./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX --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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:34:07,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:34:07,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:34:07,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:34:07,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:34:07,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:34:07,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:34:07,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:34:07,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:34:07,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:34:07,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:34:07,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:34:07,325 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:34:07,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:34:07,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:34:07,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:34:07,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:34:07,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:34:07,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:34:07,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:34:07,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:34:07,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:34:07,335 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:34:07,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:34:07,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:34:07,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:34:07,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:34:07,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:34:07,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:34:07,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:34:07,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:34:07,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:34:07,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:34:07,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:34:07,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:34:07,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:34:07,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:34:07,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:34:07,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:34:07,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:34:07,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:34:07,342 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_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-08 17:34:07,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:34:07,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:34:07,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:34:07,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:34:07,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:34:07,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c Unable to find full path for "g++" [2024-11-08 17:34:09,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:34:10,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:34:10,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-08 17:34:10,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/data/dc894bdd3/b09a7163bad24bd2b279cc5a37c6c55c/FLAGf31c71afd [2024-11-08 17:34:10,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/data/dc894bdd3/b09a7163bad24bd2b279cc5a37c6c55c [2024-11-08 17:34:10,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:34:10,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:34:10,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:34:10,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:34:10,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:34:10,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc935ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10, skipping insertion in model container [2024-11-08 17:34:10,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:34:10,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:34:10,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:34:10,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:34:10,526 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:34:10,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10 WrapperNode [2024-11-08 17:34:10,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:34:10,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:34:10,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:34:10,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:34:10,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,612 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 413 [2024-11-08 17:34:10,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:34:10,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:34:10,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:34:10,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:34:10,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:34:10,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:34:10,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:34:10,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:34:10,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (1/1) ... [2024-11-08 17:34:10,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:34:10,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:34:10,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:34:10,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:34:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:34:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 17:34:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 17:34:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 17:34:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 17:34:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 17:34:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 17:34:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:34:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 17:34:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 17:34:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 17:34:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:34:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:34:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:34:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 17:34:10,808 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:34:10,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:34:10,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:34:11,922 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:34:11,922 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:34:12,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:34:12,333 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-08 17:34:12,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:34:12 BoogieIcfgContainer [2024-11-08 17:34:12,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:34:12,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:34:12,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:34:12,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:34:12,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:34:10" (1/3) ... [2024-11-08 17:34:12,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f7fde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:34:12, skipping insertion in model container [2024-11-08 17:34:12,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:34:10" (2/3) ... [2024-11-08 17:34:12,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f7fde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:34:12, skipping insertion in model container [2024-11-08 17:34:12,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:34:12" (3/3) ... [2024-11-08 17:34:12,349 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-08 17:34:12,372 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:34:12,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-11-08 17:34:12,373 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:34:12,548 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-08 17:34:12,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 399 places, 415 transitions, 851 flow [2024-11-08 17:34:12,900 INFO L124 PetriNetUnfolderBase]: 26/412 cut-off events. [2024-11-08 17:34:12,900 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 17:34:12,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 412 events. 26/412 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 815 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 324. Up to 2 conditions per place. [2024-11-08 17:34:12,916 INFO L82 GeneralOperation]: Start removeDead. Operand has 399 places, 415 transitions, 851 flow [2024-11-08 17:34:12,932 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 395 transitions, 808 flow [2024-11-08 17:34:12,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:34:12,963 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;@8f4c437, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:34:12,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-08 17:34:12,971 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:34:12,971 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-08 17:34:12,971 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:34:12,972 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:12,972 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] [2024-11-08 17:34:12,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:12,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:12,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1328482961, now seen corresponding path program 1 times [2024-11-08 17:34:12,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:12,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86940115] [2024-11-08 17:34:12,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:13,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:13,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86940115] [2024-11-08 17:34:13,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86940115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:13,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:13,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:13,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248618457] [2024-11-08 17:34:13,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:13,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:13,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:13,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:13,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:13,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 415 [2024-11-08 17:34:13,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 395 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:13,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:13,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 415 [2024-11-08 17:34:13,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:13,852 INFO L124 PetriNetUnfolderBase]: 77/1123 cut-off events. [2024-11-08 17:34:13,853 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-08 17:34:13,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 1123 events. 77/1123 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5995 event pairs, 38 based on Foata normal form. 78/1015 useless extension candidates. Maximal degree in co-relation 712. Up to 92 conditions per place. [2024-11-08 17:34:13,874 INFO L140 encePairwiseOnDemand]: 386/415 looper letters, 16 selfloop transitions, 2 changer transitions 5/368 dead transitions. [2024-11-08 17:34:13,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 368 transitions, 790 flow [2024-11-08 17:34:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2024-11-08 17:34:13,906 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9204819277108434 [2024-11-08 17:34:13,908 INFO L175 Difference]: Start difference. First operand has 380 places, 395 transitions, 808 flow. Second operand 3 states and 1146 transitions. [2024-11-08 17:34:13,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 368 transitions, 790 flow [2024-11-08 17:34:13,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 368 transitions, 778 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-08 17:34:13,930 INFO L231 Difference]: Finished difference. Result has 363 places, 363 transitions, 736 flow [2024-11-08 17:34:13,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=363, PETRI_TRANSITIONS=363} [2024-11-08 17:34:13,938 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -17 predicate places. [2024-11-08 17:34:13,940 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 363 transitions, 736 flow [2024-11-08 17:34:13,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:13,942 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:13,942 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] [2024-11-08 17:34:13,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:34:13,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:13,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash -533313009, now seen corresponding path program 1 times [2024-11-08 17:34:13,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:13,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697814918] [2024-11-08 17:34:13,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:13,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:14,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:14,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697814918] [2024-11-08 17:34:14,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697814918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:14,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:14,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:14,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406445103] [2024-11-08 17:34:14,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:14,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:14,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:14,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:14,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:14,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 415 [2024-11-08 17:34:14,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 363 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:14,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:14,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 415 [2024-11-08 17:34:14,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:14,437 INFO L124 PetriNetUnfolderBase]: 64/851 cut-off events. [2024-11-08 17:34:14,437 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:34:14,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 851 events. 64/851 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3749 event pairs, 34 based on Foata normal form. 0/714 useless extension candidates. Maximal degree in co-relation 920. Up to 85 conditions per place. [2024-11-08 17:34:14,450 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 16 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-08 17:34:14,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 362 transitions, 770 flow [2024-11-08 17:34:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2024-11-08 17:34:14,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8995983935742972 [2024-11-08 17:34:14,455 INFO L175 Difference]: Start difference. First operand has 363 places, 363 transitions, 736 flow. Second operand 3 states and 1120 transitions. [2024-11-08 17:34:14,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 362 transitions, 770 flow [2024-11-08 17:34:14,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 362 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:34:14,497 INFO L231 Difference]: Finished difference. Result has 357 places, 362 transitions, 734 flow [2024-11-08 17:34:14,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=357, PETRI_TRANSITIONS=362} [2024-11-08 17:34:14,498 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2024-11-08 17:34:14,499 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 362 transitions, 734 flow [2024-11-08 17:34:14,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:14,500 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:14,500 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] [2024-11-08 17:34:14,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:34:14,501 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:14,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash 663919935, now seen corresponding path program 1 times [2024-11-08 17:34:14,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:14,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861646353] [2024-11-08 17:34:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:14,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:14,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:14,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861646353] [2024-11-08 17:34:14,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861646353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:14,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:14,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:14,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500990683] [2024-11-08 17:34:14,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:14,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:14,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:14,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:14,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:14,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 415 [2024-11-08 17:34:14,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 362 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:14,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:14,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 415 [2024-11-08 17:34:14,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:14,883 INFO L124 PetriNetUnfolderBase]: 87/1027 cut-off events. [2024-11-08 17:34:14,884 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-08 17:34:14,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 1027 events. 87/1027 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5487 event pairs, 56 based on Foata normal form. 0/869 useless extension candidates. Maximal degree in co-relation 1119. Up to 113 conditions per place. [2024-11-08 17:34:14,901 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 16 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-11-08 17:34:14,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 361 transitions, 768 flow [2024-11-08 17:34:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2024-11-08 17:34:14,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8995983935742972 [2024-11-08 17:34:14,905 INFO L175 Difference]: Start difference. First operand has 357 places, 362 transitions, 734 flow. Second operand 3 states and 1120 transitions. [2024-11-08 17:34:14,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 361 transitions, 768 flow [2024-11-08 17:34:14,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 361 transitions, 764 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:34:14,913 INFO L231 Difference]: Finished difference. Result has 356 places, 361 transitions, 732 flow [2024-11-08 17:34:14,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=356, PETRI_TRANSITIONS=361} [2024-11-08 17:34:14,915 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -24 predicate places. [2024-11-08 17:34:14,915 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 361 transitions, 732 flow [2024-11-08 17:34:14,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:14,917 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:14,918 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] [2024-11-08 17:34:14,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:34:14,918 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:14,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:14,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1197957323, now seen corresponding path program 1 times [2024-11-08 17:34:14,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:14,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175477099] [2024-11-08 17:34:14,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:14,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:15,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:15,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175477099] [2024-11-08 17:34:15,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175477099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:15,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:15,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:15,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793646872] [2024-11-08 17:34:15,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:15,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:15,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:15,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:15,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:15,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-08 17:34:15,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 361 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:15,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:15,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-08 17:34:15,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:15,348 INFO L124 PetriNetUnfolderBase]: 101/1079 cut-off events. [2024-11-08 17:34:15,348 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-08 17:34:15,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 1079 events. 101/1079 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5661 event pairs, 59 based on Foata normal form. 0/907 useless extension candidates. Maximal degree in co-relation 1185. Up to 135 conditions per place. [2024-11-08 17:34:15,365 INFO L140 encePairwiseOnDemand]: 410/415 looper letters, 17 selfloop transitions, 1 changer transitions 0/357 dead transitions. [2024-11-08 17:34:15,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 357 transitions, 760 flow [2024-11-08 17:34:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2024-11-08 17:34:15,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8971887550200803 [2024-11-08 17:34:15,370 INFO L175 Difference]: Start difference. First operand has 356 places, 361 transitions, 732 flow. Second operand 3 states and 1117 transitions. [2024-11-08 17:34:15,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 357 transitions, 760 flow [2024-11-08 17:34:15,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 357 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:34:15,377 INFO L231 Difference]: Finished difference. Result has 352 places, 357 transitions, 722 flow [2024-11-08 17:34:15,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=352, PETRI_TRANSITIONS=357} [2024-11-08 17:34:15,379 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -28 predicate places. [2024-11-08 17:34:15,380 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 357 transitions, 722 flow [2024-11-08 17:34:15,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:15,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:15,382 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:15,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:34:15,383 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:15,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1208144267, now seen corresponding path program 1 times [2024-11-08 17:34:15,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:15,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445107757] [2024-11-08 17:34:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:15,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:15,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445107757] [2024-11-08 17:34:15,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445107757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:15,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:15,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:15,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586819385] [2024-11-08 17:34:15,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:15,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:15,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:15,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:15,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-08 17:34:15,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 357 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:15,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:15,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-08 17:34:15,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:16,029 INFO L124 PetriNetUnfolderBase]: 214/1661 cut-off events. [2024-11-08 17:34:16,030 INFO L125 PetriNetUnfolderBase]: For 32/35 co-relation queries the response was YES. [2024-11-08 17:34:16,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1967 conditions, 1661 events. 214/1661 cut-off events. For 32/35 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10946 event pairs, 135 based on Foata normal form. 0/1419 useless extension candidates. Maximal degree in co-relation 1919. Up to 280 conditions per place. [2024-11-08 17:34:16,051 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 18 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-08 17:34:16,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 356 transitions, 760 flow [2024-11-08 17:34:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1116 transitions. [2024-11-08 17:34:16,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8963855421686747 [2024-11-08 17:34:16,055 INFO L175 Difference]: Start difference. First operand has 352 places, 357 transitions, 722 flow. Second operand 3 states and 1116 transitions. [2024-11-08 17:34:16,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 356 transitions, 760 flow [2024-11-08 17:34:16,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 356 transitions, 759 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:34:16,063 INFO L231 Difference]: Finished difference. Result has 352 places, 356 transitions, 723 flow [2024-11-08 17:34:16,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=352, PETRI_TRANSITIONS=356} [2024-11-08 17:34:16,065 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -28 predicate places. [2024-11-08 17:34:16,065 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 356 transitions, 723 flow [2024-11-08 17:34:16,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:16,070 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:16,071 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:16,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:34:16,071 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:16,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash 986407576, now seen corresponding path program 1 times [2024-11-08 17:34:16,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:16,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704287541] [2024-11-08 17:34:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:16,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:16,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704287541] [2024-11-08 17:34:16,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704287541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:16,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:16,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:34:16,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650733523] [2024-11-08 17:34:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:16,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:34:16,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:34:16,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:34:17,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 415 [2024-11-08 17:34:17,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 356 transitions, 723 flow. Second operand has 6 states, 6 states have (on average 327.5) internal successors, (1965), 6 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:17,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:17,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 415 [2024-11-08 17:34:17,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:20,318 INFO L124 PetriNetUnfolderBase]: 2879/11748 cut-off events. [2024-11-08 17:34:20,319 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES. [2024-11-08 17:34:20,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15907 conditions, 11748 events. 2879/11748 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 125425 event pairs, 2079 based on Foata normal form. 0/9823 useless extension candidates. Maximal degree in co-relation 15860. Up to 4033 conditions per place. [2024-11-08 17:34:20,450 INFO L140 encePairwiseOnDemand]: 403/415 looper letters, 49 selfloop transitions, 10 changer transitions 0/354 dead transitions. [2024-11-08 17:34:20,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 354 transitions, 837 flow [2024-11-08 17:34:20,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:34:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:34:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2017 transitions. [2024-11-08 17:34:20,456 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8100401606425702 [2024-11-08 17:34:20,457 INFO L175 Difference]: Start difference. First operand has 352 places, 356 transitions, 723 flow. Second operand 6 states and 2017 transitions. [2024-11-08 17:34:20,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 354 transitions, 837 flow [2024-11-08 17:34:20,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 354 transitions, 833 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:34:20,464 INFO L231 Difference]: Finished difference. Result has 353 places, 354 transitions, 735 flow [2024-11-08 17:34:20,465 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=735, PETRI_PLACES=353, PETRI_TRANSITIONS=354} [2024-11-08 17:34:20,466 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -27 predicate places. [2024-11-08 17:34:20,467 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 354 transitions, 735 flow [2024-11-08 17:34:20,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 327.5) internal successors, (1965), 6 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:20,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:20,469 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:20,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:34:20,470 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:20,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:20,471 INFO L85 PathProgramCache]: Analyzing trace with hash 30243970, now seen corresponding path program 1 times [2024-11-08 17:34:20,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:20,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874915844] [2024-11-08 17:34:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:20,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:20,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:20,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874915844] [2024-11-08 17:34:20,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874915844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:20,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:20,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:20,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499915175] [2024-11-08 17:34:20,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:20,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:20,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:20,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:20,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-08 17:34:20,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 354 transitions, 735 flow. Second operand has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:20,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:20,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-08 17:34:20,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:21,126 INFO L124 PetriNetUnfolderBase]: 269/2529 cut-off events. [2024-11-08 17:34:21,127 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-08 17:34:21,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2887 conditions, 2529 events. 269/2529 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 19608 event pairs, 135 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 2854. Up to 322 conditions per place. [2024-11-08 17:34:21,156 INFO L140 encePairwiseOnDemand]: 410/415 looper letters, 17 selfloop transitions, 1 changer transitions 0/350 dead transitions. [2024-11-08 17:34:21,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 350 transitions, 763 flow [2024-11-08 17:34:21,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2024-11-08 17:34:21,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8971887550200803 [2024-11-08 17:34:21,160 INFO L175 Difference]: Start difference. First operand has 353 places, 354 transitions, 735 flow. Second operand 3 states and 1117 transitions. [2024-11-08 17:34:21,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 350 transitions, 763 flow [2024-11-08 17:34:21,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 350 transitions, 743 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:34:21,167 INFO L231 Difference]: Finished difference. Result has 346 places, 350 transitions, 709 flow [2024-11-08 17:34:21,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=709, PETRI_PLACES=346, PETRI_TRANSITIONS=350} [2024-11-08 17:34:21,169 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -34 predicate places. [2024-11-08 17:34:21,169 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 350 transitions, 709 flow [2024-11-08 17:34:21,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:21,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:21,172 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:21,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:34:21,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:21,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:21,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1256123180, now seen corresponding path program 1 times [2024-11-08 17:34:21,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:21,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724562417] [2024-11-08 17:34:21,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:21,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:21,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724562417] [2024-11-08 17:34:21,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724562417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:21,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:21,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:21,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863886692] [2024-11-08 17:34:21,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:21,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:21,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:21,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:21,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:21,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 415 [2024-11-08 17:34:21,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 350 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:21,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:21,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 415 [2024-11-08 17:34:21,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:21,452 INFO L124 PetriNetUnfolderBase]: 34/601 cut-off events. [2024-11-08 17:34:21,453 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 17:34:21,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 601 events. 34/601 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1975 event pairs, 15 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 606. Up to 40 conditions per place. [2024-11-08 17:34:21,460 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 12 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2024-11-08 17:34:21,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 349 transitions, 735 flow [2024-11-08 17:34:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-08 17:34:21,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9060240963855422 [2024-11-08 17:34:21,466 INFO L175 Difference]: Start difference. First operand has 346 places, 350 transitions, 709 flow. Second operand 3 states and 1128 transitions. [2024-11-08 17:34:21,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 349 transitions, 735 flow [2024-11-08 17:34:21,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 349 transitions, 734 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:34:21,475 INFO L231 Difference]: Finished difference. Result has 346 places, 349 transitions, 710 flow [2024-11-08 17:34:21,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=710, PETRI_PLACES=346, PETRI_TRANSITIONS=349} [2024-11-08 17:34:21,477 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -34 predicate places. [2024-11-08 17:34:21,478 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 349 transitions, 710 flow [2024-11-08 17:34:21,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:21,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:21,480 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:21,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:34:21,480 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:21,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:21,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1617374937, now seen corresponding path program 1 times [2024-11-08 17:34:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:21,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815096646] [2024-11-08 17:34:21,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:21,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:21,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:21,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815096646] [2024-11-08 17:34:21,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815096646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:21,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:21,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:21,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058008833] [2024-11-08 17:34:21,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:21,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:21,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:21,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:21,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:21,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-08 17:34:21,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 349 transitions, 710 flow. Second operand has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:21,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:21,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-08 17:34:21,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:21,920 INFO L124 PetriNetUnfolderBase]: 125/1370 cut-off events. [2024-11-08 17:34:21,920 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-08 17:34:21,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1370 events. 125/1370 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8514 event pairs, 71 based on Foata normal form. 0/1190 useless extension candidates. Maximal degree in co-relation 1491. Up to 150 conditions per place. [2024-11-08 17:34:21,939 INFO L140 encePairwiseOnDemand]: 410/415 looper letters, 17 selfloop transitions, 1 changer transitions 0/345 dead transitions. [2024-11-08 17:34:21,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 345 transitions, 738 flow [2024-11-08 17:34:21,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:21,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2024-11-08 17:34:21,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8971887550200803 [2024-11-08 17:34:21,944 INFO L175 Difference]: Start difference. First operand has 346 places, 349 transitions, 710 flow. Second operand 3 states and 1117 transitions. [2024-11-08 17:34:21,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 345 transitions, 738 flow [2024-11-08 17:34:21,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 345 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:34:21,955 INFO L231 Difference]: Finished difference. Result has 342 places, 345 transitions, 700 flow [2024-11-08 17:34:21,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=342, PETRI_TRANSITIONS=345} [2024-11-08 17:34:21,956 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -38 predicate places. [2024-11-08 17:34:21,957 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 345 transitions, 700 flow [2024-11-08 17:34:21,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:21,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:21,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:21,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:34:21,959 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:21,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:21,960 INFO L85 PathProgramCache]: Analyzing trace with hash 438313686, now seen corresponding path program 1 times [2024-11-08 17:34:21,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:21,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702517565] [2024-11-08 17:34:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:22,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:22,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702517565] [2024-11-08 17:34:22,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702517565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:22,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:22,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:22,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360756098] [2024-11-08 17:34:22,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:22,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:22,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:22,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:22,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 415 [2024-11-08 17:34:22,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 345 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:22,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:22,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 415 [2024-11-08 17:34:22,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:23,051 INFO L124 PetriNetUnfolderBase]: 773/4417 cut-off events. [2024-11-08 17:34:23,051 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-08 17:34:23,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5499 conditions, 4417 events. 773/4417 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 39689 event pairs, 325 based on Foata normal form. 0/3898 useless extension candidates. Maximal degree in co-relation 5452. Up to 1026 conditions per place. [2024-11-08 17:34:23,095 INFO L140 encePairwiseOnDemand]: 406/415 looper letters, 27 selfloop transitions, 3 changer transitions 0/347 dead transitions. [2024-11-08 17:34:23,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 347 transitions, 769 flow [2024-11-08 17:34:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1113 transitions. [2024-11-08 17:34:23,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8939759036144578 [2024-11-08 17:34:23,099 INFO L175 Difference]: Start difference. First operand has 342 places, 345 transitions, 700 flow. Second operand 3 states and 1113 transitions. [2024-11-08 17:34:23,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 347 transitions, 769 flow [2024-11-08 17:34:23,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 347 transitions, 768 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:34:23,107 INFO L231 Difference]: Finished difference. Result has 338 places, 342 transitions, 708 flow [2024-11-08 17:34:23,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=338, PETRI_TRANSITIONS=342} [2024-11-08 17:34:23,109 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -42 predicate places. [2024-11-08 17:34:23,109 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 342 transitions, 708 flow [2024-11-08 17:34:23,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:23,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:23,111 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:23,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:34:23,111 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:23,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1440642918, now seen corresponding path program 1 times [2024-11-08 17:34:23,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:23,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886346671] [2024-11-08 17:34:23,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:23,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:23,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886346671] [2024-11-08 17:34:23,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886346671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:23,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:23,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:34:23,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061799118] [2024-11-08 17:34:23,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:23,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:34:23,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:23,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:34:23,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:34:23,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 415 [2024-11-08 17:34:23,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 342 transitions, 708 flow. Second operand has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:23,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:23,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 415 [2024-11-08 17:34:23,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:24,474 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1436] thread3EXIT-->L104: Formula: (and (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [436#true, Black: 432#true, 425#(= |#race~size~0| 0), 199#L104true, 431#(= |#race~M~0| 0), 413#(= |#race~N~0| 0), 434#(= |#race~A~0| 0)]) [2024-11-08 17:34:24,475 INFO L294 olderBase$Statistics]: this new event has 289 ancestors and is cut-off event [2024-11-08 17:34:24,475 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-11-08 17:34:24,475 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-11-08 17:34:24,475 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2024-11-08 17:34:24,497 INFO L124 PetriNetUnfolderBase]: 223/2191 cut-off events. [2024-11-08 17:34:24,498 INFO L125 PetriNetUnfolderBase]: For 20/45 co-relation queries the response was YES. [2024-11-08 17:34:24,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2603 conditions, 2191 events. 223/2191 cut-off events. For 20/45 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15253 event pairs, 79 based on Foata normal form. 9/1988 useless extension candidates. Maximal degree in co-relation 2554. Up to 188 conditions per place. [2024-11-08 17:34:24,531 INFO L140 encePairwiseOnDemand]: 401/415 looper letters, 50 selfloop transitions, 15 changer transitions 0/372 dead transitions. [2024-11-08 17:34:24,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 372 transitions, 906 flow [2024-11-08 17:34:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:34:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 17:34:24,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3586 transitions. [2024-11-08 17:34:24,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8640963855421687 [2024-11-08 17:34:24,541 INFO L175 Difference]: Start difference. First operand has 338 places, 342 transitions, 708 flow. Second operand 10 states and 3586 transitions. [2024-11-08 17:34:24,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 372 transitions, 906 flow [2024-11-08 17:34:24,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 372 transitions, 906 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:34:24,549 INFO L231 Difference]: Finished difference. Result has 351 places, 350 transitions, 782 flow [2024-11-08 17:34:24,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=782, PETRI_PLACES=351, PETRI_TRANSITIONS=350} [2024-11-08 17:34:24,551 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -29 predicate places. [2024-11-08 17:34:24,551 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 350 transitions, 782 flow [2024-11-08 17:34:24,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:24,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:24,553 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:24,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:34:24,554 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:24,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:24,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1922110252, now seen corresponding path program 1 times [2024-11-08 17:34:24,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:24,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802096324] [2024-11-08 17:34:24,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:24,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:24,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802096324] [2024-11-08 17:34:24,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802096324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:24,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:24,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:34:24,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992334291] [2024-11-08 17:34:24,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:24,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:34:24,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:24,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:34:24,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:34:24,798 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-08 17:34:24,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 350 transitions, 782 flow. Second operand has 5 states, 5 states have (on average 367.0) internal successors, (1835), 5 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:24,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:24,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-08 17:34:24,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:25,433 INFO L124 PetriNetUnfolderBase]: 341/2702 cut-off events. [2024-11-08 17:34:25,433 INFO L125 PetriNetUnfolderBase]: For 102/148 co-relation queries the response was YES. [2024-11-08 17:34:25,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3358 conditions, 2702 events. 341/2702 cut-off events. For 102/148 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 19099 event pairs, 129 based on Foata normal form. 18/2429 useless extension candidates. Maximal degree in co-relation 3300. Up to 327 conditions per place. [2024-11-08 17:34:25,472 INFO L140 encePairwiseOnDemand]: 409/415 looper letters, 31 selfloop transitions, 5 changer transitions 0/365 dead transitions. [2024-11-08 17:34:25,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 365 transitions, 892 flow [2024-11-08 17:34:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:34:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:34:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1862 transitions. [2024-11-08 17:34:25,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8973493975903615 [2024-11-08 17:34:25,477 INFO L175 Difference]: Start difference. First operand has 351 places, 350 transitions, 782 flow. Second operand 5 states and 1862 transitions. [2024-11-08 17:34:25,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 365 transitions, 892 flow [2024-11-08 17:34:25,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 365 transitions, 888 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:34:25,483 INFO L231 Difference]: Finished difference. Result has 356 places, 352 transitions, 803 flow [2024-11-08 17:34:25,484 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=803, PETRI_PLACES=356, PETRI_TRANSITIONS=352} [2024-11-08 17:34:25,485 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -24 predicate places. [2024-11-08 17:34:25,485 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 352 transitions, 803 flow [2024-11-08 17:34:25,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 367.0) internal successors, (1835), 5 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:25,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:25,487 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:25,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:34:25,487 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:25,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:25,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1609790385, now seen corresponding path program 1 times [2024-11-08 17:34:25,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:25,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135795266] [2024-11-08 17:34:25,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:25,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:26,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:26,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135795266] [2024-11-08 17:34:26,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135795266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:26,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:26,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:34:26,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443528353] [2024-11-08 17:34:26,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:26,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:34:26,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:26,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:34:26,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:34:26,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 415 [2024-11-08 17:34:26,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 352 transitions, 803 flow. Second operand has 6 states, 6 states have (on average 354.6666666666667) internal successors, (2128), 6 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:26,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:26,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 415 [2024-11-08 17:34:26,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:27,155 INFO L124 PetriNetUnfolderBase]: 515/2776 cut-off events. [2024-11-08 17:34:27,155 INFO L125 PetriNetUnfolderBase]: For 303/357 co-relation queries the response was YES. [2024-11-08 17:34:27,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3883 conditions, 2776 events. 515/2776 cut-off events. For 303/357 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 21152 event pairs, 110 based on Foata normal form. 4/2466 useless extension candidates. Maximal degree in co-relation 3826. Up to 332 conditions per place. [2024-11-08 17:34:27,194 INFO L140 encePairwiseOnDemand]: 408/415 looper letters, 45 selfloop transitions, 5 changer transitions 0/366 dead transitions. [2024-11-08 17:34:27,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 366 transitions, 939 flow [2024-11-08 17:34:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:34:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:34:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2168 transitions. [2024-11-08 17:34:27,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8706827309236947 [2024-11-08 17:34:27,201 INFO L175 Difference]: Start difference. First operand has 356 places, 352 transitions, 803 flow. Second operand 6 states and 2168 transitions. [2024-11-08 17:34:27,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 366 transitions, 939 flow [2024-11-08 17:34:27,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 366 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:34:27,208 INFO L231 Difference]: Finished difference. Result has 357 places, 350 transitions, 804 flow [2024-11-08 17:34:27,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=804, PETRI_PLACES=357, PETRI_TRANSITIONS=350} [2024-11-08 17:34:27,210 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2024-11-08 17:34:27,210 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 350 transitions, 804 flow [2024-11-08 17:34:27,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 354.6666666666667) internal successors, (2128), 6 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:27,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:27,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:27,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:34:27,213 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:27,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:27,214 INFO L85 PathProgramCache]: Analyzing trace with hash -835881672, now seen corresponding path program 1 times [2024-11-08 17:34:27,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:27,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783443881] [2024-11-08 17:34:27,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:27,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:27,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:27,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783443881] [2024-11-08 17:34:27,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783443881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:27,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:27,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:34:27,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65589157] [2024-11-08 17:34:27,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:27,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:34:27,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:27,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:34:27,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:34:28,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 415 [2024-11-08 17:34:28,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 350 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 354.8333333333333) internal successors, (2129), 6 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:28,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:28,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 415 [2024-11-08 17:34:28,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:29,179 INFO L124 PetriNetUnfolderBase]: 635/2927 cut-off events. [2024-11-08 17:34:29,179 INFO L125 PetriNetUnfolderBase]: For 306/427 co-relation queries the response was YES. [2024-11-08 17:34:29,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4132 conditions, 2927 events. 635/2927 cut-off events. For 306/427 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 22278 event pairs, 88 based on Foata normal form. 0/2663 useless extension candidates. Maximal degree in co-relation 4075. Up to 496 conditions per place. [2024-11-08 17:34:29,215 INFO L140 encePairwiseOnDemand]: 408/415 looper letters, 43 selfloop transitions, 5 changer transitions 0/364 dead transitions. [2024-11-08 17:34:29,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 364 transitions, 936 flow [2024-11-08 17:34:29,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:34:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:34:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2168 transitions. [2024-11-08 17:34:29,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8706827309236947 [2024-11-08 17:34:29,228 INFO L175 Difference]: Start difference. First operand has 357 places, 350 transitions, 804 flow. Second operand 6 states and 2168 transitions. [2024-11-08 17:34:29,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 364 transitions, 936 flow [2024-11-08 17:34:29,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 364 transitions, 926 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:34:29,241 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 800 flow [2024-11-08 17:34:29,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=800, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2024-11-08 17:34:29,243 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -25 predicate places. [2024-11-08 17:34:29,243 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 800 flow [2024-11-08 17:34:29,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 354.8333333333333) internal successors, (2129), 6 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:29,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:29,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:29,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:34:29,246 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:29,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:29,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1566322755, now seen corresponding path program 1 times [2024-11-08 17:34:29,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:29,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988737180] [2024-11-08 17:34:29,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:29,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:34:29,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:29,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988737180] [2024-11-08 17:34:29,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988737180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:29,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:29,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:34:29,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282262833] [2024-11-08 17:34:29,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:29,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:34:29,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:29,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:34:29,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:34:30,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 415 [2024-11-08 17:34:30,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 355.1666666666667) internal successors, (2131), 6 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:30,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:30,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 415 [2024-11-08 17:34:30,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:31,144 INFO L124 PetriNetUnfolderBase]: 354/2346 cut-off events. [2024-11-08 17:34:31,145 INFO L125 PetriNetUnfolderBase]: For 141/220 co-relation queries the response was YES. [2024-11-08 17:34:31,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3380 conditions, 2346 events. 354/2346 cut-off events. For 141/220 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18281 event pairs, 91 based on Foata normal form. 12/2195 useless extension candidates. Maximal degree in co-relation 3323. Up to 278 conditions per place. [2024-11-08 17:34:31,178 INFO L140 encePairwiseOnDemand]: 408/415 looper letters, 45 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2024-11-08 17:34:31,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 362 transitions, 936 flow [2024-11-08 17:34:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:34:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:34:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2168 transitions. [2024-11-08 17:34:31,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8706827309236947 [2024-11-08 17:34:31,184 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 800 flow. Second operand 6 states and 2168 transitions. [2024-11-08 17:34:31,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 362 transitions, 936 flow [2024-11-08 17:34:31,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 362 transitions, 926 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:34:31,194 INFO L231 Difference]: Finished difference. Result has 353 places, 346 transitions, 796 flow [2024-11-08 17:34:31,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=796, PETRI_PLACES=353, PETRI_TRANSITIONS=346} [2024-11-08 17:34:31,196 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -27 predicate places. [2024-11-08 17:34:31,196 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 346 transitions, 796 flow [2024-11-08 17:34:31,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 355.1666666666667) internal successors, (2131), 6 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:31,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:31,198 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:31,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:34:31,198 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:31,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:31,199 INFO L85 PathProgramCache]: Analyzing trace with hash 733116361, now seen corresponding path program 1 times [2024-11-08 17:34:31,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:31,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965051799] [2024-11-08 17:34:31,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:31,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:31,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:31,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965051799] [2024-11-08 17:34:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965051799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:31,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:31,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713902896] [2024-11-08 17:34:31,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:31,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:31,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:31,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:31,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:31,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 415 [2024-11-08 17:34:31,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 346 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:31,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:31,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 415 [2024-11-08 17:34:31,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:31,615 INFO L124 PetriNetUnfolderBase]: 132/1647 cut-off events. [2024-11-08 17:34:31,615 INFO L125 PetriNetUnfolderBase]: For 44/69 co-relation queries the response was YES. [2024-11-08 17:34:31,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 1647 events. 132/1647 cut-off events. For 44/69 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9953 event pairs, 38 based on Foata normal form. 0/1542 useless extension candidates. Maximal degree in co-relation 1965. Up to 149 conditions per place. [2024-11-08 17:34:31,629 INFO L140 encePairwiseOnDemand]: 413/415 looper letters, 10 selfloop transitions, 1 changer transitions 0/345 dead transitions. [2024-11-08 17:34:31,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 345 transitions, 816 flow [2024-11-08 17:34:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-08 17:34:31,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9132530120481928 [2024-11-08 17:34:31,633 INFO L175 Difference]: Start difference. First operand has 353 places, 346 transitions, 796 flow. Second operand 3 states and 1137 transitions. [2024-11-08 17:34:31,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 345 transitions, 816 flow [2024-11-08 17:34:31,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 345 transitions, 806 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:34:31,641 INFO L231 Difference]: Finished difference. Result has 349 places, 345 transitions, 786 flow [2024-11-08 17:34:31,641 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=349, PETRI_TRANSITIONS=345} [2024-11-08 17:34:31,642 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -31 predicate places. [2024-11-08 17:34:31,642 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 345 transitions, 786 flow [2024-11-08 17:34:31,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:31,643 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:34:31,643 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:31,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:34:31,644 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-08 17:34:31,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:34:31,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1867869962, now seen corresponding path program 1 times [2024-11-08 17:34:31,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:34:31,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539108955] [2024-11-08 17:34:31,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:34:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:34:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:34:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:31,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:34:31,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539108955] [2024-11-08 17:34:31,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539108955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:34:31,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:34:31,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:34:31,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713908094] [2024-11-08 17:34:31,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:34:31,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:34:31,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:34:31,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:34:31,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 415 [2024-11-08 17:34:31,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 345 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:31,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:34:31,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 415 [2024-11-08 17:34:31,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:34:32,098 INFO L124 PetriNetUnfolderBase]: 132/1639 cut-off events. [2024-11-08 17:34:32,099 INFO L125 PetriNetUnfolderBase]: For 44/69 co-relation queries the response was YES. [2024-11-08 17:34:32,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1978 conditions, 1639 events. 132/1639 cut-off events. For 44/69 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9846 event pairs, 38 based on Foata normal form. 8/1542 useless extension candidates. Maximal degree in co-relation 1928. Up to 149 conditions per place. [2024-11-08 17:34:32,117 INFO L140 encePairwiseOnDemand]: 413/415 looper letters, 0 selfloop transitions, 0 changer transitions 344/344 dead transitions. [2024-11-08 17:34:32,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 344 transitions, 804 flow [2024-11-08 17:34:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:34:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:34:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-08 17:34:32,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9124497991967871 [2024-11-08 17:34:32,121 INFO L175 Difference]: Start difference. First operand has 349 places, 345 transitions, 786 flow. Second operand 3 states and 1136 transitions. [2024-11-08 17:34:32,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 344 transitions, 804 flow [2024-11-08 17:34:32,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 344 transitions, 803 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:34:32,127 INFO L231 Difference]: Finished difference. Result has 349 places, 0 transitions, 0 flow [2024-11-08 17:34:32,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=349, PETRI_TRANSITIONS=0} [2024-11-08 17:34:32,128 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -31 predicate places. [2024-11-08 17:34:32,128 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 0 transitions, 0 flow [2024-11-08 17:34:32,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:34:32,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2024-11-08 17:34:32,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-08 17:34:32,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-08 17:34:32,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-08 17:34:32,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-08 17:34:32,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-08 17:34:32,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-08 17:34:32,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-08 17:34:32,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-08 17:34:32,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-08 17:34:32,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-08 17:34:32,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-08 17:34:32,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-08 17:34:32,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-08 17:34:32,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-08 17:34:32,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-08 17:34:32,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-08 17:34:32,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-08 17:34:32,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-08 17:34:32,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-08 17:34:32,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-08 17:34:32,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-08 17:34:32,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-08 17:34:32,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-08 17:34:32,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-08 17:34:32,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-08 17:34:32,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-08 17:34:32,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-08 17:34:32,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-08 17:34:32,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-08 17:34:32,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-08 17:34:32,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-08 17:34:32,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 79 remaining) [2024-11-08 17:34:32,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 79 remaining) [2024-11-08 17:34:32,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2024-11-08 17:34:32,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-08 17:34:32,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-08 17:34:32,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-08 17:34:32,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-08 17:34:32,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-08 17:34:32,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-08 17:34:32,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-08 17:34:32,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-08 17:34:32,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-08 17:34:32,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-08 17:34:32,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-08 17:34:32,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-08 17:34:32,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-08 17:34:32,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-08 17:34:32,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-08 17:34:32,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-08 17:34:32,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-08 17:34:32,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-08 17:34:32,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-08 17:34:32,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-08 17:34:32,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-08 17:34:32,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-08 17:34:32,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-08 17:34:32,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-08 17:34:32,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-08 17:34:32,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-08 17:34:32,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-08 17:34:32,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-08 17:34:32,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-08 17:34:32,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-08 17:34:32,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-08 17:34:32,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:34:32,149 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:34:32,158 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:34:32,158 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:34:32,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:34:32 BasicIcfg [2024-11-08 17:34:32,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:34:32,166 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:34:32,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:34:32,167 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:34:32,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:34:12" (3/4) ... [2024-11-08 17:34:32,171 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:34:32,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 17:34:32,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 17:34:32,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 17:34:32,183 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-08 17:34:32,183 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:34:32,184 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:34:32,184 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:34:32,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:34:32,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:34:32,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:34:32,322 INFO L158 Benchmark]: Toolchain (without parser) took 22242.49ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 908.1MB). Free memory was 123.8MB in the beginning and 620.7MB in the end (delta: -496.9MB). Peak memory consumption was 414.0MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,322 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 161.5MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:34:32,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.46ms. Allocated memory is still 161.5MB. Free memory was 123.5MB in the beginning and 108.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.15ms. Allocated memory is still 161.5MB. Free memory was 108.2MB in the beginning and 104.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,326 INFO L158 Benchmark]: Boogie Preprocessor took 116.22ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 101.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,327 INFO L158 Benchmark]: RCFGBuilder took 1600.71ms. Allocated memory is still 161.5MB. Free memory was 101.3MB in the beginning and 92.0MB in the end (delta: 9.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,327 INFO L158 Benchmark]: TraceAbstraction took 19827.75ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 908.1MB). Free memory was 91.2MB in the beginning and 627.0MB in the end (delta: -535.7MB). Peak memory consumption was 372.1MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,328 INFO L158 Benchmark]: Witness Printer took 155.12ms. Allocated memory is still 1.1GB. Free memory was 627.0MB in the beginning and 620.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:34:32,329 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 161.5MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.46ms. Allocated memory is still 161.5MB. Free memory was 123.5MB in the beginning and 108.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.15ms. Allocated memory is still 161.5MB. Free memory was 108.2MB in the beginning and 104.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.22ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 101.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1600.71ms. Allocated memory is still 161.5MB. Free memory was 101.3MB in the beginning and 92.0MB in the end (delta: 9.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19827.75ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 908.1MB). Free memory was 91.2MB in the beginning and 627.0MB in the end (delta: -535.7MB). Peak memory consumption was 372.1MB. Max. memory is 16.1GB. * Witness Printer took 155.12ms. Allocated memory is still 1.1GB. Free memory was 627.0MB in the beginning and 620.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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 7 procedures, 567 locations, 79 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: 19.6s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1627 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 876 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 374 mSDsCounter, 384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2567 IncrementalHoareTripleChecker+Invalid, 2951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 384 mSolverCounterUnsat, 188 mSDtfsCounter, 2567 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=808occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1798 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1781 ConstructedInterpolants, 0 QuantifiedInterpolants, 2553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 1/1 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 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:34:32,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87c8dbd-6391-4b77-bf57-55482fcadf1b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE