./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/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_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/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_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/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 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:47,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:47,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:08:47,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:47,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:47,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:47,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:47,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:47,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:47,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:47,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:47,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:47,253 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:47,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:08:47,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:47,255 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:47,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:47,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:47,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:47,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:47,256 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_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/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 -> 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f [2024-11-27 20:08:47,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:47,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:47,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:47,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:47,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:47,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2024-11-27 20:08:50,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/data/fe8535c66/524539882bca4ab196fd4f246376963a/FLAG4cce6ecba [2024-11-27 20:08:50,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:50,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2024-11-27 20:08:50,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/data/fe8535c66/524539882bca4ab196fd4f246376963a/FLAG4cce6ecba [2024-11-27 20:08:50,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/data/fe8535c66/524539882bca4ab196fd4f246376963a [2024-11-27 20:08:50,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:50,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:50,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:50,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:50,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:50,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:50" (1/1) ... [2024-11-27 20:08:50,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e143415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:50, skipping insertion in model container [2024-11-27 20:08:50,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:50" (1/1) ... [2024-11-27 20:08:51,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:51,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:51,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:51,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:51,337 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:51,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51 WrapperNode [2024-11-27 20:08:51,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:51,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:51,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:51,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:51,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,396 INFO L138 Inliner]: procedures = 21, calls = 18, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 241 [2024-11-27 20:08:51,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:51,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:51,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:51,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:51,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:51,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:51,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:51,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:51,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (1/1) ... [2024-11-27 20:08:51,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:51,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:51,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:08:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:08:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:08:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:08:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:08:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:51,504 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:08:51,643 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:51,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:08:52,308 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:08:52,308 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:52,328 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:52,328 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:08:52,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:52 BoogieIcfgContainer [2024-11-27 20:08:52,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:52,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:08:52,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:08:52,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:08:52,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:50" (1/3) ... [2024-11-27 20:08:52,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeb2f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:52, skipping insertion in model container [2024-11-27 20:08:52,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:51" (2/3) ... [2024-11-27 20:08:52,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeb2f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:52, skipping insertion in model container [2024-11-27 20:08:52,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:52" (3/3) ... [2024-11-27 20:08:52,341 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2024-11-27 20:08:52,363 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:08:52,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-match-symm.wvr.c that has 3 procedures, 326 locations, 1 initial locations, 0 loop locations, and 30 error locations. [2024-11-27 20:08:52,366 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:08:52,514 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 20:08:52,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 341 transitions, 696 flow [2024-11-27 20:08:52,825 INFO L124 PetriNetUnfolderBase]: 16/339 cut-off events. [2024-11-27 20:08:52,827 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:08:52,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 339 events. 16/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 345 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2024-11-27 20:08:52,836 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 341 transitions, 696 flow [2024-11-27 20:08:52,844 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 319 transitions, 650 flow [2024-11-27 20:08:52,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:08:52,864 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;@6e3070f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:08:52,864 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-27 20:08:52,871 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:08:52,871 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-27 20:08:52,871 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:08:52,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:52,872 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] [2024-11-27 20:08:52,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:52,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:52,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1891127115, now seen corresponding path program 1 times [2024-11-27 20:08:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:52,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147269096] [2024-11-27 20:08:52,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:53,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:53,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147269096] [2024-11-27 20:08:53,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147269096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:53,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:53,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829791415] [2024-11-27 20:08:53,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:53,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:53,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:53,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:53,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:53,221 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 341 [2024-11-27 20:08:53,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 319 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:53,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:53,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 341 [2024-11-27 20:08:53,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:53,436 INFO L124 PetriNetUnfolderBase]: 14/504 cut-off events. [2024-11-27 20:08:53,436 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-27 20:08:53,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 504 events. 14/504 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1208 event pairs, 8 based on Foata normal form. 27/459 useless extension candidates. Maximal degree in co-relation 403. Up to 28 conditions per place. [2024-11-27 20:08:53,449 INFO L140 encePairwiseOnDemand]: 328/341 looper letters, 11 selfloop transitions, 2 changer transitions 2/308 dead transitions. [2024-11-27 20:08:53,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 308 transitions, 654 flow [2024-11-27 20:08:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-27 20:08:53,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9442815249266863 [2024-11-27 20:08:53,477 INFO L175 Difference]: Start difference. First operand has 312 places, 319 transitions, 650 flow. Second operand 3 states and 966 transitions. [2024-11-27 20:08:53,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 308 transitions, 654 flow [2024-11-27 20:08:53,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:08:53,495 INFO L231 Difference]: Finished difference. Result has 309 places, 306 transitions, 620 flow [2024-11-27 20:08:53,499 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=309, PETRI_TRANSITIONS=306} [2024-11-27 20:08:53,503 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -3 predicate places. [2024-11-27 20:08:53,504 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 306 transitions, 620 flow [2024-11-27 20:08:53,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:53,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:53,505 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] [2024-11-27 20:08:53,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:08:53,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:53,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:53,507 INFO L85 PathProgramCache]: Analyzing trace with hash 79721871, now seen corresponding path program 1 times [2024-11-27 20:08:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:53,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959709012] [2024-11-27 20:08:53,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:53,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:53,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:53,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959709012] [2024-11-27 20:08:53,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959709012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:53,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:53,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:53,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927250564] [2024-11-27 20:08:53,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:53,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:53,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:53,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:53,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:53,653 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-11-27 20:08:53,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:53,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:53,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-11-27 20:08:53,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:53,826 INFO L124 PetriNetUnfolderBase]: 9/487 cut-off events. [2024-11-27 20:08:53,826 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:08:53,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 487 events. 9/487 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1133 event pairs, 3 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 480. Up to 16 conditions per place. [2024-11-27 20:08:53,830 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-11-27 20:08:53,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 305 transitions, 640 flow [2024-11-27 20:08:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-27 20:08:53,835 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-11-27 20:08:53,835 INFO L175 Difference]: Start difference. First operand has 309 places, 306 transitions, 620 flow. Second operand 3 states and 960 transitions. [2024-11-27 20:08:53,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 305 transitions, 640 flow [2024-11-27 20:08:53,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:53,848 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 618 flow [2024-11-27 20:08:53,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2024-11-27 20:08:53,850 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -6 predicate places. [2024-11-27 20:08:53,850 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 618 flow [2024-11-27 20:08:53,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:53,851 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:53,851 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:53,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:08:53,852 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:53,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:53,854 INFO L85 PathProgramCache]: Analyzing trace with hash 812410856, now seen corresponding path program 1 times [2024-11-27 20:08:53,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:53,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542993956] [2024-11-27 20:08:53,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:53,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:53,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542993956] [2024-11-27 20:08:53,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542993956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:53,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:53,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:53,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251612544] [2024-11-27 20:08:53,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:53,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:53,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:53,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:53,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:53,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-11-27 20:08:53,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:53,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:53,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-11-27 20:08:53,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:54,067 INFO L124 PetriNetUnfolderBase]: 9/480 cut-off events. [2024-11-27 20:08:54,068 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:08:54,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 480 events. 9/480 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1094 event pairs, 3 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 465. Up to 16 conditions per place. [2024-11-27 20:08:54,072 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-27 20:08:54,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 638 flow [2024-11-27 20:08:54,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-27 20:08:54,079 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-11-27 20:08:54,079 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 618 flow. Second operand 3 states and 960 transitions. [2024-11-27 20:08:54,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 638 flow [2024-11-27 20:08:54,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:54,087 INFO L231 Difference]: Finished difference. Result has 305 places, 304 transitions, 616 flow [2024-11-27 20:08:54,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=304} [2024-11-27 20:08:54,088 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -7 predicate places. [2024-11-27 20:08:54,089 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 304 transitions, 616 flow [2024-11-27 20:08:54,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:54,089 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:54,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:08:54,090 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:54,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:54,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2039657065, now seen corresponding path program 1 times [2024-11-27 20:08:54,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:54,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199969417] [2024-11-27 20:08:54,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:54,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:54,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199969417] [2024-11-27 20:08:54,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199969417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:54,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:54,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:54,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494588678] [2024-11-27 20:08:54,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:54,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:54,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:54,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:54,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:54,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 341 [2024-11-27 20:08:54,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:54,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 341 [2024-11-27 20:08:54,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:54,392 INFO L124 PetriNetUnfolderBase]: 14/499 cut-off events. [2024-11-27 20:08:54,392 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:08:54,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 499 events. 14/499 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1212 event pairs, 8 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 489. Up to 28 conditions per place. [2024-11-27 20:08:54,396 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 11 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-27 20:08:54,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 303 transitions, 640 flow [2024-11-27 20:08:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2024-11-27 20:08:54,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2024-11-27 20:08:54,401 INFO L175 Difference]: Start difference. First operand has 305 places, 304 transitions, 616 flow. Second operand 3 states and 956 transitions. [2024-11-27 20:08:54,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 303 transitions, 640 flow [2024-11-27 20:08:54,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 303 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:54,408 INFO L231 Difference]: Finished difference. Result has 304 places, 303 transitions, 614 flow [2024-11-27 20:08:54,408 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=304, PETRI_TRANSITIONS=303} [2024-11-27 20:08:54,410 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -8 predicate places. [2024-11-27 20:08:54,410 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 303 transitions, 614 flow [2024-11-27 20:08:54,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,411 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:54,411 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] [2024-11-27 20:08:54,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:08:54,412 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:54,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1460679319, now seen corresponding path program 1 times [2024-11-27 20:08:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626220552] [2024-11-27 20:08:54,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:54,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:54,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626220552] [2024-11-27 20:08:54,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626220552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:54,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:54,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:54,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146235935] [2024-11-27 20:08:54,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:54,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:54,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:54,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:54,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:54,529 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-11-27 20:08:54,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 303 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:54,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-11-27 20:08:54,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:54,629 INFO L124 PetriNetUnfolderBase]: 9/487 cut-off events. [2024-11-27 20:08:54,629 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:08:54,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 487 events. 9/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 790 event pairs, 3 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 456. Up to 16 conditions per place. [2024-11-27 20:08:54,635 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-27 20:08:54,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 302 transitions, 634 flow [2024-11-27 20:08:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-27 20:08:54,639 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-11-27 20:08:54,639 INFO L175 Difference]: Start difference. First operand has 304 places, 303 transitions, 614 flow. Second operand 3 states and 960 transitions. [2024-11-27 20:08:54,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 302 transitions, 634 flow [2024-11-27 20:08:54,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:54,646 INFO L231 Difference]: Finished difference. Result has 303 places, 302 transitions, 612 flow [2024-11-27 20:08:54,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=303, PETRI_TRANSITIONS=302} [2024-11-27 20:08:54,649 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-11-27 20:08:54,649 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 302 transitions, 612 flow [2024-11-27 20:08:54,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,651 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:54,651 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] [2024-11-27 20:08:54,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:08:54,652 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:54,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:54,652 INFO L85 PathProgramCache]: Analyzing trace with hash -725008606, now seen corresponding path program 1 times [2024-11-27 20:08:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:54,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703171938] [2024-11-27 20:08:54,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:54,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:54,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:54,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703171938] [2024-11-27 20:08:54,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703171938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:54,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:54,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:54,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607331465] [2024-11-27 20:08:54,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:54,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:54,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:54,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:54,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:54,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-11-27 20:08:54,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 302 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:54,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-11-27 20:08:54,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:54,894 INFO L124 PetriNetUnfolderBase]: 9/483 cut-off events. [2024-11-27 20:08:54,895 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:08:54,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 483 events. 9/483 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 777 event pairs, 3 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 444. Up to 16 conditions per place. [2024-11-27 20:08:54,899 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2024-11-27 20:08:54,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 301 transitions, 632 flow [2024-11-27 20:08:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-27 20:08:54,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-11-27 20:08:54,903 INFO L175 Difference]: Start difference. First operand has 303 places, 302 transitions, 612 flow. Second operand 3 states and 960 transitions. [2024-11-27 20:08:54,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 301 transitions, 632 flow [2024-11-27 20:08:54,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 301 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:54,933 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 610 flow [2024-11-27 20:08:54,934 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2024-11-27 20:08:54,937 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-11-27 20:08:54,938 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 610 flow [2024-11-27 20:08:54,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:54,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:54,939 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] [2024-11-27 20:08:54,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:08:54,939 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:54,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:54,940 INFO L85 PathProgramCache]: Analyzing trace with hash -808007066, now seen corresponding path program 1 times [2024-11-27 20:08:54,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:54,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721685608] [2024-11-27 20:08:54,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721685608] [2024-11-27 20:08:55,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721685608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:55,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:55,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:55,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960361806] [2024-11-27 20:08:55,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:55,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:55,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:55,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:55,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:55,073 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-11-27 20:08:55,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:55,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-11-27 20:08:55,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:55,198 INFO L124 PetriNetUnfolderBase]: 17/649 cut-off events. [2024-11-27 20:08:55,198 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:08:55,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 649 events. 17/649 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1959 event pairs, 4 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 611. Up to 22 conditions per place. [2024-11-27 20:08:55,204 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-27 20:08:55,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 302 transitions, 637 flow [2024-11-27 20:08:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-27 20:08:55,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-11-27 20:08:55,208 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 610 flow. Second operand 3 states and 968 transitions. [2024-11-27 20:08:55,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 302 transitions, 637 flow [2024-11-27 20:08:55,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 302 transitions, 633 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:55,216 INFO L231 Difference]: Finished difference. Result has 301 places, 301 transitions, 616 flow [2024-11-27 20:08:55,217 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=301, PETRI_TRANSITIONS=301} [2024-11-27 20:08:55,218 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -11 predicate places. [2024-11-27 20:08:55,218 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 301 transitions, 616 flow [2024-11-27 20:08:55,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:55,220 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] [2024-11-27 20:08:55,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:08:55,220 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:55,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:55,221 INFO L85 PathProgramCache]: Analyzing trace with hash 894315208, now seen corresponding path program 1 times [2024-11-27 20:08:55,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:55,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986028206] [2024-11-27 20:08:55,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:55,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:55,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986028206] [2024-11-27 20:08:55,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986028206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:55,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:55,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:55,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834107742] [2024-11-27 20:08:55,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:55,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:55,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:55,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:55,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:55,327 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-11-27 20:08:55,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 301 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:55,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-11-27 20:08:55,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:55,465 INFO L124 PetriNetUnfolderBase]: 19/725 cut-off events. [2024-11-27 20:08:55,466 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:08:55,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 725 events. 19/725 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2490 event pairs, 5 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 625. Up to 24 conditions per place. [2024-11-27 20:08:55,470 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-27 20:08:55,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 302 transitions, 643 flow [2024-11-27 20:08:55,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-27 20:08:55,473 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-11-27 20:08:55,473 INFO L175 Difference]: Start difference. First operand has 301 places, 301 transitions, 616 flow. Second operand 3 states and 968 transitions. [2024-11-27 20:08:55,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 302 transitions, 643 flow [2024-11-27 20:08:55,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 302 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:08:55,482 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 626 flow [2024-11-27 20:08:55,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2024-11-27 20:08:55,483 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-11-27 20:08:55,483 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 626 flow [2024-11-27 20:08:55,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,484 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:55,484 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] [2024-11-27 20:08:55,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:08:55,487 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:55,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:55,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1671683357, now seen corresponding path program 1 times [2024-11-27 20:08:55,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:55,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500752035] [2024-11-27 20:08:55,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:55,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:55,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500752035] [2024-11-27 20:08:55,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500752035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:55,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:55,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:55,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004349533] [2024-11-27 20:08:55,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:55,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:55,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:55,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:55,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:55,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-11-27 20:08:55,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:55,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-11-27 20:08:55,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:55,729 INFO L124 PetriNetUnfolderBase]: 20/667 cut-off events. [2024-11-27 20:08:55,730 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-27 20:08:55,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 667 events. 20/667 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2599 event pairs, 3 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 574. Up to 22 conditions per place. [2024-11-27 20:08:55,734 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-27 20:08:55,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 302 transitions, 653 flow [2024-11-27 20:08:55,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-27 20:08:55,738 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-11-27 20:08:55,738 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 626 flow. Second operand 3 states and 968 transitions. [2024-11-27 20:08:55,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 302 transitions, 653 flow [2024-11-27 20:08:55,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 653 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:08:55,746 INFO L231 Difference]: Finished difference. Result has 303 places, 301 transitions, 636 flow [2024-11-27 20:08:55,746 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=303, PETRI_TRANSITIONS=301} [2024-11-27 20:08:55,747 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-11-27 20:08:55,748 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 301 transitions, 636 flow [2024-11-27 20:08:55,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,749 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:55,749 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] [2024-11-27 20:08:55,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:08:55,749 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:55,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:55,750 INFO L85 PathProgramCache]: Analyzing trace with hash 169965439, now seen corresponding path program 1 times [2024-11-27 20:08:55,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:55,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419872176] [2024-11-27 20:08:55,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:55,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:55,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:55,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419872176] [2024-11-27 20:08:55,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419872176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:55,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:55,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:55,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357880019] [2024-11-27 20:08:55,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:55,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:55,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:55,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:55,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:55,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-11-27 20:08:55,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 301 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:55,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:55,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-11-27 20:08:55,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:55,997 INFO L124 PetriNetUnfolderBase]: 22/710 cut-off events. [2024-11-27 20:08:55,998 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-27 20:08:56,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 710 events. 22/710 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2979 event pairs, 3 based on Foata normal form. 0/623 useless extension candidates. Maximal degree in co-relation 626. Up to 25 conditions per place. [2024-11-27 20:08:56,003 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-27 20:08:56,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 302 transitions, 663 flow [2024-11-27 20:08:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-27 20:08:56,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-11-27 20:08:56,007 INFO L175 Difference]: Start difference. First operand has 303 places, 301 transitions, 636 flow. Second operand 3 states and 968 transitions. [2024-11-27 20:08:56,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 302 transitions, 663 flow [2024-11-27 20:08:56,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 663 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:08:56,015 INFO L231 Difference]: Finished difference. Result has 304 places, 301 transitions, 646 flow [2024-11-27 20:08:56,016 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=304, PETRI_TRANSITIONS=301} [2024-11-27 20:08:56,016 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -8 predicate places. [2024-11-27 20:08:56,017 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 301 transitions, 646 flow [2024-11-27 20:08:56,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,018 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:56,018 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] [2024-11-27 20:08:56,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:08:56,018 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:56,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1498151222, now seen corresponding path program 1 times [2024-11-27 20:08:56,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:56,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905070236] [2024-11-27 20:08:56,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:56,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:56,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:56,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905070236] [2024-11-27 20:08:56,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905070236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:56,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:56,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:56,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015572261] [2024-11-27 20:08:56,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:56,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:56,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:56,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:56,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:56,171 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 341 [2024-11-27 20:08:56,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 301 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:56,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 341 [2024-11-27 20:08:56,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:56,321 INFO L124 PetriNetUnfolderBase]: 43/669 cut-off events. [2024-11-27 20:08:56,321 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-27 20:08:56,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 669 events. 43/669 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2597 event pairs, 16 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 642. Up to 76 conditions per place. [2024-11-27 20:08:56,326 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2024-11-27 20:08:56,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 677 flow [2024-11-27 20:08:56,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2024-11-27 20:08:56,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2024-11-27 20:08:56,330 INFO L175 Difference]: Start difference. First operand has 304 places, 301 transitions, 646 flow. Second operand 3 states and 956 transitions. [2024-11-27 20:08:56,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 677 flow [2024-11-27 20:08:56,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 300 transitions, 677 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:08:56,338 INFO L231 Difference]: Finished difference. Result has 303 places, 299 transitions, 652 flow [2024-11-27 20:08:56,338 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=303, PETRI_TRANSITIONS=299} [2024-11-27 20:08:56,339 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-11-27 20:08:56,339 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 299 transitions, 652 flow [2024-11-27 20:08:56,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,340 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:56,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:56,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:08:56,340 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:56,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:56,341 INFO L85 PathProgramCache]: Analyzing trace with hash -909252948, now seen corresponding path program 1 times [2024-11-27 20:08:56,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:56,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703719110] [2024-11-27 20:08:56,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:56,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:56,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:56,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703719110] [2024-11-27 20:08:56,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703719110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:56,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:56,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:56,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056805781] [2024-11-27 20:08:56,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:56,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:56,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:56,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:56,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:56,476 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 341 [2024-11-27 20:08:56,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 299 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:56,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 341 [2024-11-27 20:08:56,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:56,619 INFO L124 PetriNetUnfolderBase]: 47/692 cut-off events. [2024-11-27 20:08:56,619 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-27 20:08:56,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 692 events. 47/692 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2669 event pairs, 16 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 688. Up to 81 conditions per place. [2024-11-27 20:08:56,623 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-27 20:08:56,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 298 transitions, 683 flow [2024-11-27 20:08:56,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2024-11-27 20:08:56,626 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2024-11-27 20:08:56,626 INFO L175 Difference]: Start difference. First operand has 303 places, 299 transitions, 652 flow. Second operand 3 states and 956 transitions. [2024-11-27 20:08:56,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 298 transitions, 683 flow [2024-11-27 20:08:56,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 298 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:08:56,632 INFO L231 Difference]: Finished difference. Result has 302 places, 297 transitions, 658 flow [2024-11-27 20:08:56,632 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=302, PETRI_TRANSITIONS=297} [2024-11-27 20:08:56,634 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-11-27 20:08:56,634 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 297 transitions, 658 flow [2024-11-27 20:08:56,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:56,635 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] [2024-11-27 20:08:56,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:08:56,636 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:56,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:56,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1040875051, now seen corresponding path program 1 times [2024-11-27 20:08:56,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677001000] [2024-11-27 20:08:56,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:56,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:56,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:56,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677001000] [2024-11-27 20:08:56,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677001000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:56,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:56,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:56,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772571841] [2024-11-27 20:08:56,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:56,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:56,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:56,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:56,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:56,773 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 341 [2024-11-27 20:08:56,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 297 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:56,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 341 [2024-11-27 20:08:56,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:56,875 INFO L124 PetriNetUnfolderBase]: 21/545 cut-off events. [2024-11-27 20:08:56,875 INFO L125 PetriNetUnfolderBase]: For 4/9 co-relation queries the response was YES. [2024-11-27 20:08:56,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 545 events. 21/545 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1772 event pairs, 2 based on Foata normal form. 1/509 useless extension candidates. Maximal degree in co-relation 501. Up to 20 conditions per place. [2024-11-27 20:08:56,880 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-27 20:08:56,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 297 transitions, 683 flow [2024-11-27 20:08:56,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-27 20:08:56,883 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423264907135875 [2024-11-27 20:08:56,883 INFO L175 Difference]: Start difference. First operand has 302 places, 297 transitions, 658 flow. Second operand 3 states and 964 transitions. [2024-11-27 20:08:56,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 297 transitions, 683 flow [2024-11-27 20:08:56,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 297 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:08:56,890 INFO L231 Difference]: Finished difference. Result has 303 places, 296 transitions, 660 flow [2024-11-27 20:08:56,891 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=303, PETRI_TRANSITIONS=296} [2024-11-27 20:08:56,893 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-11-27 20:08:56,893 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 296 transitions, 660 flow [2024-11-27 20:08:56,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:56,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:56,894 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] [2024-11-27 20:08:56,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:08:56,894 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:56,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:56,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1343105908, now seen corresponding path program 1 times [2024-11-27 20:08:56,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:56,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167709660] [2024-11-27 20:08:56,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:56,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:57,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:57,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167709660] [2024-11-27 20:08:57,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167709660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:57,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:57,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:57,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951566735] [2024-11-27 20:08:57,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:57,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:57,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:57,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:57,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:57,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 341 [2024-11-27 20:08:57,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 296 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:57,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:57,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 341 [2024-11-27 20:08:57,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:57,144 INFO L124 PetriNetUnfolderBase]: 20/536 cut-off events. [2024-11-27 20:08:57,145 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-27 20:08:57,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 536 events. 20/536 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1670 event pairs, 2 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 543. Up to 24 conditions per place. [2024-11-27 20:08:57,148 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-27 20:08:57,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 296 transitions, 685 flow [2024-11-27 20:08:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-27 20:08:57,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423264907135875 [2024-11-27 20:08:57,151 INFO L175 Difference]: Start difference. First operand has 303 places, 296 transitions, 660 flow. Second operand 3 states and 964 transitions. [2024-11-27 20:08:57,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 296 transitions, 685 flow [2024-11-27 20:08:57,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 296 transitions, 681 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:57,160 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 658 flow [2024-11-27 20:08:57,160 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2024-11-27 20:08:57,163 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-11-27 20:08:57,163 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 658 flow [2024-11-27 20:08:57,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:57,164 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:57,164 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] [2024-11-27 20:08:57,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:08:57,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:57,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1721930605, now seen corresponding path program 1 times [2024-11-27 20:08:57,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:57,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967376994] [2024-11-27 20:08:57,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:57,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:57,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967376994] [2024-11-27 20:08:57,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967376994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:57,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:57,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:57,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2165769] [2024-11-27 20:08:57,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:57,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:57,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:57,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:57,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:57,414 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-11-27 20:08:57,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:57,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:57,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-11-27 20:08:57,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:57,530 INFO L124 PetriNetUnfolderBase]: 20/639 cut-off events. [2024-11-27 20:08:57,530 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-27 20:08:57,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 639 events. 20/639 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2203 event pairs, 3 based on Foata normal form. 1/602 useless extension candidates. Maximal degree in co-relation 620. Up to 25 conditions per place. [2024-11-27 20:08:57,534 INFO L140 encePairwiseOnDemand]: 339/341 looper letters, 13 selfloop transitions, 1 changer transitions 2/298 dead transitions. [2024-11-27 20:08:57,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 298 transitions, 695 flow [2024-11-27 20:08:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-27 20:08:57,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9472140762463344 [2024-11-27 20:08:57,537 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 658 flow. Second operand 3 states and 969 transitions. [2024-11-27 20:08:57,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 298 transitions, 695 flow [2024-11-27 20:08:57,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 298 transitions, 691 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:08:57,544 INFO L231 Difference]: Finished difference. Result has 303 places, 293 transitions, 655 flow [2024-11-27 20:08:57,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=293} [2024-11-27 20:08:57,545 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-11-27 20:08:57,545 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 293 transitions, 655 flow [2024-11-27 20:08:57,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:57,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:57,546 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] [2024-11-27 20:08:57,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:08:57,547 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:57,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:57,548 INFO L85 PathProgramCache]: Analyzing trace with hash 954116435, now seen corresponding path program 2 times [2024-11-27 20:08:57,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:57,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915660773] [2024-11-27 20:08:57,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:08:57,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:57,580 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:08:57,580 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:57,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:57,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915660773] [2024-11-27 20:08:57,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915660773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:57,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:57,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:57,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424419468] [2024-11-27 20:08:57,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:57,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:57,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:57,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:57,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:57,739 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-11-27 20:08:57,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 293 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:57,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:57,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-11-27 20:08:57,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:57,868 INFO L124 PetriNetUnfolderBase]: 18/719 cut-off events. [2024-11-27 20:08:57,868 INFO L125 PetriNetUnfolderBase]: For 33/37 co-relation queries the response was YES. [2024-11-27 20:08:57,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 719 events. 18/719 cut-off events. For 33/37 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2666 event pairs, 4 based on Foata normal form. 1/680 useless extension candidates. Maximal degree in co-relation 715. Up to 31 conditions per place. [2024-11-27 20:08:57,871 INFO L140 encePairwiseOnDemand]: 339/341 looper letters, 12 selfloop transitions, 1 changer transitions 2/295 dead transitions. [2024-11-27 20:08:57,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 295 transitions, 687 flow [2024-11-27 20:08:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-27 20:08:57,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-11-27 20:08:57,874 INFO L175 Difference]: Start difference. First operand has 303 places, 293 transitions, 655 flow. Second operand 3 states and 968 transitions. [2024-11-27 20:08:57,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 295 transitions, 687 flow [2024-11-27 20:08:57,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 295 transitions, 686 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:08:57,881 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 655 flow [2024-11-27 20:08:57,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=291} [2024-11-27 20:08:57,882 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-11-27 20:08:57,882 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 655 flow [2024-11-27 20:08:57,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:57,883 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:57,884 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] [2024-11-27 20:08:57,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:08:57,884 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:57,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:57,888 INFO L85 PathProgramCache]: Analyzing trace with hash 169845892, now seen corresponding path program 1 times [2024-11-27 20:08:57,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:57,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852863091] [2024-11-27 20:08:57,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:57,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:58,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:58,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852863091] [2024-11-27 20:08:58,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852863091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:58,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:58,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:58,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517772174] [2024-11-27 20:08:58,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:58,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:58,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:58,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:58,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:58,028 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 341 [2024-11-27 20:08:58,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 291 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:58,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:58,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 341 [2024-11-27 20:08:58,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:58,172 INFO L124 PetriNetUnfolderBase]: 16/675 cut-off events. [2024-11-27 20:08:58,172 INFO L125 PetriNetUnfolderBase]: For 29/40 co-relation queries the response was YES. [2024-11-27 20:08:58,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 675 events. 16/675 cut-off events. For 29/40 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2453 event pairs, 2 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 687. Up to 22 conditions per place. [2024-11-27 20:08:58,176 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 1 changer transitions 0/288 dead transitions. [2024-11-27 20:08:58,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 671 flow [2024-11-27 20:08:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2024-11-27 20:08:58,180 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374389051808406 [2024-11-27 20:08:58,180 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 655 flow. Second operand 3 states and 959 transitions. [2024-11-27 20:08:58,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 671 flow [2024-11-27 20:08:58,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 288 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:08:58,188 INFO L231 Difference]: Finished difference. Result has 299 places, 288 transitions, 650 flow [2024-11-27 20:08:58,189 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=299, PETRI_TRANSITIONS=288} [2024-11-27 20:08:58,189 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -13 predicate places. [2024-11-27 20:08:58,190 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 288 transitions, 650 flow [2024-11-27 20:08:58,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:58,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:08:58,191 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] [2024-11-27 20:08:58,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:08:58,191 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-27 20:08:58,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1903255492, now seen corresponding path program 1 times [2024-11-27 20:08:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:58,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839796120] [2024-11-27 20:08:58,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:58,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:58,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839796120] [2024-11-27 20:08:58,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839796120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:58,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:58,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427160759] [2024-11-27 20:08:58,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:58,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:08:58,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:58,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:08:58,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:08:58,350 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 341 [2024-11-27 20:08:58,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 288 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:58,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:08:58,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 341 [2024-11-27 20:08:58,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:08:58,474 INFO L124 PetriNetUnfolderBase]: 18/740 cut-off events. [2024-11-27 20:08:58,475 INFO L125 PetriNetUnfolderBase]: For 18/21 co-relation queries the response was YES. [2024-11-27 20:08:58,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 740 events. 18/740 cut-off events. For 18/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2854 event pairs, 3 based on Foata normal form. 3/718 useless extension candidates. Maximal degree in co-relation 718. Up to 28 conditions per place. [2024-11-27 20:08:58,477 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-11-27 20:08:58,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 287 transitions, 672 flow [2024-11-27 20:08:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:08:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:08:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-27 20:08:58,480 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-11-27 20:08:58,480 INFO L175 Difference]: Start difference. First operand has 299 places, 288 transitions, 650 flow. Second operand 3 states and 960 transitions. [2024-11-27 20:08:58,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 287 transitions, 672 flow [2024-11-27 20:08:58,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 287 transitions, 671 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:08:58,484 INFO L231 Difference]: Finished difference. Result has 297 places, 0 transitions, 0 flow [2024-11-27 20:08:58,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=297, PETRI_TRANSITIONS=0} [2024-11-27 20:08:58,484 INFO L279 CegarLoopForPetriNet]: 312 programPoint places, -15 predicate places. [2024-11-27 20:08:58,485 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 0 transitions, 0 flow [2024-11-27 20:08:58,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:58,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2024-11-27 20:08:58,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2024-11-27 20:08:58,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-11-27 20:08:58,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-11-27 20:08:58,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-11-27 20:08:58,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-11-27 20:08:58,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-11-27 20:08:58,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2024-11-27 20:08:58,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-11-27 20:08:58,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-11-27 20:08:58,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-11-27 20:08:58,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-11-27 20:08:58,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:08:58,494 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:58,500 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:08:58,500 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:08:58,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:08:58 BasicIcfg [2024-11-27 20:08:58,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:08:58,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:08:58,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:08:58,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:08:58,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:52" (3/4) ... [2024-11-27 20:08:58,509 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:08:58,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:08:58,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:08:58,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 20:08:58,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:08:58,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:08:58,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:08:58,601 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:08:58,602 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:08:58,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:08:58,603 INFO L158 Benchmark]: Toolchain (without parser) took 7635.13ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 117.6MB in the beginning and 94.8MB in the end (delta: 22.9MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:58,603 INFO L158 Benchmark]: CDTParser took 2.23ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:58,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.03ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 105.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:58,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.83ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:58,604 INFO L158 Benchmark]: Boogie Preprocessor took 26.11ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:58,604 INFO L158 Benchmark]: RCFGBuilder took 905.03ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 79.1MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:08:58,604 INFO L158 Benchmark]: TraceAbstraction took 6174.58ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 78.5MB in the beginning and 101.0MB in the end (delta: -22.5MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-11-27 20:08:58,605 INFO L158 Benchmark]: Witness Printer took 95.30ms. Allocated memory is still 226.5MB. Free memory was 101.0MB in the beginning and 94.8MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:58,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.03ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 105.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.83ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.11ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 905.03ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 79.1MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6174.58ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 78.5MB in the beginning and 101.0MB in the end (delta: -22.5MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 95.30ms. Allocated memory is still 226.5MB. Free memory was 101.0MB in the beginning and 94.8MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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, 508 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.9s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 125 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=13, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2020 NumberOfCodeBlocks, 2020 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2002 ConstructedInterpolants, 0 QuantifiedInterpolants, 2358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:08:58,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be7ce70-bf56-4eff-b5f2-ed05242f3cc6/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