLAGcd2d368b3 [2024-11-28 02:40:19,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:19,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i [2024-11-28 02:40:19,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/data/af675a1f7/e980a28f260b435dacfa9fda2d05172d/FLAGcd2d368b3 [2024-11-28 02:40:19,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/data/af675a1f7/e980a28f260b435dacfa9fda2d05172d [2024-11-28 02:40:19,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:19,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:19,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:19,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:19,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:19,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:19" (1/1) ... [2024-11-28 02:40:19,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d59e520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:19, skipping insertion in model container [2024-11-28 02:40:19,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:19" (1/1) ... [2024-11-28 02:40:19,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:19,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:19,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:40:19,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:20,088 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:40:20,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20 WrapperNode [2024-11-28 02:40:20,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:20,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:20,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:40:20,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:40:20,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,189 INFO L138 Inliner]: procedures = 243, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 274 [2024-11-28 02:40:20,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:20,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:40:20,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:40:20,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:40:20,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:40:20,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:40:20,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:40:20,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:40:20,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (1/1) ... [2024-11-28 02:40:20,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:20,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:20,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:40:20,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:40:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 02:40:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:40:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:40:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:40:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:40:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:40:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:40:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:40:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:40:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:40:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:40:20,378 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:40:20,662 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:40:20,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:40:21,549 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:40:21,550 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:40:21,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:40:21,597 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 02:40:21,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:21 BoogieIcfgContainer [2024-11-28 02:40:21,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:40:21,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:40:21,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:40:21,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:40:21,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:19" (1/3) ... [2024-11-28 02:40:21,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0f651b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:21, skipping insertion in model container [2024-11-28 02:40:21,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:20" (2/3) ... [2024-11-28 02:40:21,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0f651b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:21, skipping insertion in model container [2024-11-28 02:40:21,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:21" (3/3) ... [2024-11-28 02:40:21,610 INFO L128 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2024-11-28 02:40:21,631 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:40:21,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG arithmetic_prog_bad.i that has 3 procedures, 369 locations, 1 initial locations, 4 loop locations, and 15 error locations. [2024-11-28 02:40:21,634 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:40:21,824 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:40:21,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 375 places, 379 transitions, 772 flow [2024-11-28 02:40:22,108 INFO L124 PetriNetUnfolderBase]: 11/377 cut-off events. [2024-11-28 02:40:22,113 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:40:22,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 377 events. 11/377 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 287 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 296. Up to 3 conditions per place. [2024-11-28 02:40:22,130 INFO L82 GeneralOperation]: Start removeDead. Operand has 375 places, 379 transitions, 772 flow [2024-11-28 02:40:22,143 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 362 places, 363 transitions, 738 flow [2024-11-28 02:40:22,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:40:22,182 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;@2e85773b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:40:22,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-28 02:40:22,270 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:40:22,272 INFO L124 PetriNetUnfolderBase]: 0/241 cut-off events. [2024-11-28 02:40:22,272 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:40:22,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:22,274 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] [2024-11-28 02:40:22,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:22,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:22,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1069233197, now seen corresponding path program 1 times [2024-11-28 02:40:22,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:22,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368762241] [2024-11-28 02:40:22,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:22,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:23,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:23,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368762241] [2024-11-28 02:40:23,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368762241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:23,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:23,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:23,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923112579] [2024-11-28 02:40:23,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:23,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:23,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:23,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:23,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:23,314 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 379 [2024-11-28 02:40:23,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 363 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 348.3333333333333) internal successors, (1045), 3 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:23,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:23,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 379 [2024-11-28 02:40:23,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:23,667 INFO L124 PetriNetUnfolderBase]: 89/653 cut-off events. [2024-11-28 02:40:23,667 INFO L125 PetriNetUnfolderBase]: For 62/68 co-relation queries the response was YES. [2024-11-28 02:40:23,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 653 events. 89/653 cut-off events. For 62/68 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2069 event pairs, 53 based on Foata normal form. 23/614 useless extension candidates. Maximal degree in co-relation 517. Up to 163 conditions per place. [2024-11-28 02:40:23,677 INFO L140 encePairwiseOnDemand]: 372/379 looper letters, 21 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-28 02:40:23,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 358 transitions, 774 flow [2024-11-28 02:40:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1069 transitions. [2024-11-28 02:40:23,707 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.940193491644679 [2024-11-28 02:40:23,712 INFO L175 Difference]: Start difference. First operand has 362 places, 363 transitions, 738 flow. Second operand 3 states and 1069 transitions. [2024-11-28 02:40:23,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 358 transitions, 774 flow [2024-11-28 02:40:23,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 358 transitions, 766 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:40:23,741 INFO L231 Difference]: Finished difference. Result has 359 places, 358 transitions, 724 flow [2024-11-28 02:40:23,748 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=359, PETRI_TRANSITIONS=358} [2024-11-28 02:40:23,756 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -3 predicate places. [2024-11-28 02:40:23,756 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 358 transitions, 724 flow [2024-11-28 02:40:23,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.3333333333333) internal successors, (1045), 3 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:23,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:23,759 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] [2024-11-28 02:40:23,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:40:23,760 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:23,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:23,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2066001305, now seen corresponding path program 1 times [2024-11-28 02:40:23,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:23,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867482745] [2024-11-28 02:40:23,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:24,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:24,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867482745] [2024-11-28 02:40:24,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867482745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:24,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:24,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:24,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214844340] [2024-11-28 02:40:24,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:24,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:24,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:24,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:24,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:24,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 379 [2024-11-28 02:40:24,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 358 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:24,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:24,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 379 [2024-11-28 02:40:24,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:24,501 INFO L124 PetriNetUnfolderBase]: 75/700 cut-off events. [2024-11-28 02:40:24,501 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-28 02:40:24,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 700 events. 75/700 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2500 event pairs, 33 based on Foata normal form. 0/622 useless extension candidates. Maximal degree in co-relation 590. Up to 128 conditions per place. [2024-11-28 02:40:24,507 INFO L140 encePairwiseOnDemand]: 376/379 looper letters, 20 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-28 02:40:24,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 357 transitions, 766 flow [2024-11-28 02:40:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1067 transitions. [2024-11-28 02:40:24,511 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384344766930519 [2024-11-28 02:40:24,511 INFO L175 Difference]: Start difference. First operand has 359 places, 358 transitions, 724 flow. Second operand 3 states and 1067 transitions. [2024-11-28 02:40:24,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 357 transitions, 766 flow [2024-11-28 02:40:24,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 357 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:24,520 INFO L231 Difference]: Finished difference. Result has 358 places, 357 transitions, 722 flow [2024-11-28 02:40:24,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=358, PETRI_TRANSITIONS=357} [2024-11-28 02:40:24,522 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -4 predicate places. [2024-11-28 02:40:24,522 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 357 transitions, 722 flow [2024-11-28 02:40:24,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:24,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:24,524 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] [2024-11-28 02:40:24,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:40:24,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:24,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:24,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1614570986, now seen corresponding path program 1 times [2024-11-28 02:40:24,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:24,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778993811] [2024-11-28 02:40:24,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:24,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:24,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778993811] [2024-11-28 02:40:24,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778993811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:24,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:24,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:24,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107702609] [2024-11-28 02:40:24,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:24,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:24,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:24,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:24,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:24,860 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 379 [2024-11-28 02:40:24,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 357 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:24,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:24,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 379 [2024-11-28 02:40:24,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:25,305 INFO L124 PetriNetUnfolderBase]: 207/1202 cut-off events. [2024-11-28 02:40:25,306 INFO L125 PetriNetUnfolderBase]: For 29/38 co-relation queries the response was YES. [2024-11-28 02:40:25,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1622 conditions, 1202 events. 207/1202 cut-off events. For 29/38 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6048 event pairs, 55 based on Foata normal form. 1/1072 useless extension candidates. Maximal degree in co-relation 1368. Up to 266 conditions per place. [2024-11-28 02:40:25,314 INFO L140 encePairwiseOnDemand]: 365/379 looper letters, 37 selfloop transitions, 10 changer transitions 0/377 dead transitions. [2024-11-28 02:40:25,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 377 transitions, 858 flow [2024-11-28 02:40:25,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2024-11-28 02:40:25,323 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9551451187335093 [2024-11-28 02:40:25,324 INFO L175 Difference]: Start difference. First operand has 358 places, 357 transitions, 722 flow. Second operand 3 states and 1086 transitions. [2024-11-28 02:40:25,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 377 transitions, 858 flow [2024-11-28 02:40:25,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 377 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:25,333 INFO L231 Difference]: Finished difference. Result has 360 places, 367 transitions, 806 flow [2024-11-28 02:40:25,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=360, PETRI_TRANSITIONS=367} [2024-11-28 02:40:25,336 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -2 predicate places. [2024-11-28 02:40:25,337 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 367 transitions, 806 flow [2024-11-28 02:40:25,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:25,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:25,339 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] [2024-11-28 02:40:25,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:40:25,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:25,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1558264340, now seen corresponding path program 1 times [2024-11-28 02:40:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:25,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164782612] [2024-11-28 02:40:25,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:25,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:25,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:25,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164782612] [2024-11-28 02:40:25,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164782612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:25,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:25,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:40:25,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695459058] [2024-11-28 02:40:25,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:25,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:25,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:25,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:25,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:25,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 379 [2024-11-28 02:40:25,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 367 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:25,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:25,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 379 [2024-11-28 02:40:25,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:26,252 INFO L124 PetriNetUnfolderBase]: 266/1801 cut-off events. [2024-11-28 02:40:26,252 INFO L125 PetriNetUnfolderBase]: For 119/121 co-relation queries the response was YES. [2024-11-28 02:40:26,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2548 conditions, 1801 events. 266/1801 cut-off events. For 119/121 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11171 event pairs, 87 based on Foata normal form. 6/1609 useless extension candidates. Maximal degree in co-relation 2027. Up to 260 conditions per place. [2024-11-28 02:40:26,266 INFO L140 encePairwiseOnDemand]: 376/379 looper letters, 24 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2024-11-28 02:40:26,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 377 transitions, 879 flow [2024-11-28 02:40:26,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1095 transitions. [2024-11-28 02:40:26,271 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9630606860158312 [2024-11-28 02:40:26,271 INFO L175 Difference]: Start difference. First operand has 360 places, 367 transitions, 806 flow. Second operand 3 states and 1095 transitions. [2024-11-28 02:40:26,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 377 transitions, 879 flow [2024-11-28 02:40:26,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 377 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:26,286 INFO L231 Difference]: Finished difference. Result has 361 places, 368 transitions, 798 flow [2024-11-28 02:40:26,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=361, PETRI_TRANSITIONS=368} [2024-11-28 02:40:26,288 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -1 predicate places. [2024-11-28 02:40:26,288 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 368 transitions, 798 flow [2024-11-28 02:40:26,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:26,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:26,290 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] [2024-11-28 02:40:26,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:40:26,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:26,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:26,292 INFO L85 PathProgramCache]: Analyzing trace with hash -359767561, now seen corresponding path program 1 times [2024-11-28 02:40:26,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:26,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448076822] [2024-11-28 02:40:26,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:26,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:26,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:26,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448076822] [2024-11-28 02:40:26,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448076822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:26,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:26,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:26,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827804405] [2024-11-28 02:40:26,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:26,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:26,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:26,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:26,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:26,614 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 379 [2024-11-28 02:40:26,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 368 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:26,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:26,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 379 [2024-11-28 02:40:26,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:27,220 INFO L124 PetriNetUnfolderBase]: 443/2130 cut-off events. [2024-11-28 02:40:27,221 INFO L125 PetriNetUnfolderBase]: For 279/326 co-relation queries the response was YES. [2024-11-28 02:40:27,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3376 conditions, 2130 events. 443/2130 cut-off events. For 279/326 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 13576 event pairs, 166 based on Foata normal form. 15/1919 useless extension candidates. Maximal degree in co-relation 2861. Up to 688 conditions per place. [2024-11-28 02:40:27,238 INFO L140 encePairwiseOnDemand]: 372/379 looper letters, 32 selfloop transitions, 10 changer transitions 0/381 dead transitions. [2024-11-28 02:40:27,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 381 transitions, 921 flow [2024-11-28 02:40:27,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1081 transitions. [2024-11-28 02:40:27,242 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9507475813544415 [2024-11-28 02:40:27,243 INFO L175 Difference]: Start difference. First operand has 361 places, 368 transitions, 798 flow. Second operand 3 states and 1081 transitions. [2024-11-28 02:40:27,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 381 transitions, 921 flow [2024-11-28 02:40:27,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 381 transitions, 919 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:40:27,253 INFO L231 Difference]: Finished difference. Result has 364 places, 376 transitions, 882 flow [2024-11-28 02:40:27,253 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=364, PETRI_TRANSITIONS=376} [2024-11-28 02:40:27,254 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, 2 predicate places. [2024-11-28 02:40:27,254 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 376 transitions, 882 flow [2024-11-28 02:40:27,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:27,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:27,255 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] [2024-11-28 02:40:27,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:40:27,255 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:27,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:27,259 INFO L85 PathProgramCache]: Analyzing trace with hash 797409519, now seen corresponding path program 1 times [2024-11-28 02:40:27,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:27,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956431207] [2024-11-28 02:40:27,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:27,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:27,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956431207] [2024-11-28 02:40:27,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956431207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:27,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:40:27,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200825964] [2024-11-28 02:40:27,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:27,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:27,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:27,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:27,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:27,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 379 [2024-11-28 02:40:27,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 376 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:27,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:27,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 379 [2024-11-28 02:40:27,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:27,904 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([848] L881-5-->L880-1: Formula: (= |v_#race~num~0_1| 0) InVars {} OutVars{#race~num~0=|v_#race~num~0_1|} AuxVars[] AssignedVars[#race~num~0][294], [Black: 384#true, 400#(= ~num~0 0), 227#L880-1true, 161#L914-4true, 391#(= thread2Thread1of1ForFork0_~j~0 0), 250#L894-2true, Black: 395#(= |thread1Thread1of1ForFork1_#t~nondet8| |#race~num~0|), 393#true]) [2024-11-28 02:40:27,906 INFO L294 olderBase$Statistics]: this new event has 304 ancestors and is cut-off event [2024-11-28 02:40:27,907 INFO L297 olderBase$Statistics]: existing Event has 279 ancestors and is cut-off event [2024-11-28 02:40:27,907 INFO L297 olderBase$Statistics]: existing Event has 274 ancestors and is cut-off event [2024-11-28 02:40:27,907 INFO L297 olderBase$Statistics]: existing Event has 299 ancestors and is cut-off event [2024-11-28 02:40:28,354 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([848] L881-5-->L880-1: Formula: (= |v_#race~num~0_1| 0) InVars {} OutVars{#race~num~0=|v_#race~num~0_1|} AuxVars[] AssignedVars[#race~num~0][294], [227#L880-1true, Black: 384#true, 161#L914-4true, 398#true, Black: 391#(= thread2Thread1of1ForFork0_~j~0 0), 250#L894-2true, Black: 395#(= |thread1Thread1of1ForFork1_#t~nondet8| |#race~num~0|), 393#true]) [2024-11-28 02:40:28,356 INFO L294 olderBase$Statistics]: this new event has 346 ancestors and is cut-off event [2024-11-28 02:40:28,356 INFO L297 olderBase$Statistics]: existing Event has 321 ancestors and is cut-off event [2024-11-28 02:40:28,356 INFO L297 olderBase$Statistics]: existing Event has 321 ancestors and is cut-off event [2024-11-28 02:40:28,356 INFO L297 olderBase$Statistics]: existing Event has 326 ancestors and is cut-off event [2024-11-28 02:40:28,370 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([848] L881-5-->L880-1: Formula: (= |v_#race~num~0_1| 0) InVars {} OutVars{#race~num~0=|v_#race~num~0_1|} AuxVars[] AssignedVars[#race~num~0][294], [227#L880-1true, Black: 384#true, 161#L914-4true, 398#true, 250#L894-2true, Black: 391#(= thread2Thread1of1ForFork0_~j~0 0), Black: 395#(= |thread1Thread1of1ForFork1_#t~nondet8| |#race~num~0|), 393#true]) [2024-11-28 02:40:28,370 INFO L294 olderBase$Statistics]: this new event has 351 ancestors and is cut-off event [2024-11-28 02:40:28,370 INFO L297 olderBase$Statistics]: existing Event has 321 ancestors and is cut-off event [2024-11-28 02:40:28,371 INFO L297 olderBase$Statistics]: existing Event has 346 ancestors and is cut-off event [2024-11-28 02:40:28,371 INFO L297 olderBase$Statistics]: existing Event has 321 ancestors and is cut-off event [2024-11-28 02:40:28,371 INFO L297 olderBase$Statistics]: existing Event has 326 ancestors and is cut-off event [2024-11-28 02:40:28,371 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([848] L881-5-->L880-1: Formula: (= |v_#race~num~0_1| 0) InVars {} OutVars{#race~num~0=|v_#race~num~0_1|} AuxVars[] AssignedVars[#race~num~0][294], [227#L880-1true, Black: 384#true, 161#L914-4true, 398#true, 229#L894-1true, Black: 391#(= thread2Thread1of1ForFork0_~j~0 0), Black: 395#(= |thread1Thread1of1ForFork1_#t~nondet8| |#race~num~0|), 393#true]) [2024-11-28 02:40:28,371 INFO L294 olderBase$Statistics]: this new event has 350 ancestors and is cut-off event [2024-11-28 02:40:28,371 INFO L297 olderBase$Statistics]: existing Event has 345 ancestors and is cut-off event [2024-11-28 02:40:28,371 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is cut-off event [2024-11-28 02:40:28,372 INFO L297 olderBase$Statistics]: existing Event has 320 ancestors and is cut-off event [2024-11-28 02:40:28,375 INFO L124 PetriNetUnfolderBase]: 542/2486 cut-off events. [2024-11-28 02:40:28,376 INFO L125 PetriNetUnfolderBase]: For 440/476 co-relation queries the response was YES. [2024-11-28 02:40:28,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4134 conditions, 2486 events. 542/2486 cut-off events. For 440/476 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 16014 event pairs, 154 based on Foata normal form. 21/2212 useless extension candidates. Maximal degree in co-relation 3514. Up to 449 conditions per place. [2024-11-28 02:40:28,397 INFO L140 encePairwiseOnDemand]: 374/379 looper letters, 27 selfloop transitions, 3 changer transitions 0/387 dead transitions. [2024-11-28 02:40:28,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 387 transitions, 966 flow [2024-11-28 02:40:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2024-11-28 02:40:28,403 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9595426561125769 [2024-11-28 02:40:28,404 INFO L175 Difference]: Start difference. First operand has 364 places, 376 transitions, 882 flow. Second operand 3 states and 1091 transitions. [2024-11-28 02:40:28,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 387 transitions, 966 flow [2024-11-28 02:40:28,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 387 transitions, 946 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:28,419 INFO L231 Difference]: Finished difference. Result has 366 places, 378 transitions, 886 flow [2024-11-28 02:40:28,420 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=366, PETRI_TRANSITIONS=378} [2024-11-28 02:40:28,422 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, 4 predicate places. [2024-11-28 02:40:28,423 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 378 transitions, 886 flow [2024-11-28 02:40:28,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:28,424 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:28,424 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] [2024-11-28 02:40:28,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:40:28,425 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:28,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:28,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1467562875, now seen corresponding path program 1 times [2024-11-28 02:40:28,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:28,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105353241] [2024-11-28 02:40:28,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:28,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:29,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:29,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105353241] [2024-11-28 02:40:29,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105353241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:29,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:29,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:40:29,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683399301] [2024-11-28 02:40:29,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:29,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:29,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:29,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:29,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:29,086 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 379 [2024-11-28 02:40:29,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 378 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:29,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:29,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 379 [2024-11-28 02:40:29,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:29,348 INFO L124 PetriNetUnfolderBase]: 51/770 cut-off events. [2024-11-28 02:40:29,349 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-11-28 02:40:29,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 770 events. 51/770 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2221 event pairs, 7 based on Foata normal form. 22/759 useless extension candidates. Maximal degree in co-relation 553. Up to 87 conditions per place. [2024-11-28 02:40:29,353 INFO L140 encePairwiseOnDemand]: 371/379 looper letters, 8 selfloop transitions, 8 changer transitions 0/359 dead transitions. [2024-11-28 02:40:29,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 359 transitions, 822 flow [2024-11-28 02:40:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1094 transitions. [2024-11-28 02:40:29,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9621811785400176 [2024-11-28 02:40:29,358 INFO L175 Difference]: Start difference. First operand has 366 places, 378 transitions, 886 flow. Second operand 3 states and 1094 transitions. [2024-11-28 02:40:29,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 359 transitions, 822 flow [2024-11-28 02:40:29,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 359 transitions, 790 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-11-28 02:40:29,369 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 768 flow [2024-11-28 02:40:29,370 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=768, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2024-11-28 02:40:29,370 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -3 predicate places. [2024-11-28 02:40:29,371 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 768 flow [2024-11-28 02:40:29,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:29,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:29,372 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] [2024-11-28 02:40:29,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:40:29,372 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:29,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:29,374 INFO L85 PathProgramCache]: Analyzing trace with hash 322261229, now seen corresponding path program 1 times [2024-11-28 02:40:29,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:29,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557668718] [2024-11-28 02:40:29,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:29,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:29,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:29,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557668718] [2024-11-28 02:40:29,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557668718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:29,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:29,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:29,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266471238] [2024-11-28 02:40:29,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:29,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:29,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:29,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:29,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:29,706 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 379 [2024-11-28 02:40:29,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 768 flow. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:29,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:29,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 379 [2024-11-28 02:40:29,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:30,014 INFO L124 PetriNetUnfolderBase]: 80/845 cut-off events. [2024-11-28 02:40:30,015 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-28 02:40:30,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 845 events. 80/845 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2906 event pairs, 22 based on Foata normal form. 1/812 useless extension candidates. Maximal degree in co-relation 674. Up to 115 conditions per place. [2024-11-28 02:40:30,020 INFO L140 encePairwiseOnDemand]: 371/379 looper letters, 20 selfloop transitions, 4 changer transitions 3/359 dead transitions. [2024-11-28 02:40:30,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 831 flow [2024-11-28 02:40:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2024-11-28 02:40:30,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9428320140721196 [2024-11-28 02:40:30,026 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 768 flow. Second operand 3 states and 1072 transitions. [2024-11-28 02:40:30,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 831 flow [2024-11-28 02:40:30,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 359 transitions, 819 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:40:30,034 INFO L231 Difference]: Finished difference. Result has 357 places, 351 transitions, 756 flow [2024-11-28 02:40:30,035 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=357, PETRI_TRANSITIONS=351} [2024-11-28 02:40:30,036 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -5 predicate places. [2024-11-28 02:40:30,036 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 351 transitions, 756 flow [2024-11-28 02:40:30,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:30,037 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:30,037 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] [2024-11-28 02:40:30,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:40:30,040 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:30,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1486792243, now seen corresponding path program 1 times [2024-11-28 02:40:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:30,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872653434] [2024-11-28 02:40:30,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:30,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:30,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872653434] [2024-11-28 02:40:30,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872653434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:30,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:30,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:30,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115272666] [2024-11-28 02:40:30,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:30,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:30,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:30,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:30,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:30,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 379 [2024-11-28 02:40:30,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 351 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:30,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:30,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 379 [2024-11-28 02:40:30,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:30,527 INFO L124 PetriNetUnfolderBase]: 75/808 cut-off events. [2024-11-28 02:40:30,527 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-11-28 02:40:30,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 808 events. 75/808 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2694 event pairs, 29 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 598. Up to 142 conditions per place. [2024-11-28 02:40:30,532 INFO L140 encePairwiseOnDemand]: 376/379 looper letters, 19 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2024-11-28 02:40:30,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 351 transitions, 799 flow [2024-11-28 02:40:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2024-11-28 02:40:30,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9428320140721196 [2024-11-28 02:40:30,536 INFO L175 Difference]: Start difference. First operand has 357 places, 351 transitions, 756 flow. Second operand 3 states and 1072 transitions. [2024-11-28 02:40:30,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 351 transitions, 799 flow [2024-11-28 02:40:30,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 351 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:30,545 INFO L231 Difference]: Finished difference. Result has 353 places, 350 transitions, 750 flow [2024-11-28 02:40:30,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=353, PETRI_TRANSITIONS=350} [2024-11-28 02:40:30,546 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -9 predicate places. [2024-11-28 02:40:30,546 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 350 transitions, 750 flow [2024-11-28 02:40:30,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:30,548 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:30,548 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] [2024-11-28 02:40:30,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:40:30,548 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:30,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:30,550 INFO L85 PathProgramCache]: Analyzing trace with hash 792697173, now seen corresponding path program 1 times [2024-11-28 02:40:30,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:30,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476755584] [2024-11-28 02:40:30,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:30,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:30,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:30,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476755584] [2024-11-28 02:40:30,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476755584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:30,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:30,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:30,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33988462] [2024-11-28 02:40:30,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:30,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:30,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:30,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:30,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:30,773 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 379 [2024-11-28 02:40:30,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 350 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 353.6666666666667) internal successors, (1061), 3 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:30,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:30,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 379 [2024-11-28 02:40:30,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:30,983 INFO L124 PetriNetUnfolderBase]: 71/763 cut-off events. [2024-11-28 02:40:30,983 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2024-11-28 02:40:30,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 763 events. 71/763 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2372 event pairs, 30 based on Foata normal form. 0/744 useless extension candidates. Maximal degree in co-relation 611. Up to 176 conditions per place. [2024-11-28 02:40:30,987 INFO L140 encePairwiseOnDemand]: 376/379 looper letters, 23 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2024-11-28 02:40:30,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 350 transitions, 801 flow [2024-11-28 02:40:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1071 transitions. [2024-11-28 02:40:30,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.941952506596306 [2024-11-28 02:40:30,991 INFO L175 Difference]: Start difference. First operand has 353 places, 350 transitions, 750 flow. Second operand 3 states and 1071 transitions. [2024-11-28 02:40:30,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 350 transitions, 801 flow [2024-11-28 02:40:30,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 350 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:31,019 INFO L231 Difference]: Finished difference. Result has 352 places, 349 transitions, 748 flow [2024-11-28 02:40:31,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=352, PETRI_TRANSITIONS=349} [2024-11-28 02:40:31,021 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -10 predicate places. [2024-11-28 02:40:31,021 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 349 transitions, 748 flow [2024-11-28 02:40:31,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.6666666666667) internal successors, (1061), 3 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:31,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:31,022 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] [2024-11-28 02:40:31,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:40:31,025 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:31,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash 660233812, now seen corresponding path program 1 times [2024-11-28 02:40:31,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:31,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348990088] [2024-11-28 02:40:31,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:31,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:40:31,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:31,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348990088] [2024-11-28 02:40:31,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348990088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:31,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:31,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:40:31,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719170098] [2024-11-28 02:40:31,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:31,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:31,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:31,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:31,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:31,501 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 379 [2024-11-28 02:40:31,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 349 transitions, 748 flow. Second operand has 5 states, 5 states have (on average 356.4) internal successors, (1782), 5 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:31,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:31,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 379 [2024-11-28 02:40:31,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:31,961 INFO L124 PetriNetUnfolderBase]: 146/1208 cut-off events. [2024-11-28 02:40:31,961 INFO L125 PetriNetUnfolderBase]: For 105/106 co-relation queries the response was YES. [2024-11-28 02:40:31,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1748 conditions, 1208 events. 146/1208 cut-off events. For 105/106 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4956 event pairs, 34 based on Foata normal form. 7/1177 useless extension candidates. Maximal degree in co-relation 1150. Up to 127 conditions per place. [2024-11-28 02:40:31,969 INFO L140 encePairwiseOnDemand]: 374/379 looper letters, 46 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-11-28 02:40:31,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 381 transitions, 944 flow [2024-11-28 02:40:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:40:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2176 transitions. [2024-11-28 02:40:31,976 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9569041336851363 [2024-11-28 02:40:31,976 INFO L175 Difference]: Start difference. First operand has 352 places, 349 transitions, 748 flow. Second operand 6 states and 2176 transitions. [2024-11-28 02:40:31,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 381 transitions, 944 flow [2024-11-28 02:40:31,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 381 transitions, 940 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:31,986 INFO L231 Difference]: Finished difference. Result has 358 places, 352 transitions, 776 flow [2024-11-28 02:40:31,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=776, PETRI_PLACES=358, PETRI_TRANSITIONS=352} [2024-11-28 02:40:31,987 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -4 predicate places. [2024-11-28 02:40:31,987 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 352 transitions, 776 flow [2024-11-28 02:40:31,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 356.4) internal successors, (1782), 5 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:31,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:31,990 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:31,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:40:31,990 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:31,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash 746353595, now seen corresponding path program 2 times [2024-11-28 02:40:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:31,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378823049] [2024-11-28 02:40:31,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:40:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:32,078 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:40:32,079 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:40:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-28 02:40:32,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:32,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378823049] [2024-11-28 02:40:32,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378823049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:32,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:32,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:32,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530227767] [2024-11-28 02:40:32,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:32,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:32,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:32,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:32,236 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 379 [2024-11-28 02:40:32,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 352 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:32,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:32,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 379 [2024-11-28 02:40:32,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:32,549 INFO L124 PetriNetUnfolderBase]: 111/1060 cut-off events. [2024-11-28 02:40:32,550 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-28 02:40:32,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1528 conditions, 1060 events. 111/1060 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4025 event pairs, 39 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 933. Up to 189 conditions per place. [2024-11-28 02:40:32,556 INFO L140 encePairwiseOnDemand]: 376/379 looper letters, 23 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-28 02:40:32,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 356 transitions, 839 flow [2024-11-28 02:40:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1076 transitions. [2024-11-28 02:40:32,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9463500439753738 [2024-11-28 02:40:32,561 INFO L175 Difference]: Start difference. First operand has 358 places, 352 transitions, 776 flow. Second operand 3 states and 1076 transitions. [2024-11-28 02:40:32,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 356 transitions, 839 flow [2024-11-28 02:40:32,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 356 transitions, 833 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:32,569 INFO L231 Difference]: Finished difference. Result has 357 places, 351 transitions, 772 flow [2024-11-28 02:40:32,570 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=357, PETRI_TRANSITIONS=351} [2024-11-28 02:40:32,571 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -5 predicate places. [2024-11-28 02:40:32,571 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 351 transitions, 772 flow [2024-11-28 02:40:32,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:32,572 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:32,572 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:32,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:40:32,573 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:32,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:32,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1797803976, now seen corresponding path program 1 times [2024-11-28 02:40:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:32,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227778820] [2024-11-28 02:40:32,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:40:32,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:32,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227778820] [2024-11-28 02:40:32,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227778820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:32,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:32,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:32,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186751599] [2024-11-28 02:40:32,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:32,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:32,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:32,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:32,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:32,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 379 [2024-11-28 02:40:32,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 351 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 357.0) internal successors, (1071), 3 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:32,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:32,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 379 [2024-11-28 02:40:32,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:33,110 INFO L124 PetriNetUnfolderBase]: 98/1009 cut-off events. [2024-11-28 02:40:33,110 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-28 02:40:33,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 1009 events. 98/1009 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3547 event pairs, 29 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 1191. Up to 153 conditions per place. [2024-11-28 02:40:33,116 INFO L140 encePairwiseOnDemand]: 376/379 looper letters, 20 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-28 02:40:33,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 355 transitions, 829 flow [2024-11-28 02:40:33,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2024-11-28 02:40:33,124 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9542656112576957 [2024-11-28 02:40:33,124 INFO L175 Difference]: Start difference. First operand has 357 places, 351 transitions, 772 flow. Second operand 3 states and 1085 transitions. [2024-11-28 02:40:33,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 355 transitions, 829 flow [2024-11-28 02:40:33,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 355 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:33,135 INFO L231 Difference]: Finished difference. Result has 356 places, 350 transitions, 770 flow [2024-11-28 02:40:33,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=356, PETRI_TRANSITIONS=350} [2024-11-28 02:40:33,137 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, -6 predicate places. [2024-11-28 02:40:33,137 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 350 transitions, 770 flow [2024-11-28 02:40:33,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 357.0) internal successors, (1071), 3 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:33,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:33,139 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:33,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:40:33,140 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:33,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:33,142 INFO L85 PathProgramCache]: Analyzing trace with hash 913780764, now seen corresponding path program 1 times [2024-11-28 02:40:33,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:33,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664471173] [2024-11-28 02:40:33,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:33,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-28 02:40:33,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:33,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664471173] [2024-11-28 02:40:33,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664471173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:33,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:33,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:40:33,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338300217] [2024-11-28 02:40:33,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:33,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:33,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:33,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:33,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:33,673 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 379 [2024-11-28 02:40:33,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 350 transitions, 770 flow. Second operand has 5 states, 5 states have (on average 356.8) internal successors, (1784), 5 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:33,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:33,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 379 [2024-11-28 02:40:33,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:34,348 INFO L124 PetriNetUnfolderBase]: 275/2010 cut-off events. [2024-11-28 02:40:34,348 INFO L125 PetriNetUnfolderBase]: For 127/140 co-relation queries the response was YES. [2024-11-28 02:40:34,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 2010 events. 275/2010 cut-off events. For 127/140 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10658 event pairs, 74 based on Foata normal form. 21/1971 useless extension candidates. Maximal degree in co-relation 3010. Up to 298 conditions per place. [2024-11-28 02:40:34,361 INFO L140 encePairwiseOnDemand]: 374/379 looper letters, 44 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-11-28 02:40:34,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 381 transitions, 956 flow [2024-11-28 02:40:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:40:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:40:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2175 transitions. [2024-11-28 02:40:34,367 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9564643799472295 [2024-11-28 02:40:34,368 INFO L175 Difference]: Start difference. First operand has 356 places, 350 transitions, 770 flow. Second operand 6 states and 2175 transitions. [2024-11-28 02:40:34,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 381 transitions, 956 flow [2024-11-28 02:40:34,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 381 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:40:34,376 INFO L231 Difference]: Finished difference. Result has 362 places, 354 transitions, 800 flow [2024-11-28 02:40:34,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=800, PETRI_PLACES=362, PETRI_TRANSITIONS=354} [2024-11-28 02:40:34,378 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, 0 predicate places. [2024-11-28 02:40:34,378 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 354 transitions, 800 flow [2024-11-28 02:40:34,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 356.8) internal successors, (1784), 5 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:34,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:40:34,381 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:34,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:40:34,381 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-28 02:40:34,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:34,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1456473050, now seen corresponding path program 2 times [2024-11-28 02:40:34,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:34,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392887834] [2024-11-28 02:40:34,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:40:34,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:34,474 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:40:34,474 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:40:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 02:40:34,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:34,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392887834] [2024-11-28 02:40:34,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392887834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:34,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:34,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:40:34,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648756272] [2024-11-28 02:40:34,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:34,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:34,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:34,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:34,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:34,594 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 379 [2024-11-28 02:40:34,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 354 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:34,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:40:34,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 379 [2024-11-28 02:40:34,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:40:35,032 INFO L124 PetriNetUnfolderBase]: 119/1509 cut-off events. [2024-11-28 02:40:35,033 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES. [2024-11-28 02:40:35,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2196 conditions, 1509 events. 119/1509 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7153 event pairs, 44 based on Foata normal form. 1/1484 useless extension candidates. Maximal degree in co-relation 1570. Up to 228 conditions per place. [2024-11-28 02:40:35,039 INFO L140 encePairwiseOnDemand]: 377/379 looper letters, 0 selfloop transitions, 0 changer transitions 353/353 dead transitions. [2024-11-28 02:40:35,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 353 transitions, 826 flow [2024-11-28 02:40:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:40:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1083 transitions. [2024-11-28 02:40:35,043 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525065963060686 [2024-11-28 02:40:35,043 INFO L175 Difference]: Start difference. First operand has 362 places, 354 transitions, 800 flow. Second operand 3 states and 1083 transitions. [2024-11-28 02:40:35,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 353 transitions, 826 flow [2024-11-28 02:40:35,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 353 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:40:35,051 INFO L231 Difference]: Finished difference. Result has 363 places, 0 transitions, 0 flow [2024-11-28 02:40:35,051 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=363, PETRI_TRANSITIONS=0} [2024-11-28 02:40:35,052 INFO L279 CegarLoopForPetriNet]: 362 programPoint places, 1 predicate places. [2024-11-28 02:40:35,052 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 0 transitions, 0 flow [2024-11-28 02:40:35,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:40:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2024-11-28 02:40:35,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2024-11-28 02:40:35,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2024-11-28 02:40:35,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2024-11-28 02:40:35,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2024-11-28 02:40:35,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2024-11-28 02:40:35,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2024-11-28 02:40:35,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2024-11-28 02:40:35,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:40:35,061 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:35,070 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:40:35,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:40:35,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:40:35 BasicIcfg [2024-11-28 02:40:35,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:40:35,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:40:35,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:40:35,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:40:35,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:21" (3/4) ... [2024-11-28 02:40:35,085 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:40:35,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:40:35,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:40:35,100 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 02:40:35,101 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 02:40:35,101 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:40:35,102 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:40:35,210 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:40:35,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:40:35,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:40:35,212 INFO L158 Benchmark]: Toolchain (without parser) took 16031.35ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 91.2MB in the beginning and 236.6MB in the end (delta: -145.5MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2024-11-28 02:40:35,212 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:35,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.24ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:40:35,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.71ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:35,213 INFO L158 Benchmark]: Boogie Preprocessor took 85.83ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:35,214 INFO L158 Benchmark]: RCFGBuilder took 1321.48ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 83.2MB in the end (delta: -25.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-28 02:40:35,214 INFO L158 Benchmark]: TraceAbstraction took 13480.17ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 82.6MB in the beginning and 245.0MB in the end (delta: -162.4MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. [2024-11-28 02:40:35,214 INFO L158 Benchmark]: Witness Printer took 129.67ms. Allocated memory is still 419.4MB. Free memory was 245.0MB in the beginning and 236.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:35,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.24ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.71ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.83ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1321.48ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 83.2MB in the end (delta: -25.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13480.17ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 82.6MB in the beginning and 245.0MB in the end (delta: -162.4MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. * Witness Printer took 129.67ms. Allocated memory is still 419.4MB. Free memory was 245.0MB in the beginning and 236.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 880]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 882]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 882]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 894]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 896]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 896]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 903]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 897]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 897]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 909]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 917]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 918]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 457 locations, 28 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.2s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 496 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 852 IncrementalHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 93 mSDtfsCounter, 852 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred in iteration=6, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 4469 NumberOfCodeBlocks, 4368 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4454 ConstructedInterpolants, 0 QuantifiedInterpolants, 4718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 129/129 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:40:35,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc890843-47cf-490a-ba08-a6e3ff033b30/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE