./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU --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 206fc494d359c55f00dca0f227d0ffa61103c97cbe34d3166496eff2224a478a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:02,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:02,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 21:57:02,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:02,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:02,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:02,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:02,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:02,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:57:02,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:57:02,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:02,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:02,969 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:02,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:02,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:57:02,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:57:02,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:02,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:57:02,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:02,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:57:02,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:57:02,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:57:02,977 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 21:57:02,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:02,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:57:02,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:57:02,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:02,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:02,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:02,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:02,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:57:02,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:02,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:02,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:57:02,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:57:02,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:02,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:57:02,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:57:02,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:57:02,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:57:02,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:57:02,983 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206fc494d359c55f00dca0f227d0ffa61103c97cbe34d3166496eff2224a478a [2024-10-31 21:57:03,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:03,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:03,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:03,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:03,362 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:03,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c Unable to find full path for "g++" [2024-10-31 21:57:05,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:05,825 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:05,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-10-31 21:57:05,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/data/c1f74cd06/58c93aab3d6f47bdbf102c3ae2793a19/FLAG3e631b84c [2024-10-31 21:57:06,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/data/c1f74cd06/58c93aab3d6f47bdbf102c3ae2793a19 [2024-10-31 21:57:06,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:06,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:06,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:06,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:06,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:06,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf667c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06, skipping insertion in model container [2024-10-31 21:57:06,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:06,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:06,494 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:06,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:06,542 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:06,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06 WrapperNode [2024-10-31 21:57:06,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:06,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:06,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:06,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:06,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,579 INFO L138 Inliner]: procedures = 20, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-10-31 21:57:06,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:06,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:06,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:06,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:06,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:06,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:06,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:06,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:06,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (1/1) ... [2024-10-31 21:57:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:06,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:06,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:06,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:57:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 21:57:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 21:57:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 21:57:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 21:57:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:57:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:57:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:57:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:06,706 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:57:06,808 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:06,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:07,210 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:57:07,210 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:07,322 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:07,323 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 21:57:07,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:07 BoogieIcfgContainer [2024-10-31 21:57:07,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:07,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:57:07,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:57:07,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:57:07,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:57:06" (1/3) ... [2024-10-31 21:57:07,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f704d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:07, skipping insertion in model container [2024-10-31 21:57:07,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:06" (2/3) ... [2024-10-31 21:57:07,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f704d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:07, skipping insertion in model container [2024-10-31 21:57:07,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:07" (3/3) ... [2024-10-31 21:57:07,333 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2024-10-31 21:57:07,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:57:07,351 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2024-10-31 21:57:07,351 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:57:07,425 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 21:57:07,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 166 transitions, 346 flow [2024-10-31 21:57:07,544 INFO L124 PetriNetUnfolderBase]: 11/164 cut-off events. [2024-10-31 21:57:07,544 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:07,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 11/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 313 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 102. Up to 4 conditions per place. [2024-10-31 21:57:07,551 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 166 transitions, 346 flow [2024-10-31 21:57:07,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 147 transitions, 306 flow [2024-10-31 21:57:07,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:07,579 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;@4eb68ccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:07,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2024-10-31 21:57:07,585 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:57:07,585 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-31 21:57:07,585 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:57:07,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:07,586 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:07,587 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:07,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:07,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1788974254, now seen corresponding path program 1 times [2024-10-31 21:57:07,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:07,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840333329] [2024-10-31 21:57:07,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:07,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:07,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:07,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840333329] [2024-10-31 21:57:07,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840333329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:07,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:07,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035544958] [2024-10-31 21:57:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:07,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:07,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:07,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:07,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:07,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-31 21:57:07,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:07,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:07,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-31 21:57:07,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:08,050 INFO L124 PetriNetUnfolderBase]: 35/238 cut-off events. [2024-10-31 21:57:08,052 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-31 21:57:08,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 238 events. 35/238 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 763 event pairs, 11 based on Foata normal form. 12/205 useless extension candidates. Maximal degree in co-relation 237. Up to 50 conditions per place. [2024-10-31 21:57:08,057 INFO L140 encePairwiseOnDemand]: 153/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-31 21:57:08,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 136 transitions, 318 flow [2024-10-31 21:57:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2024-10-31 21:57:08,075 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8694779116465864 [2024-10-31 21:57:08,080 INFO L175 Difference]: Start difference. First operand has 144 places, 147 transitions, 306 flow. Second operand 3 states and 433 transitions. [2024-10-31 21:57:08,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 136 transitions, 318 flow [2024-10-31 21:57:08,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 21:57:08,095 INFO L231 Difference]: Finished difference. Result has 133 places, 136 transitions, 280 flow [2024-10-31 21:57:08,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=133, PETRI_TRANSITIONS=136} [2024-10-31 21:57:08,102 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -11 predicate places. [2024-10-31 21:57:08,102 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 136 transitions, 280 flow [2024-10-31 21:57:08,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:08,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:08,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:57:08,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:08,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1365748082, now seen corresponding path program 1 times [2024-10-31 21:57:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:08,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547322910] [2024-10-31 21:57:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:08,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:08,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547322910] [2024-10-31 21:57:08,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547322910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:08,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:08,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:08,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844613164] [2024-10-31 21:57:08,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:08,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:08,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:08,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-31 21:57:08,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:08,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-31 21:57:08,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:08,343 INFO L124 PetriNetUnfolderBase]: 34/234 cut-off events. [2024-10-31 21:57:08,344 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:57:08,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 234 events. 34/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 752 event pairs, 11 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 265. Up to 48 conditions per place. [2024-10-31 21:57:08,347 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-10-31 21:57:08,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 135 transitions, 312 flow [2024-10-31 21:57:08,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2024-10-31 21:57:08,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493975903614458 [2024-10-31 21:57:08,351 INFO L175 Difference]: Start difference. First operand has 133 places, 136 transitions, 280 flow. Second operand 3 states and 423 transitions. [2024-10-31 21:57:08,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 135 transitions, 312 flow [2024-10-31 21:57:08,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 135 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:08,355 INFO L231 Difference]: Finished difference. Result has 132 places, 135 transitions, 278 flow [2024-10-31 21:57:08,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=132, PETRI_TRANSITIONS=135} [2024-10-31 21:57:08,356 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -12 predicate places. [2024-10-31 21:57:08,357 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 135 transitions, 278 flow [2024-10-31 21:57:08,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:08,358 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:08,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:57:08,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:08,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1241472979, now seen corresponding path program 1 times [2024-10-31 21:57:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:08,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377168068] [2024-10-31 21:57:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:08,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:08,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377168068] [2024-10-31 21:57:08,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377168068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:08,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:08,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:08,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641029446] [2024-10-31 21:57:08,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:08,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:08,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:08,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:08,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-31 21:57:08,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:08,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-31 21:57:08,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:08,558 INFO L124 PetriNetUnfolderBase]: 27/228 cut-off events. [2024-10-31 21:57:08,559 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:08,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 228 events. 27/228 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 700 event pairs, 7 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 244. Up to 36 conditions per place. [2024-10-31 21:57:08,562 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-31 21:57:08,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 134 transitions, 306 flow [2024-10-31 21:57:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-10-31 21:57:08,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.857429718875502 [2024-10-31 21:57:08,569 INFO L175 Difference]: Start difference. First operand has 132 places, 135 transitions, 278 flow. Second operand 3 states and 427 transitions. [2024-10-31 21:57:08,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 134 transitions, 306 flow [2024-10-31 21:57:08,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:08,573 INFO L231 Difference]: Finished difference. Result has 131 places, 134 transitions, 276 flow [2024-10-31 21:57:08,577 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=131, PETRI_TRANSITIONS=134} [2024-10-31 21:57:08,578 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -13 predicate places. [2024-10-31 21:57:08,579 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 134 transitions, 276 flow [2024-10-31 21:57:08,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:08,580 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:08,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:57:08,581 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:08,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1891159636, now seen corresponding path program 1 times [2024-10-31 21:57:08,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:08,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462669214] [2024-10-31 21:57:08,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:08,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:08,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462669214] [2024-10-31 21:57:08,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462669214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:08,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:08,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:08,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282714067] [2024-10-31 21:57:08,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:08,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:08,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:08,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:08,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:08,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-31 21:57:08,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:08,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-31 21:57:08,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:08,719 INFO L124 PetriNetUnfolderBase]: 27/229 cut-off events. [2024-10-31 21:57:08,719 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 21:57:08,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 229 events. 27/229 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 718 event pairs, 7 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 237. Up to 35 conditions per place. [2024-10-31 21:57:08,721 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-10-31 21:57:08,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 133 transitions, 304 flow [2024-10-31 21:57:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-10-31 21:57:08,724 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.857429718875502 [2024-10-31 21:57:08,724 INFO L175 Difference]: Start difference. First operand has 131 places, 134 transitions, 276 flow. Second operand 3 states and 427 transitions. [2024-10-31 21:57:08,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 133 transitions, 304 flow [2024-10-31 21:57:08,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 133 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:08,728 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 274 flow [2024-10-31 21:57:08,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2024-10-31 21:57:08,729 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-31 21:57:08,730 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 274 flow [2024-10-31 21:57:08,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:08,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:08,731 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:08,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:57:08,731 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:08,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash -48638622, now seen corresponding path program 1 times [2024-10-31 21:57:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:08,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742655178] [2024-10-31 21:57:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:08,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:08,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742655178] [2024-10-31 21:57:08,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742655178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:08,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:08,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:08,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700366962] [2024-10-31 21:57:08,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:08,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:08,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:08,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:08,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:08,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-10-31 21:57:08,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 21:57:08,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:08,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-10-31 21:57:08,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:08,914 INFO L124 PetriNetUnfolderBase]: 30/230 cut-off events. [2024-10-31 21:57:08,914 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:57:08,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 230 events. 30/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 720 event pairs, 2 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 242. Up to 31 conditions per place. [2024-10-31 21:57:08,916 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-31 21:57:08,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 136 transitions, 313 flow [2024-10-31 21:57:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-31 21:57:08,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-10-31 21:57:08,920 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 274 flow. Second operand 3 states and 440 transitions. [2024-10-31 21:57:08,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 136 transitions, 313 flow [2024-10-31 21:57:08,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 136 transitions, 309 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:08,924 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 278 flow [2024-10-31 21:57:08,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2024-10-31 21:57:08,925 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-31 21:57:08,926 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 278 flow [2024-10-31 21:57:08,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-31 21:57:08,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:08,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:08,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:57:08,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:08,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1588730558, now seen corresponding path program 1 times [2024-10-31 21:57:08,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:08,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533043658] [2024-10-31 21:57:08,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:09,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:09,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533043658] [2024-10-31 21:57:09,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533043658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:09,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:09,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:09,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140071941] [2024-10-31 21:57:09,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:09,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:09,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:09,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:09,045 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-31 21:57:09,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:09,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-31 21:57:09,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:09,128 INFO L124 PetriNetUnfolderBase]: 65/304 cut-off events. [2024-10-31 21:57:09,128 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:57:09,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 304 events. 65/304 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1177 event pairs, 9 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 346. Up to 70 conditions per place. [2024-10-31 21:57:09,131 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 19 selfloop transitions, 3 changer transitions 0/136 dead transitions. [2024-10-31 21:57:09,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 136 transitions, 331 flow [2024-10-31 21:57:09,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-10-31 21:57:09,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8634538152610441 [2024-10-31 21:57:09,133 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 278 flow. Second operand 3 states and 430 transitions. [2024-10-31 21:57:09,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 136 transitions, 331 flow [2024-10-31 21:57:09,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 136 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:09,137 INFO L231 Difference]: Finished difference. Result has 129 places, 131 transitions, 283 flow [2024-10-31 21:57:09,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=129, PETRI_TRANSITIONS=131} [2024-10-31 21:57:09,140 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-31 21:57:09,141 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 131 transitions, 283 flow [2024-10-31 21:57:09,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:09,142 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:57:09,142 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:09,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1952571758, now seen corresponding path program 1 times [2024-10-31 21:57:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726425126] [2024-10-31 21:57:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:09,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:09,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726425126] [2024-10-31 21:57:09,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726425126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:09,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:09,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:09,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287814267] [2024-10-31 21:57:09,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:09,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:09,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:09,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:09,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-10-31 21:57:09,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 131 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2024-10-31 21:57:09,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:09,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-10-31 21:57:09,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:09,306 INFO L124 PetriNetUnfolderBase]: 38/285 cut-off events. [2024-10-31 21:57:09,306 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-10-31 21:57:09,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 285 events. 38/285 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1037 event pairs, 4 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 229. Up to 36 conditions per place. [2024-10-31 21:57:09,309 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-31 21:57:09,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 134 transitions, 322 flow [2024-10-31 21:57:09,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-31 21:57:09,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-10-31 21:57:09,311 INFO L175 Difference]: Start difference. First operand has 129 places, 131 transitions, 283 flow. Second operand 3 states and 440 transitions. [2024-10-31 21:57:09,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 134 transitions, 322 flow [2024-10-31 21:57:09,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 134 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:09,316 INFO L231 Difference]: Finished difference. Result has 130 places, 131 transitions, 288 flow [2024-10-31 21:57:09,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=130, PETRI_TRANSITIONS=131} [2024-10-31 21:57:09,319 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-31 21:57:09,319 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 131 transitions, 288 flow [2024-10-31 21:57:09,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2024-10-31 21:57:09,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:09,321 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:57:09,321 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:09,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1971290076, now seen corresponding path program 1 times [2024-10-31 21:57:09,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460094928] [2024-10-31 21:57:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:09,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460094928] [2024-10-31 21:57:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460094928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:09,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:09,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:09,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656122757] [2024-10-31 21:57:09,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:09,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:09,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:09,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:09,430 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-31 21:57:09,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 131 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:09,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-31 21:57:09,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:09,531 INFO L124 PetriNetUnfolderBase]: 54/306 cut-off events. [2024-10-31 21:57:09,532 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-10-31 21:57:09,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 306 events. 54/306 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1277 event pairs, 4 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 284. Up to 66 conditions per place. [2024-10-31 21:57:09,534 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 18 selfloop transitions, 3 changer transitions 0/133 dead transitions. [2024-10-31 21:57:09,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 133 transitions, 336 flow [2024-10-31 21:57:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2024-10-31 21:57:09,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614457831325302 [2024-10-31 21:57:09,538 INFO L175 Difference]: Start difference. First operand has 130 places, 131 transitions, 288 flow. Second operand 3 states and 429 transitions. [2024-10-31 21:57:09,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 133 transitions, 336 flow [2024-10-31 21:57:09,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 133 transitions, 334 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:09,542 INFO L231 Difference]: Finished difference. Result has 129 places, 129 transitions, 293 flow [2024-10-31 21:57:09,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=129, PETRI_TRANSITIONS=129} [2024-10-31 21:57:09,546 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-31 21:57:09,547 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 293 flow [2024-10-31 21:57:09,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:09,548 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:57:09,548 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:09,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash -249433461, now seen corresponding path program 1 times [2024-10-31 21:57:09,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113342486] [2024-10-31 21:57:09,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:09,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:09,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113342486] [2024-10-31 21:57:09,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113342486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:09,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:09,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:09,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635534904] [2024-10-31 21:57:09,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:09,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:09,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:09,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:09,684 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-31 21:57:09,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 129 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2024-10-31 21:57:09,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:09,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-31 21:57:09,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:09,761 INFO L124 PetriNetUnfolderBase]: 44/254 cut-off events. [2024-10-31 21:57:09,762 INFO L125 PetriNetUnfolderBase]: For 12/20 co-relation queries the response was YES. [2024-10-31 21:57:09,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 254 events. 44/254 cut-off events. For 12/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 922 event pairs, 14 based on Foata normal form. 1/230 useless extension candidates. Maximal degree in co-relation 255. Up to 60 conditions per place. [2024-10-31 21:57:09,765 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 18 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-10-31 21:57:09,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 338 flow [2024-10-31 21:57:09,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-10-31 21:57:09,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8654618473895582 [2024-10-31 21:57:09,768 INFO L175 Difference]: Start difference. First operand has 129 places, 129 transitions, 293 flow. Second operand 3 states and 431 transitions. [2024-10-31 21:57:09,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 131 transitions, 338 flow [2024-10-31 21:57:09,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:09,773 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 292 flow [2024-10-31 21:57:09,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-10-31 21:57:09,774 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-31 21:57:09,775 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 292 flow [2024-10-31 21:57:09,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2024-10-31 21:57:09,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:09,776 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:57:09,777 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:09,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash 343278189, now seen corresponding path program 1 times [2024-10-31 21:57:09,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594544965] [2024-10-31 21:57:09,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:09,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:09,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594544965] [2024-10-31 21:57:09,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594544965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:09,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:09,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859677795] [2024-10-31 21:57:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:09,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:09,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-31 21:57:09,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2024-10-31 21:57:09,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:09,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-31 21:57:09,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:09,973 INFO L124 PetriNetUnfolderBase]: 54/301 cut-off events. [2024-10-31 21:57:09,973 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-10-31 21:57:09,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 301 events. 54/301 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1255 event pairs, 19 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 315. Up to 71 conditions per place. [2024-10-31 21:57:09,975 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 18 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-10-31 21:57:09,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 337 flow [2024-10-31 21:57:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-10-31 21:57:09,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8654618473895582 [2024-10-31 21:57:09,978 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 292 flow. Second operand 3 states and 431 transitions. [2024-10-31 21:57:09,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 337 flow [2024-10-31 21:57:09,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 130 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:09,981 INFO L231 Difference]: Finished difference. Result has 128 places, 127 transitions, 290 flow [2024-10-31 21:57:09,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=128, PETRI_TRANSITIONS=127} [2024-10-31 21:57:09,983 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -16 predicate places. [2024-10-31 21:57:09,983 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 290 flow [2024-10-31 21:57:09,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2024-10-31 21:57:09,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:09,984 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 21:57:09,985 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:09,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,985 INFO L85 PathProgramCache]: Analyzing trace with hash -426661188, now seen corresponding path program 1 times [2024-10-31 21:57:09,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019309431] [2024-10-31 21:57:09,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:10,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:10,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019309431] [2024-10-31 21:57:10,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019309431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:10,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:10,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:10,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036836630] [2024-10-31 21:57:10,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:10,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:10,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:10,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 166 [2024-10-31 21:57:10,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 127 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2024-10-31 21:57:10,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:10,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 166 [2024-10-31 21:57:10,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:10,118 INFO L124 PetriNetUnfolderBase]: 24/238 cut-off events. [2024-10-31 21:57:10,118 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-31 21:57:10,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 238 events. 24/238 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 636 event pairs, 4 based on Foata normal form. 4/216 useless extension candidates. Maximal degree in co-relation 188. Up to 28 conditions per place. [2024-10-31 21:57:10,120 INFO L140 encePairwiseOnDemand]: 164/166 looper letters, 7 selfloop transitions, 0 changer transitions 2/126 dead transitions. [2024-10-31 21:57:10,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 126 transitions, 306 flow [2024-10-31 21:57:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2024-10-31 21:57:10,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8815261044176707 [2024-10-31 21:57:10,123 INFO L175 Difference]: Start difference. First operand has 128 places, 127 transitions, 290 flow. Second operand 3 states and 439 transitions. [2024-10-31 21:57:10,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 126 transitions, 306 flow [2024-10-31 21:57:10,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 126 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:10,126 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 279 flow [2024-10-31 21:57:10,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-10-31 21:57:10,128 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -17 predicate places. [2024-10-31 21:57:10,128 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 279 flow [2024-10-31 21:57:10,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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) [2024-10-31 21:57:10,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:10,130 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:10,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 21:57:10,131 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:10,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:10,131 INFO L85 PathProgramCache]: Analyzing trace with hash -730566541, now seen corresponding path program 1 times [2024-10-31 21:57:10,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:10,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765653541] [2024-10-31 21:57:10,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:10,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:10,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:10,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765653541] [2024-10-31 21:57:10,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765653541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:10,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352746806] [2024-10-31 21:57:10,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:10,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:10,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:10,230 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-10-31 21:57:10,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2024-10-31 21:57:10,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:10,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-10-31 21:57:10,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:10,292 INFO L124 PetriNetUnfolderBase]: 41/247 cut-off events. [2024-10-31 21:57:10,292 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-31 21:57:10,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 247 events. 41/247 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 859 event pairs, 12 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 349. Up to 50 conditions per place. [2024-10-31 21:57:10,308 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-10-31 21:57:10,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 318 flow [2024-10-31 21:57:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2024-10-31 21:57:10,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2024-10-31 21:57:10,310 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 279 flow. Second operand 3 states and 434 transitions. [2024-10-31 21:57:10,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 318 flow [2024-10-31 21:57:10,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:57:10,315 INFO L231 Difference]: Finished difference. Result has 125 places, 123 transitions, 281 flow [2024-10-31 21:57:10,315 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=125, PETRI_TRANSITIONS=123} [2024-10-31 21:57:10,316 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -19 predicate places. [2024-10-31 21:57:10,316 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 123 transitions, 281 flow [2024-10-31 21:57:10,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2024-10-31 21:57:10,317 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:10,317 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:10,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 21:57:10,318 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-31 21:57:10,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:10,319 INFO L85 PathProgramCache]: Analyzing trace with hash 4804565, now seen corresponding path program 1 times [2024-10-31 21:57:10,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:10,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759677954] [2024-10-31 21:57:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:10,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:10,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:10,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759677954] [2024-10-31 21:57:10,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759677954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:10,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:10,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:10,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593537392] [2024-10-31 21:57:10,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:10,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:10,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:10,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:10,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:10,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-10-31 21:57:10,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 123 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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) [2024-10-31 21:57:10,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:10,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-10-31 21:57:10,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:10,471 INFO L124 PetriNetUnfolderBase]: 50/295 cut-off events. [2024-10-31 21:57:10,471 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-10-31 21:57:10,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 295 events. 50/295 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1181 event pairs, 16 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 414. Up to 59 conditions per place. [2024-10-31 21:57:10,473 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 125/125 dead transitions. [2024-10-31 21:57:10,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 320 flow [2024-10-31 21:57:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:57:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2024-10-31 21:57:10,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2024-10-31 21:57:10,475 INFO L175 Difference]: Start difference. First operand has 125 places, 123 transitions, 281 flow. Second operand 3 states and 434 transitions. [2024-10-31 21:57:10,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 320 flow [2024-10-31 21:57:10,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 125 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 21:57:10,478 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2024-10-31 21:57:10,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2024-10-31 21:57:10,479 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -20 predicate places. [2024-10-31 21:57:10,480 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2024-10-31 21:57:10,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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) [2024-10-31 21:57:10,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 47 remaining) [2024-10-31 21:57:10,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining) [2024-10-31 21:57:10,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining) [2024-10-31 21:57:10,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining) [2024-10-31 21:57:10,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining) [2024-10-31 21:57:10,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining) [2024-10-31 21:57:10,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (40 of 47 remaining) [2024-10-31 21:57:10,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining) [2024-10-31 21:57:10,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining) [2024-10-31 21:57:10,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining) [2024-10-31 21:57:10,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining) [2024-10-31 21:57:10,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining) [2024-10-31 21:57:10,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining) [2024-10-31 21:57:10,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining) [2024-10-31 21:57:10,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining) [2024-10-31 21:57:10,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining) [2024-10-31 21:57:10,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining) [2024-10-31 21:57:10,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining) [2024-10-31 21:57:10,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining) [2024-10-31 21:57:10,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining) [2024-10-31 21:57:10,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining) [2024-10-31 21:57:10,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining) [2024-10-31 21:57:10,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining) [2024-10-31 21:57:10,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining) [2024-10-31 21:57:10,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining) [2024-10-31 21:57:10,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 47 remaining) [2024-10-31 21:57:10,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 47 remaining) [2024-10-31 21:57:10,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 47 remaining) [2024-10-31 21:57:10,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 47 remaining) [2024-10-31 21:57:10,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 47 remaining) [2024-10-31 21:57:10,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 47 remaining) [2024-10-31 21:57:10,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining) [2024-10-31 21:57:10,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining) [2024-10-31 21:57:10,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining) [2024-10-31 21:57:10,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining) [2024-10-31 21:57:10,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining) [2024-10-31 21:57:10,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining) [2024-10-31 21:57:10,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining) [2024-10-31 21:57:10,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining) [2024-10-31 21:57:10,492 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining) [2024-10-31 21:57:10,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining) [2024-10-31 21:57:10,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining) [2024-10-31 21:57:10,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining) [2024-10-31 21:57:10,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining) [2024-10-31 21:57:10,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining) [2024-10-31 21:57:10,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining) [2024-10-31 21:57:10,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining) [2024-10-31 21:57:10,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 21:57:10,494 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:10,502 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:57:10,503 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:57:10,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:57:10 BasicIcfg [2024-10-31 21:57:10,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:57:10,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:57:10,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:57:10,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:57:10,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:07" (3/4) ... [2024-10-31 21:57:10,515 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:57:10,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 21:57:10,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 21:57:10,523 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-31 21:57:10,524 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 21:57:10,524 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:57:10,524 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:57:10,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:57:10,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:57:10,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:57:10,604 INFO L158 Benchmark]: Toolchain (without parser) took 4390.13ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 116.6MB in the beginning and 132.7MB in the end (delta: -16.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-10-31 21:57:10,604 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:10,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.54ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 103.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:57:10,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:10,605 INFO L158 Benchmark]: Boogie Preprocessor took 47.58ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 900.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:10,606 INFO L158 Benchmark]: RCFGBuilder took 690.75ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 78.3MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 21:57:10,606 INFO L158 Benchmark]: TraceAbstraction took 3185.30ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 77.7MB in the beginning and 136.9MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:10,607 INFO L158 Benchmark]: Witness Printer took 91.78ms. Allocated memory is still 197.1MB. Free memory was 136.9MB in the beginning and 132.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:57:10,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.54ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 103.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.58ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 900.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 690.75ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 78.3MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3185.30ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 77.7MB in the beginning and 136.9MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.78ms. Allocated memory is still 197.1MB. Free memory was 136.9MB in the beginning and 132.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 55]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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, 242 locations, 47 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 84 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 590 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 21:57:10,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d01b47-d8ff-4af0-9bc1-a65dbf8656c4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE