./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx --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 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:49,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:49,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:28:49,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:49,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:49,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:49,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:49,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:49,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:28:49,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:28:49,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:49,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:49,998 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:49,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:49,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:28:50,000 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:28:50,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:28:50,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:28:50,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:50,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:28:50,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:28:50,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:28:50,006 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:28:50,006 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:28:50,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:28:50,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:50,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:50,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:50,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:50,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:28:50,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:50,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:50,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:28:50,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:28:50,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:28:50,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:28:50,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:28:50,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:28:50,015 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:28:50,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:28:50,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:28:50,016 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_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 [2023-11-21 22:28:50,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:50,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:50,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:50,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:50,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:50,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2023-11-21 22:28:53,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:28:53,697 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:28:53,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2023-11-21 22:28:53,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/data/3ecab3d31/b62e760249f64d2fad53b0a464214537/FLAG5f1be5251 [2023-11-21 22:28:53,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/data/3ecab3d31/b62e760249f64d2fad53b0a464214537 [2023-11-21 22:28:53,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:28:53,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:28:53,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:53,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:28:53,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:28:53,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137deb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53, skipping insertion in model container [2023-11-21 22:28:53,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:28:54,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:54,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:28:54,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:54,181 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:28:54,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54 WrapperNode [2023-11-21 22:28:54,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:54,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:54,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:28:54,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:28:54,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,250 INFO L138 Inliner]: procedures = 24, calls = 42, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 421 [2023-11-21 22:28:54,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:54,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:28:54,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:28:54,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:28:54,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:28:54,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:28:54,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:28:54,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:28:54,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (1/1) ... [2023-11-21 22:28:54,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:54,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:54,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:54,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:28:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:28:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:28:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:28:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:28:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:28:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:28:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:28:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:28:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:28:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:28:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:28:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:28:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:28:54,413 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:28:54,576 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:28:54,578 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:28:55,428 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:28:55,450 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:28:55,450 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 22:28:55,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:55 BoogieIcfgContainer [2023-11-21 22:28:55,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:28:55,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:28:55,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:28:55,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:28:55,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:28:53" (1/3) ... [2023-11-21 22:28:55,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7977edb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:28:55, skipping insertion in model container [2023-11-21 22:28:55,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:54" (2/3) ... [2023-11-21 22:28:55,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7977edb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:28:55, skipping insertion in model container [2023-11-21 22:28:55,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:55" (3/3) ... [2023-11-21 22:28:55,463 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-11-21 22:28:55,473 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:28:55,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:28:55,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2023-11-21 22:28:55,485 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:28:55,734 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 22:28:55,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 531 places, 553 transitions, 1120 flow [2023-11-21 22:28:56,049 INFO L124 PetriNetUnfolderBase]: 29/551 cut-off events. [2023-11-21 22:28:56,050 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 22:28:56,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 551 events. 29/551 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1504 event pairs, 0 based on Foata normal form. 0/451 useless extension candidates. Maximal degree in co-relation 414. Up to 2 conditions per place. [2023-11-21 22:28:56,066 INFO L82 GeneralOperation]: Start removeDead. Operand has 531 places, 553 transitions, 1120 flow [2023-11-21 22:28:56,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 509 places, 530 transitions, 1072 flow [2023-11-21 22:28:56,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:28:56,099 INFO L357 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, mHoare=true, 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;@7ec52cc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:28:56,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2023-11-21 22:28:56,115 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:28:56,115 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-21 22:28:56,115 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:28:56,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:28:56,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:56,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:28:56,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:56,122 INFO L85 PathProgramCache]: Analyzing trace with hash 758366989, now seen corresponding path program 1 times [2023-11-21 22:28:56,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:56,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331005273] [2023-11-21 22:28:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:56,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:56,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331005273] [2023-11-21 22:28:56,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331005273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:56,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:56,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:28:56,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120798216] [2023-11-21 22:28:56,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:56,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:28:56,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:56,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:56,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:56,488 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 521 out of 553 [2023-11-21 22:28:56,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 530 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 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) [2023-11-21 22:28:56,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:28:56,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 521 of 553 [2023-11-21 22:28:56,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:28:56,704 INFO L124 PetriNetUnfolderBase]: 33/820 cut-off events. [2023-11-21 22:28:56,705 INFO L125 PetriNetUnfolderBase]: For 21/25 co-relation queries the response was YES. [2023-11-21 22:28:56,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 820 events. 33/820 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4023 event pairs, 9 based on Foata normal form. 21/687 useless extension candidates. Maximal degree in co-relation 690. Up to 36 conditions per place. [2023-11-21 22:28:56,720 INFO L140 encePairwiseOnDemand]: 536/553 looper letters, 12 selfloop transitions, 2 changer transitions 3/515 dead transitions. [2023-11-21 22:28:56,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 515 transitions, 1070 flow [2023-11-21 22:28:56,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:28:56,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:28:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1592 transitions. [2023-11-21 22:28:56,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9596142254370102 [2023-11-21 22:28:56,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1592 transitions. [2023-11-21 22:28:56,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1592 transitions. [2023-11-21 22:28:56,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:56,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1592 transitions. [2023-11-21 22:28:56,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 530.6666666666666) internal successors, (1592), 3 states have internal predecessors, (1592), 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) [2023-11-21 22:28:56,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:56,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:56,781 INFO L175 Difference]: Start difference. First operand has 509 places, 530 transitions, 1072 flow. Second operand 3 states and 1592 transitions. [2023-11-21 22:28:56,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 515 transitions, 1070 flow [2023-11-21 22:28:56,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 515 transitions, 1062 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:28:56,807 INFO L231 Difference]: Finished difference. Result has 506 places, 512 transitions, 1032 flow [2023-11-21 22:28:56,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1032, PETRI_PLACES=506, PETRI_TRANSITIONS=512} [2023-11-21 22:28:56,815 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -3 predicate places. [2023-11-21 22:28:56,816 INFO L495 AbstractCegarLoop]: Abstraction has has 506 places, 512 transitions, 1032 flow [2023-11-21 22:28:56,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 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) [2023-11-21 22:28:56,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:28:56,818 INFO L208 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] [2023-11-21 22:28:56,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:28:56,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:28:56,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2110952021, now seen corresponding path program 1 times [2023-11-21 22:28:56,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:56,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640254706] [2023-11-21 22:28:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:56,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:56,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:56,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640254706] [2023-11-21 22:28:56,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640254706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:56,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:56,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:28:56,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438718519] [2023-11-21 22:28:56,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:56,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:28:56,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:56,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:56,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:56,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 553 [2023-11-21 22:28:56,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 512 transitions, 1032 flow. Second operand has 3 states, 3 states have (on average 517.3333333333334) internal successors, (1552), 3 states have internal predecessors, (1552), 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) [2023-11-21 22:28:56,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:28:56,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 553 [2023-11-21 22:28:56,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:28:57,208 INFO L124 PetriNetUnfolderBase]: 40/931 cut-off events. [2023-11-21 22:28:57,208 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-21 22:28:57,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 931 events. 40/931 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4426 event pairs, 15 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 960. Up to 48 conditions per place. [2023-11-21 22:28:57,223 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 17 selfloop transitions, 2 changer transitions 0/511 dead transitions. [2023-11-21 22:28:57,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 511 transitions, 1068 flow [2023-11-21 22:28:57,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:28:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:28:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1568 transitions. [2023-11-21 22:28:57,230 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9451476793248945 [2023-11-21 22:28:57,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1568 transitions. [2023-11-21 22:28:57,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1568 transitions. [2023-11-21 22:28:57,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:57,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1568 transitions. [2023-11-21 22:28:57,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 522.6666666666666) internal successors, (1568), 3 states have internal predecessors, (1568), 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) [2023-11-21 22:28:57,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:57,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:57,245 INFO L175 Difference]: Start difference. First operand has 506 places, 512 transitions, 1032 flow. Second operand 3 states and 1568 transitions. [2023-11-21 22:28:57,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 511 transitions, 1068 flow [2023-11-21 22:28:57,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 511 transitions, 1064 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:28:57,258 INFO L231 Difference]: Finished difference. Result has 502 places, 511 transitions, 1030 flow [2023-11-21 22:28:57,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1030, PETRI_PLACES=502, PETRI_TRANSITIONS=511} [2023-11-21 22:28:57,260 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -7 predicate places. [2023-11-21 22:28:57,260 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 511 transitions, 1030 flow [2023-11-21 22:28:57,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 517.3333333333334) internal successors, (1552), 3 states have internal predecessors, (1552), 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) [2023-11-21 22:28:57,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:28:57,263 INFO L208 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] [2023-11-21 22:28:57,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:28:57,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:28:57,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1356813023, now seen corresponding path program 1 times [2023-11-21 22:28:57,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250221055] [2023-11-21 22:28:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:57,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:57,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250221055] [2023-11-21 22:28:57,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250221055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:57,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:57,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:28:57,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975181016] [2023-11-21 22:28:57,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:57,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:28:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:57,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:57,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:57,395 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 553 [2023-11-21 22:28:57,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 511 transitions, 1030 flow. Second operand has 3 states, 3 states have (on average 503.0) internal successors, (1509), 3 states have internal predecessors, (1509), 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) [2023-11-21 22:28:57,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:28:57,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 553 [2023-11-21 22:28:57,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:28:57,843 INFO L124 PetriNetUnfolderBase]: 142/2012 cut-off events. [2023-11-21 22:28:57,843 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2023-11-21 22:28:57,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2179 conditions, 2012 events. 142/2012 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 12859 event pairs, 44 based on Foata normal form. 0/1625 useless extension candidates. Maximal degree in co-relation 2143. Up to 157 conditions per place. [2023-11-21 22:28:57,878 INFO L140 encePairwiseOnDemand]: 542/553 looper letters, 24 selfloop transitions, 1 changer transitions 0/501 dead transitions. [2023-11-21 22:28:57,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 501 transitions, 1060 flow [2023-11-21 22:28:57,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:28:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:28:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1541 transitions. [2023-11-21 22:28:57,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9288728149487643 [2023-11-21 22:28:57,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1541 transitions. [2023-11-21 22:28:57,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1541 transitions. [2023-11-21 22:28:57,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:57,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1541 transitions. [2023-11-21 22:28:57,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 513.6666666666666) internal successors, (1541), 3 states have internal predecessors, (1541), 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) [2023-11-21 22:28:57,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:57,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:57,898 INFO L175 Difference]: Start difference. First operand has 502 places, 511 transitions, 1030 flow. Second operand 3 states and 1541 transitions. [2023-11-21 22:28:57,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 501 transitions, 1060 flow [2023-11-21 22:28:57,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 501 transitions, 1056 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:28:57,910 INFO L231 Difference]: Finished difference. Result has 492 places, 501 transitions, 1008 flow [2023-11-21 22:28:57,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1006, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1008, PETRI_PLACES=492, PETRI_TRANSITIONS=501} [2023-11-21 22:28:57,912 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -17 predicate places. [2023-11-21 22:28:57,913 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 501 transitions, 1008 flow [2023-11-21 22:28:57,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 503.0) internal successors, (1509), 3 states have internal predecessors, (1509), 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) [2023-11-21 22:28:57,914 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:28:57,914 INFO L208 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] [2023-11-21 22:28:57,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:28:57,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:28:57,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1790049436, now seen corresponding path program 1 times [2023-11-21 22:28:57,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542221092] [2023-11-21 22:28:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:58,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:58,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542221092] [2023-11-21 22:28:58,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542221092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:58,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:58,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:28:58,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669620062] [2023-11-21 22:28:58,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:58,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:28:58,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:58,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:58,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:58,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 518 out of 553 [2023-11-21 22:28:58,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 501 transitions, 1008 flow. Second operand has 3 states, 3 states have (on average 519.3333333333334) internal successors, (1558), 3 states have internal predecessors, (1558), 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) [2023-11-21 22:28:58,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:28:58,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 518 of 553 [2023-11-21 22:28:58,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:28:58,287 INFO L124 PetriNetUnfolderBase]: 40/913 cut-off events. [2023-11-21 22:28:58,287 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-21 22:28:58,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 913 events. 40/913 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4253 event pairs, 15 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 931. Up to 46 conditions per place. [2023-11-21 22:28:58,309 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 15 selfloop transitions, 2 changer transitions 0/500 dead transitions. [2023-11-21 22:28:58,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 500 transitions, 1040 flow [2023-11-21 22:28:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:28:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:28:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1572 transitions. [2023-11-21 22:28:58,315 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9475587703435805 [2023-11-21 22:28:58,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1572 transitions. [2023-11-21 22:28:58,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1572 transitions. [2023-11-21 22:28:58,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:58,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1572 transitions. [2023-11-21 22:28:58,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 524.0) internal successors, (1572), 3 states have internal predecessors, (1572), 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) [2023-11-21 22:28:58,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:58,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:28:58,329 INFO L175 Difference]: Start difference. First operand has 492 places, 501 transitions, 1008 flow. Second operand 3 states and 1572 transitions. [2023-11-21 22:28:58,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 500 transitions, 1040 flow [2023-11-21 22:28:58,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 500 transitions, 1039 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:28:58,342 INFO L231 Difference]: Finished difference. Result has 492 places, 500 transitions, 1009 flow [2023-11-21 22:28:58,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1005, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1009, PETRI_PLACES=492, PETRI_TRANSITIONS=500} [2023-11-21 22:28:58,345 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -17 predicate places. [2023-11-21 22:28:58,345 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 500 transitions, 1009 flow [2023-11-21 22:28:58,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 519.3333333333334) internal successors, (1558), 3 states have internal predecessors, (1558), 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) [2023-11-21 22:28:58,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:28:58,348 INFO L208 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] [2023-11-21 22:28:58,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:28:58,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:28:58,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:58,349 INFO L85 PathProgramCache]: Analyzing trace with hash -92552085, now seen corresponding path program 1 times [2023-11-21 22:28:58,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583814051] [2023-11-21 22:28:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:59,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:59,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583814051] [2023-11-21 22:28:59,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583814051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:59,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:59,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:28:59,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240717478] [2023-11-21 22:28:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:59,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:28:59,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:59,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:28:59,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:28:59,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 479 out of 553 [2023-11-21 22:28:59,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 500 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 480.5) internal successors, (2883), 6 states have internal predecessors, (2883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:59,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:28:59,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 479 of 553 [2023-11-21 22:28:59,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:02,192 INFO L124 PetriNetUnfolderBase]: 1897/12642 cut-off events. [2023-11-21 22:29:02,193 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2023-11-21 22:29:02,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15110 conditions, 12642 events. 1897/12642 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 136742 event pairs, 1280 based on Foata normal form. 0/10251 useless extension candidates. Maximal degree in co-relation 15075. Up to 2452 conditions per place. [2023-11-21 22:29:02,336 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 52 selfloop transitions, 5 changer transitions 0/499 dead transitions. [2023-11-21 22:29:02,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 499 transitions, 1121 flow [2023-11-21 22:29:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:29:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2932 transitions. [2023-11-21 22:29:02,346 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8836648583484027 [2023-11-21 22:29:02,346 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2932 transitions. [2023-11-21 22:29:02,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2932 transitions. [2023-11-21 22:29:02,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:02,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2932 transitions. [2023-11-21 22:29:02,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 488.6666666666667) internal successors, (2932), 6 states have internal predecessors, (2932), 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) [2023-11-21 22:29:02,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:02,371 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:02,371 INFO L175 Difference]: Start difference. First operand has 492 places, 500 transitions, 1009 flow. Second operand 6 states and 2932 transitions. [2023-11-21 22:29:02,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 499 transitions, 1121 flow [2023-11-21 22:29:02,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 499 transitions, 1117 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:02,383 INFO L231 Difference]: Finished difference. Result has 494 places, 499 transitions, 1013 flow [2023-11-21 22:29:02,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1003, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1013, PETRI_PLACES=494, PETRI_TRANSITIONS=499} [2023-11-21 22:29:02,385 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -15 predicate places. [2023-11-21 22:29:02,385 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 499 transitions, 1013 flow [2023-11-21 22:29:02,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 480.5) internal successors, (2883), 6 states have internal predecessors, (2883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:02,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:02,388 INFO L208 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] [2023-11-21 22:29:02,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:29:02,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:02,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1870826301, now seen corresponding path program 1 times [2023-11-21 22:29:02,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:02,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956124134] [2023-11-21 22:29:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956124134] [2023-11-21 22:29:02,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956124134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:02,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:02,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:02,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892540557] [2023-11-21 22:29:02,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:02,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:02,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:02,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:02,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:02,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 517 out of 553 [2023-11-21 22:29:02,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 499 transitions, 1013 flow. Second operand has 3 states, 3 states have (on average 518.3333333333334) internal successors, (1555), 3 states have internal predecessors, (1555), 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) [2023-11-21 22:29:02,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:02,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 517 of 553 [2023-11-21 22:29:02,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:02,825 INFO L124 PetriNetUnfolderBase]: 84/1595 cut-off events. [2023-11-21 22:29:02,825 INFO L125 PetriNetUnfolderBase]: For 10/20 co-relation queries the response was YES. [2023-11-21 22:29:02,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1595 events. 84/1595 cut-off events. For 10/20 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9712 event pairs, 16 based on Foata normal form. 1/1315 useless extension candidates. Maximal degree in co-relation 1671. Up to 78 conditions per place. [2023-11-21 22:29:02,845 INFO L140 encePairwiseOnDemand]: 546/553 looper letters, 16 selfloop transitions, 2 changer transitions 0/497 dead transitions. [2023-11-21 22:29:02,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 497 transitions, 1046 flow [2023-11-21 22:29:02,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1574 transitions. [2023-11-21 22:29:02,852 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487643158529234 [2023-11-21 22:29:02,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1574 transitions. [2023-11-21 22:29:02,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1574 transitions. [2023-11-21 22:29:02,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:02,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1574 transitions. [2023-11-21 22:29:02,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 524.6666666666666) internal successors, (1574), 3 states have internal predecessors, (1574), 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) [2023-11-21 22:29:02,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:02,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:02,868 INFO L175 Difference]: Start difference. First operand has 494 places, 499 transitions, 1013 flow. Second operand 3 states and 1574 transitions. [2023-11-21 22:29:02,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 497 transitions, 1046 flow [2023-11-21 22:29:02,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 497 transitions, 1036 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:29:02,884 INFO L231 Difference]: Finished difference. Result has 487 places, 496 transitions, 1007 flow [2023-11-21 22:29:02,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=993, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1007, PETRI_PLACES=487, PETRI_TRANSITIONS=496} [2023-11-21 22:29:02,889 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -22 predicate places. [2023-11-21 22:29:02,889 INFO L495 AbstractCegarLoop]: Abstraction has has 487 places, 496 transitions, 1007 flow [2023-11-21 22:29:02,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 518.3333333333334) internal successors, (1555), 3 states have internal predecessors, (1555), 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) [2023-11-21 22:29:02,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:02,891 INFO L208 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] [2023-11-21 22:29:02,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:29:02,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:02,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:02,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2003012876, now seen corresponding path program 1 times [2023-11-21 22:29:02,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:02,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159399607] [2023-11-21 22:29:02,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:02,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:02,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159399607] [2023-11-21 22:29:02,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159399607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:02,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:02,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120356152] [2023-11-21 22:29:02,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:02,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:02,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:02,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:02,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:03,000 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 553 [2023-11-21 22:29:03,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 496 transitions, 1007 flow. Second operand has 3 states, 3 states have (on average 521.0) internal successors, (1563), 3 states have internal predecessors, (1563), 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) [2023-11-21 22:29:03,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:03,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 553 [2023-11-21 22:29:03,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:03,272 INFO L124 PetriNetUnfolderBase]: 46/1184 cut-off events. [2023-11-21 22:29:03,273 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2023-11-21 22:29:03,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1235 conditions, 1184 events. 46/1184 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5650 event pairs, 1 based on Foata normal form. 1/991 useless extension candidates. Maximal degree in co-relation 1200. Up to 20 conditions per place. [2023-11-21 22:29:03,288 INFO L140 encePairwiseOnDemand]: 546/553 looper letters, 11 selfloop transitions, 3 changer transitions 0/493 dead transitions. [2023-11-21 22:29:03,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 493 transitions, 1030 flow [2023-11-21 22:29:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1578 transitions. [2023-11-21 22:29:03,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9511754068716094 [2023-11-21 22:29:03,296 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1578 transitions. [2023-11-21 22:29:03,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1578 transitions. [2023-11-21 22:29:03,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:03,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1578 transitions. [2023-11-21 22:29:03,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 526.0) internal successors, (1578), 3 states have internal predecessors, (1578), 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) [2023-11-21 22:29:03,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:03,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:03,312 INFO L175 Difference]: Start difference. First operand has 487 places, 496 transitions, 1007 flow. Second operand 3 states and 1578 transitions. [2023-11-21 22:29:03,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 493 transitions, 1030 flow [2023-11-21 22:29:03,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 493 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:29:03,327 INFO L231 Difference]: Finished difference. Result has 485 places, 492 transitions, 1005 flow [2023-11-21 22:29:03,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1005, PETRI_PLACES=485, PETRI_TRANSITIONS=492} [2023-11-21 22:29:03,330 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -24 predicate places. [2023-11-21 22:29:03,330 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 492 transitions, 1005 flow [2023-11-21 22:29:03,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 521.0) internal successors, (1563), 3 states have internal predecessors, (1563), 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) [2023-11-21 22:29:03,332 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:03,332 INFO L208 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] [2023-11-21 22:29:03,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:29:03,332 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:03,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:03,333 INFO L85 PathProgramCache]: Analyzing trace with hash -615393689, now seen corresponding path program 1 times [2023-11-21 22:29:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:03,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732907567] [2023-11-21 22:29:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:03,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:03,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:03,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732907567] [2023-11-21 22:29:03,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732907567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:03,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:03,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:03,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660431765] [2023-11-21 22:29:03,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:03,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:03,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:03,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:03,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:03,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 553 [2023-11-21 22:29:03,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 492 transitions, 1005 flow. Second operand has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2023-11-21 22:29:03,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:03,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 553 [2023-11-21 22:29:03,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:03,775 INFO L124 PetriNetUnfolderBase]: 89/1125 cut-off events. [2023-11-21 22:29:03,775 INFO L125 PetriNetUnfolderBase]: For 52/56 co-relation queries the response was YES. [2023-11-21 22:29:03,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 1125 events. 89/1125 cut-off events. For 52/56 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6316 event pairs, 7 based on Foata normal form. 3/1000 useless extension candidates. Maximal degree in co-relation 1316. Up to 173 conditions per place. [2023-11-21 22:29:03,786 INFO L140 encePairwiseOnDemand]: 516/553 looper letters, 39 selfloop transitions, 14 changer transitions 5/471 dead transitions. [2023-11-21 22:29:03,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 471 transitions, 1074 flow [2023-11-21 22:29:03,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1457 transitions. [2023-11-21 22:29:03,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8782399035563593 [2023-11-21 22:29:03,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1457 transitions. [2023-11-21 22:29:03,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1457 transitions. [2023-11-21 22:29:03,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:03,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1457 transitions. [2023-11-21 22:29:03,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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) [2023-11-21 22:29:03,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:03,803 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:03,803 INFO L175 Difference]: Start difference. First operand has 485 places, 492 transitions, 1005 flow. Second operand 3 states and 1457 transitions. [2023-11-21 22:29:03,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 471 transitions, 1074 flow [2023-11-21 22:29:03,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 471 transitions, 1068 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:03,815 INFO L231 Difference]: Finished difference. Result has 463 places, 465 transitions, 972 flow [2023-11-21 22:29:03,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=972, PETRI_PLACES=463, PETRI_TRANSITIONS=465} [2023-11-21 22:29:03,817 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -46 predicate places. [2023-11-21 22:29:03,817 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 465 transitions, 972 flow [2023-11-21 22:29:03,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2023-11-21 22:29:03,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:03,818 INFO L208 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] [2023-11-21 22:29:03,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:29:03,818 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:03,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:03,819 INFO L85 PathProgramCache]: Analyzing trace with hash -896413942, now seen corresponding path program 1 times [2023-11-21 22:29:03,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:03,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062367924] [2023-11-21 22:29:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:03,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:04,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:04,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062367924] [2023-11-21 22:29:04,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062367924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:04,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:04,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:04,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188764285] [2023-11-21 22:29:04,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:04,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:04,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:04,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:04,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:04,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 553 [2023-11-21 22:29:04,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 465 transitions, 972 flow. Second operand has 6 states, 6 states have (on average 520.5) internal successors, (3123), 6 states have internal predecessors, (3123), 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) [2023-11-21 22:29:04,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:04,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 553 [2023-11-21 22:29:04,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:05,039 INFO L124 PetriNetUnfolderBase]: 27/765 cut-off events. [2023-11-21 22:29:05,040 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:29:05,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 765 events. 27/765 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2886 event pairs, 0 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 786. Up to 15 conditions per place. [2023-11-21 22:29:05,049 INFO L140 encePairwiseOnDemand]: 548/553 looper letters, 10 selfloop transitions, 4 changer transitions 0/464 dead transitions. [2023-11-21 22:29:05,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 464 transitions, 998 flow [2023-11-21 22:29:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:29:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3129 transitions. [2023-11-21 22:29:05,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9430379746835443 [2023-11-21 22:29:05,060 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3129 transitions. [2023-11-21 22:29:05,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3129 transitions. [2023-11-21 22:29:05,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:05,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3129 transitions. [2023-11-21 22:29:05,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 521.5) internal successors, (3129), 6 states have internal predecessors, (3129), 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) [2023-11-21 22:29:05,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:05,081 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:05,081 INFO L175 Difference]: Start difference. First operand has 463 places, 465 transitions, 972 flow. Second operand 6 states and 3129 transitions. [2023-11-21 22:29:05,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 464 transitions, 998 flow [2023-11-21 22:29:05,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 464 transitions, 970 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:05,093 INFO L231 Difference]: Finished difference. Result has 460 places, 464 transitions, 950 flow [2023-11-21 22:29:05,094 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=942, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=950, PETRI_PLACES=460, PETRI_TRANSITIONS=464} [2023-11-21 22:29:05,095 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -49 predicate places. [2023-11-21 22:29:05,095 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 464 transitions, 950 flow [2023-11-21 22:29:05,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 520.5) internal successors, (3123), 6 states have internal predecessors, (3123), 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) [2023-11-21 22:29:05,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:05,098 INFO L208 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] [2023-11-21 22:29:05,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:29:05,098 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:05,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:05,099 INFO L85 PathProgramCache]: Analyzing trace with hash -706244854, now seen corresponding path program 1 times [2023-11-21 22:29:05,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:05,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690094861] [2023-11-21 22:29:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:05,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:05,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690094861] [2023-11-21 22:29:05,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690094861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:05,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:05,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:05,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846979020] [2023-11-21 22:29:05,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:05,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:05,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:05,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:05,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 553 [2023-11-21 22:29:05,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 464 transitions, 950 flow. Second operand has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2023-11-21 22:29:05,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:05,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 553 [2023-11-21 22:29:05,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:05,496 INFO L124 PetriNetUnfolderBase]: 139/2029 cut-off events. [2023-11-21 22:29:05,496 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-21 22:29:05,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2210 conditions, 2029 events. 139/2029 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 13067 event pairs, 15 based on Foata normal form. 0/1809 useless extension candidates. Maximal degree in co-relation 2174. Up to 143 conditions per place. [2023-11-21 22:29:05,515 INFO L140 encePairwiseOnDemand]: 540/553 looper letters, 22 selfloop transitions, 5 changer transitions 0/463 dead transitions. [2023-11-21 22:29:05,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 463 transitions, 1004 flow [2023-11-21 22:29:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1559 transitions. [2023-11-21 22:29:05,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9397227245328511 [2023-11-21 22:29:05,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1559 transitions. [2023-11-21 22:29:05,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1559 transitions. [2023-11-21 22:29:05,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:05,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1559 transitions. [2023-11-21 22:29:05,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 519.6666666666666) internal successors, (1559), 3 states have internal predecessors, (1559), 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) [2023-11-21 22:29:05,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:05,531 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:05,532 INFO L175 Difference]: Start difference. First operand has 460 places, 464 transitions, 950 flow. Second operand 3 states and 1559 transitions. [2023-11-21 22:29:05,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 463 transitions, 1004 flow [2023-11-21 22:29:05,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 463 transitions, 997 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:29:05,543 INFO L231 Difference]: Finished difference. Result has 451 places, 461 transitions, 962 flow [2023-11-21 22:29:05,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=962, PETRI_PLACES=451, PETRI_TRANSITIONS=461} [2023-11-21 22:29:05,546 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -58 predicate places. [2023-11-21 22:29:05,546 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 461 transitions, 962 flow [2023-11-21 22:29:05,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2023-11-21 22:29:05,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:05,547 INFO L208 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] [2023-11-21 22:29:05,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:29:05,548 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:05,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:05,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1513702832, now seen corresponding path program 1 times [2023-11-21 22:29:05,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:05,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374068397] [2023-11-21 22:29:05,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:05,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:05,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374068397] [2023-11-21 22:29:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374068397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:05,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:05,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:05,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732809277] [2023-11-21 22:29:05,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:05,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:05,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:05,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:05,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:29:05,743 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 526 out of 553 [2023-11-21 22:29:05,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 461 transitions, 962 flow. Second operand has 4 states, 4 states have (on average 527.25) internal successors, (2109), 4 states have internal predecessors, (2109), 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) [2023-11-21 22:29:05,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:05,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 526 of 553 [2023-11-21 22:29:05,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:06,177 INFO L124 PetriNetUnfolderBase]: 127/2517 cut-off events. [2023-11-21 22:29:06,177 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-21 22:29:06,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2676 conditions, 2517 events. 127/2517 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 16762 event pairs, 7 based on Foata normal form. 1/2246 useless extension candidates. Maximal degree in co-relation 2639. Up to 59 conditions per place. [2023-11-21 22:29:06,204 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 13 selfloop transitions, 6 changer transitions 0/470 dead transitions. [2023-11-21 22:29:06,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 470 transitions, 1022 flow [2023-11-21 22:29:06,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:29:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 22:29:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2650 transitions. [2023-11-21 22:29:06,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9584086799276673 [2023-11-21 22:29:06,212 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2650 transitions. [2023-11-21 22:29:06,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2650 transitions. [2023-11-21 22:29:06,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:06,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2650 transitions. [2023-11-21 22:29:06,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 530.0) internal successors, (2650), 5 states have internal predecessors, (2650), 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) [2023-11-21 22:29:06,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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) [2023-11-21 22:29:06,230 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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) [2023-11-21 22:29:06,230 INFO L175 Difference]: Start difference. First operand has 451 places, 461 transitions, 962 flow. Second operand 5 states and 2650 transitions. [2023-11-21 22:29:06,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 470 transitions, 1022 flow [2023-11-21 22:29:06,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 470 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:29:06,242 INFO L231 Difference]: Finished difference. Result has 458 places, 465 transitions, 1000 flow [2023-11-21 22:29:06,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1000, PETRI_PLACES=458, PETRI_TRANSITIONS=465} [2023-11-21 22:29:06,243 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -51 predicate places. [2023-11-21 22:29:06,243 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 465 transitions, 1000 flow [2023-11-21 22:29:06,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 527.25) internal successors, (2109), 4 states have internal predecessors, (2109), 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) [2023-11-21 22:29:06,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:06,245 INFO L208 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] [2023-11-21 22:29:06,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:29:06,245 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:06,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:06,246 INFO L85 PathProgramCache]: Analyzing trace with hash 331073827, now seen corresponding path program 1 times [2023-11-21 22:29:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:06,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474771663] [2023-11-21 22:29:06,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:06,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:06,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474771663] [2023-11-21 22:29:06,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474771663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:06,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:06,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:06,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682888070] [2023-11-21 22:29:06,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:06,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:06,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:06,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:06,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:07,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 553 [2023-11-21 22:29:07,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 465 transitions, 1000 flow. Second operand has 6 states, 6 states have (on average 520.6666666666666) internal successors, (3124), 6 states have internal predecessors, (3124), 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) [2023-11-21 22:29:07,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:07,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 553 [2023-11-21 22:29:07,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:07,799 INFO L124 PetriNetUnfolderBase]: 80/1662 cut-off events. [2023-11-21 22:29:07,799 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-21 22:29:07,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1782 conditions, 1662 events. 80/1662 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 9105 event pairs, 5 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 1739. Up to 42 conditions per place. [2023-11-21 22:29:07,821 INFO L140 encePairwiseOnDemand]: 548/553 looper letters, 10 selfloop transitions, 4 changer transitions 0/464 dead transitions. [2023-11-21 22:29:07,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 464 transitions, 1026 flow [2023-11-21 22:29:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:29:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3129 transitions. [2023-11-21 22:29:07,831 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9430379746835443 [2023-11-21 22:29:07,831 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3129 transitions. [2023-11-21 22:29:07,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3129 transitions. [2023-11-21 22:29:07,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:07,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3129 transitions. [2023-11-21 22:29:07,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 521.5) internal successors, (3129), 6 states have internal predecessors, (3129), 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) [2023-11-21 22:29:07,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:07,851 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:07,852 INFO L175 Difference]: Start difference. First operand has 458 places, 465 transitions, 1000 flow. Second operand 6 states and 3129 transitions. [2023-11-21 22:29:07,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 464 transitions, 1026 flow [2023-11-21 22:29:07,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 464 transitions, 1026 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:29:07,862 INFO L231 Difference]: Finished difference. Result has 462 places, 464 transitions, 1006 flow [2023-11-21 22:29:07,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1006, PETRI_PLACES=462, PETRI_TRANSITIONS=464} [2023-11-21 22:29:07,864 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -47 predicate places. [2023-11-21 22:29:07,865 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 464 transitions, 1006 flow [2023-11-21 22:29:07,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 520.6666666666666) internal successors, (3124), 6 states have internal predecessors, (3124), 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) [2023-11-21 22:29:07,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:07,867 INFO L208 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] [2023-11-21 22:29:07,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:29:07,867 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:07,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:07,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2011467393, now seen corresponding path program 1 times [2023-11-21 22:29:07,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:07,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130710751] [2023-11-21 22:29:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:08,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:08,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130710751] [2023-11-21 22:29:08,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130710751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:08,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:08,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:08,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057118724] [2023-11-21 22:29:08,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:08,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:08,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:08,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:08,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:09,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 519 out of 553 [2023-11-21 22:29:09,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 464 transitions, 1006 flow. Second operand has 6 states, 6 states have (on average 520.5) internal successors, (3123), 6 states have internal predecessors, (3123), 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) [2023-11-21 22:29:09,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:09,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 519 of 553 [2023-11-21 22:29:09,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:09,658 INFO L124 PetriNetUnfolderBase]: 102/1939 cut-off events. [2023-11-21 22:29:09,658 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-21 22:29:09,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2133 conditions, 1939 events. 102/1939 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 11790 event pairs, 6 based on Foata normal form. 0/1743 useless extension candidates. Maximal degree in co-relation 2107. Up to 46 conditions per place. [2023-11-21 22:29:09,682 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 15 selfloop transitions, 6 changer transitions 0/467 dead transitions. [2023-11-21 22:29:09,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 467 transitions, 1058 flow [2023-11-21 22:29:09,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:29:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3135 transitions. [2023-11-21 22:29:09,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9448462929475587 [2023-11-21 22:29:09,694 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3135 transitions. [2023-11-21 22:29:09,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3135 transitions. [2023-11-21 22:29:09,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:09,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3135 transitions. [2023-11-21 22:29:09,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 522.5) internal successors, (3135), 6 states have internal predecessors, (3135), 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) [2023-11-21 22:29:09,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:09,715 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:09,715 INFO L175 Difference]: Start difference. First operand has 462 places, 464 transitions, 1006 flow. Second operand 6 states and 3135 transitions. [2023-11-21 22:29:09,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 467 transitions, 1058 flow [2023-11-21 22:29:09,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 467 transitions, 1051 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:29:09,731 INFO L231 Difference]: Finished difference. Result has 462 places, 463 transitions, 1009 flow [2023-11-21 22:29:09,733 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=997, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1009, PETRI_PLACES=462, PETRI_TRANSITIONS=463} [2023-11-21 22:29:09,734 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -47 predicate places. [2023-11-21 22:29:09,734 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 463 transitions, 1009 flow [2023-11-21 22:29:09,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 520.5) internal successors, (3123), 6 states have internal predecessors, (3123), 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) [2023-11-21 22:29:09,735 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:09,735 INFO L208 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] [2023-11-21 22:29:09,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:29:09,736 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:09,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash -723329336, now seen corresponding path program 1 times [2023-11-21 22:29:09,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:09,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425266503] [2023-11-21 22:29:09,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:09,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:09,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425266503] [2023-11-21 22:29:09,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425266503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:09,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:09,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:09,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678083006] [2023-11-21 22:29:09,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:09,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:09,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:09,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:09,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:29:09,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 553 [2023-11-21 22:29:09,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 463 transitions, 1009 flow. Second operand has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 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) [2023-11-21 22:29:09,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:09,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 553 [2023-11-21 22:29:09,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:10,529 INFO L124 PetriNetUnfolderBase]: 155/2683 cut-off events. [2023-11-21 22:29:10,530 INFO L125 PetriNetUnfolderBase]: For 48/49 co-relation queries the response was YES. [2023-11-21 22:29:10,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3026 conditions, 2683 events. 155/2683 cut-off events. For 48/49 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 17494 event pairs, 14 based on Foata normal form. 0/2411 useless extension candidates. Maximal degree in co-relation 2983. Up to 111 conditions per place. [2023-11-21 22:29:10,560 INFO L140 encePairwiseOnDemand]: 544/553 looper letters, 18 selfloop transitions, 9 changer transitions 0/474 dead transitions. [2023-11-21 22:29:10,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 474 transitions, 1088 flow [2023-11-21 22:29:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:29:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 22:29:10,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2628 transitions. [2023-11-21 22:29:10,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9504520795660036 [2023-11-21 22:29:10,568 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2628 transitions. [2023-11-21 22:29:10,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2628 transitions. [2023-11-21 22:29:10,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:10,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2628 transitions. [2023-11-21 22:29:10,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 525.6) internal successors, (2628), 5 states have internal predecessors, (2628), 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) [2023-11-21 22:29:10,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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) [2023-11-21 22:29:10,583 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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) [2023-11-21 22:29:10,583 INFO L175 Difference]: Start difference. First operand has 462 places, 463 transitions, 1009 flow. Second operand 5 states and 2628 transitions. [2023-11-21 22:29:10,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 474 transitions, 1088 flow [2023-11-21 22:29:10,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 474 transitions, 1076 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:29:10,595 INFO L231 Difference]: Finished difference. Result has 464 places, 470 transitions, 1059 flow [2023-11-21 22:29:10,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=997, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1059, PETRI_PLACES=464, PETRI_TRANSITIONS=470} [2023-11-21 22:29:10,597 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -45 predicate places. [2023-11-21 22:29:10,597 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 470 transitions, 1059 flow [2023-11-21 22:29:10,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 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) [2023-11-21 22:29:10,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:10,598 INFO L208 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] [2023-11-21 22:29:10,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:29:10,599 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:10,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:10,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1146831618, now seen corresponding path program 1 times [2023-11-21 22:29:10,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:10,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358999078] [2023-11-21 22:29:10,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:10,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:10,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:10,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358999078] [2023-11-21 22:29:10,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358999078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:10,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:10,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:10,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129147660] [2023-11-21 22:29:10,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:10,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:10,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:10,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:10,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:10,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 524 out of 553 [2023-11-21 22:29:10,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 470 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 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) [2023-11-21 22:29:10,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:10,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 524 of 553 [2023-11-21 22:29:10,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:11,244 INFO L124 PetriNetUnfolderBase]: 176/3750 cut-off events. [2023-11-21 22:29:11,244 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2023-11-21 22:29:11,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4165 conditions, 3750 events. 176/3750 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 28199 event pairs, 18 based on Foata normal form. 0/3375 useless extension candidates. Maximal degree in co-relation 4119. Up to 91 conditions per place. [2023-11-21 22:29:11,274 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 9 selfloop transitions, 2 changer transitions 0/470 dead transitions. [2023-11-21 22:29:11,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 470 transitions, 1082 flow [2023-11-21 22:29:11,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:11,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1584 transitions. [2023-11-21 22:29:11,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9547920433996383 [2023-11-21 22:29:11,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1584 transitions. [2023-11-21 22:29:11,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1584 transitions. [2023-11-21 22:29:11,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:11,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1584 transitions. [2023-11-21 22:29:11,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 528.0) internal successors, (1584), 3 states have internal predecessors, (1584), 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) [2023-11-21 22:29:11,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:11,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:11,291 INFO L175 Difference]: Start difference. First operand has 464 places, 470 transitions, 1059 flow. Second operand 3 states and 1584 transitions. [2023-11-21 22:29:11,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 470 transitions, 1082 flow [2023-11-21 22:29:11,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 470 transitions, 1082 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:29:11,302 INFO L231 Difference]: Finished difference. Result has 465 places, 469 transitions, 1061 flow [2023-11-21 22:29:11,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=465, PETRI_TRANSITIONS=469} [2023-11-21 22:29:11,303 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -44 predicate places. [2023-11-21 22:29:11,304 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 469 transitions, 1061 flow [2023-11-21 22:29:11,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 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) [2023-11-21 22:29:11,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:11,305 INFO L208 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] [2023-11-21 22:29:11,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:29:11,305 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:11,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1138659758, now seen corresponding path program 1 times [2023-11-21 22:29:11,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:11,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273575322] [2023-11-21 22:29:11,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:11,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:11,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273575322] [2023-11-21 22:29:11,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273575322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:11,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:11,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:11,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942195369] [2023-11-21 22:29:11,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:11,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:11,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:11,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:11,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:29:11,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 553 [2023-11-21 22:29:11,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 469 transitions, 1061 flow. Second operand has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 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) [2023-11-21 22:29:11,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:11,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 553 [2023-11-21 22:29:11,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:12,108 INFO L124 PetriNetUnfolderBase]: 152/2667 cut-off events. [2023-11-21 22:29:12,108 INFO L125 PetriNetUnfolderBase]: For 148/149 co-relation queries the response was YES. [2023-11-21 22:29:12,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3100 conditions, 2667 events. 152/2667 cut-off events. For 148/149 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 17359 event pairs, 14 based on Foata normal form. 0/2415 useless extension candidates. Maximal degree in co-relation 3052. Up to 111 conditions per place. [2023-11-21 22:29:12,130 INFO L140 encePairwiseOnDemand]: 544/553 looper letters, 18 selfloop transitions, 9 changer transitions 0/476 dead transitions. [2023-11-21 22:29:12,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 476 transitions, 1132 flow [2023-11-21 22:29:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:29:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 22:29:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2628 transitions. [2023-11-21 22:29:12,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9504520795660036 [2023-11-21 22:29:12,139 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2628 transitions. [2023-11-21 22:29:12,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2628 transitions. [2023-11-21 22:29:12,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:12,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2628 transitions. [2023-11-21 22:29:12,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 525.6) internal successors, (2628), 5 states have internal predecessors, (2628), 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) [2023-11-21 22:29:12,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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) [2023-11-21 22:29:12,153 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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) [2023-11-21 22:29:12,154 INFO L175 Difference]: Start difference. First operand has 465 places, 469 transitions, 1061 flow. Second operand 5 states and 2628 transitions. [2023-11-21 22:29:12,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 476 transitions, 1132 flow [2023-11-21 22:29:12,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 476 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:12,165 INFO L231 Difference]: Finished difference. Result has 470 places, 472 transitions, 1103 flow [2023-11-21 22:29:12,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1103, PETRI_PLACES=470, PETRI_TRANSITIONS=472} [2023-11-21 22:29:12,167 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -39 predicate places. [2023-11-21 22:29:12,167 INFO L495 AbstractCegarLoop]: Abstraction has has 470 places, 472 transitions, 1103 flow [2023-11-21 22:29:12,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 521.5) internal successors, (2086), 4 states have internal predecessors, (2086), 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) [2023-11-21 22:29:12,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:12,168 INFO L208 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] [2023-11-21 22:29:12,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 22:29:12,169 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:12,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:12,169 INFO L85 PathProgramCache]: Analyzing trace with hash -610660810, now seen corresponding path program 1 times [2023-11-21 22:29:12,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:12,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761001569] [2023-11-21 22:29:12,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:12,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:12,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:12,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761001569] [2023-11-21 22:29:12,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761001569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:12,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:12,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:12,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264445410] [2023-11-21 22:29:12,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:12,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:12,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:12,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:12,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:13,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 553 [2023-11-21 22:29:13,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 472 transitions, 1103 flow. Second operand has 6 states, 6 states have (on average 478.6666666666667) internal successors, (2872), 6 states have internal predecessors, (2872), 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) [2023-11-21 22:29:13,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:13,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 553 [2023-11-21 22:29:13,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:13,626 INFO L124 PetriNetUnfolderBase]: 226/2313 cut-off events. [2023-11-21 22:29:13,626 INFO L125 PetriNetUnfolderBase]: For 305/306 co-relation queries the response was YES. [2023-11-21 22:29:13,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3185 conditions, 2313 events. 226/2313 cut-off events. For 305/306 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 15406 event pairs, 24 based on Foata normal form. 0/2155 useless extension candidates. Maximal degree in co-relation 3132. Up to 176 conditions per place. [2023-11-21 22:29:13,647 INFO L140 encePairwiseOnDemand]: 511/553 looper letters, 21 selfloop transitions, 39 changer transitions 0/469 dead transitions. [2023-11-21 22:29:13,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 469 transitions, 1221 flow [2023-11-21 22:29:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:29:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2925 transitions. [2023-11-21 22:29:13,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8815551537070524 [2023-11-21 22:29:13,658 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2925 transitions. [2023-11-21 22:29:13,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2925 transitions. [2023-11-21 22:29:13,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:13,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2925 transitions. [2023-11-21 22:29:13,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 487.5) internal successors, (2925), 6 states have internal predecessors, (2925), 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) [2023-11-21 22:29:13,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:13,674 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 553.0) internal successors, (3871), 7 states have internal predecessors, (3871), 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) [2023-11-21 22:29:13,674 INFO L175 Difference]: Start difference. First operand has 470 places, 472 transitions, 1103 flow. Second operand 6 states and 2925 transitions. [2023-11-21 22:29:13,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 469 transitions, 1221 flow [2023-11-21 22:29:13,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 469 transitions, 1221 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:29:13,686 INFO L231 Difference]: Finished difference. Result has 468 places, 465 transitions, 1167 flow [2023-11-21 22:29:13,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1167, PETRI_PLACES=468, PETRI_TRANSITIONS=465} [2023-11-21 22:29:13,688 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -41 predicate places. [2023-11-21 22:29:13,688 INFO L495 AbstractCegarLoop]: Abstraction has has 468 places, 465 transitions, 1167 flow [2023-11-21 22:29:13,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 478.6666666666667) internal successors, (2872), 6 states have internal predecessors, (2872), 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) [2023-11-21 22:29:13,689 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:13,689 INFO L208 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] [2023-11-21 22:29:13,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 22:29:13,690 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:13,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:13,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1233743809, now seen corresponding path program 1 times [2023-11-21 22:29:13,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:13,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092568969] [2023-11-21 22:29:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:13,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:13,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092568969] [2023-11-21 22:29:13,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092568969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:13,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:13,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:13,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352626507] [2023-11-21 22:29:13,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:13,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:13,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:13,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:13,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:13,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:13,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 465 transitions, 1167 flow. Second operand has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 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) [2023-11-21 22:29:13,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:13,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:13,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:14,424 INFO L124 PetriNetUnfolderBase]: 200/2798 cut-off events. [2023-11-21 22:29:14,424 INFO L125 PetriNetUnfolderBase]: For 340/342 co-relation queries the response was YES. [2023-11-21 22:29:14,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3814 conditions, 2798 events. 200/2798 cut-off events. For 340/342 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 19788 event pairs, 92 based on Foata normal form. 0/2627 useless extension candidates. Maximal degree in co-relation 3762. Up to 330 conditions per place. [2023-11-21 22:29:14,448 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 33 selfloop transitions, 2 changer transitions 0/465 dead transitions. [2023-11-21 22:29:14,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 465 transitions, 1238 flow [2023-11-21 22:29:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:14,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:14,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:14,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:14,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:14,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:14,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:14,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:14,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:14,463 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:14,463 INFO L175 Difference]: Start difference. First operand has 468 places, 465 transitions, 1167 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:14,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 465 transitions, 1238 flow [2023-11-21 22:29:14,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 465 transitions, 1160 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:29:14,476 INFO L231 Difference]: Finished difference. Result has 464 places, 464 transitions, 1091 flow [2023-11-21 22:29:14,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1091, PETRI_PLACES=464, PETRI_TRANSITIONS=464} [2023-11-21 22:29:14,478 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -45 predicate places. [2023-11-21 22:29:14,478 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 464 transitions, 1091 flow [2023-11-21 22:29:14,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 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) [2023-11-21 22:29:14,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:14,479 INFO L208 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] [2023-11-21 22:29:14,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 22:29:14,479 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err44ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:14,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:14,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1621735427, now seen corresponding path program 1 times [2023-11-21 22:29:14,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:14,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426550225] [2023-11-21 22:29:14,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:14,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:14,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:14,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426550225] [2023-11-21 22:29:14,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426550225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:14,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:14,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:14,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517637931] [2023-11-21 22:29:14,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:14,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:14,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:14,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:14,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:14,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:14,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 464 transitions, 1091 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2023-11-21 22:29:14,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:14,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:14,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:15,252 INFO L124 PetriNetUnfolderBase]: 204/2819 cut-off events. [2023-11-21 22:29:15,252 INFO L125 PetriNetUnfolderBase]: For 249/251 co-relation queries the response was YES. [2023-11-21 22:29:15,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3555 conditions, 2819 events. 204/2819 cut-off events. For 249/251 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 19950 event pairs, 92 based on Foata normal form. 0/2648 useless extension candidates. Maximal degree in co-relation 3503. Up to 330 conditions per place. [2023-11-21 22:29:15,284 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 33 selfloop transitions, 2 changer transitions 0/464 dead transitions. [2023-11-21 22:29:15,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 464 transitions, 1162 flow [2023-11-21 22:29:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:15,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:15,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:15,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:15,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:15,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:15,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:15,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:15,299 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:15,300 INFO L175 Difference]: Start difference. First operand has 464 places, 464 transitions, 1091 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:15,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 464 transitions, 1162 flow [2023-11-21 22:29:15,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 464 transitions, 1158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:15,311 INFO L231 Difference]: Finished difference. Result has 463 places, 463 transitions, 1089 flow [2023-11-21 22:29:15,313 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1089, PETRI_PLACES=463, PETRI_TRANSITIONS=463} [2023-11-21 22:29:15,313 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -46 predicate places. [2023-11-21 22:29:15,313 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 463 transitions, 1089 flow [2023-11-21 22:29:15,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2023-11-21 22:29:15,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:15,314 INFO L208 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] [2023-11-21 22:29:15,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 22:29:15,315 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:15,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash -317800034, now seen corresponding path program 1 times [2023-11-21 22:29:15,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:15,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253882530] [2023-11-21 22:29:15,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:15,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:15,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253882530] [2023-11-21 22:29:15,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253882530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:15,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:15,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:15,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721487146] [2023-11-21 22:29:15,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:15,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:15,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:15,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:15,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:15,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:15,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 463 transitions, 1089 flow. Second operand has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 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) [2023-11-21 22:29:15,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:15,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:15,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:16,046 INFO L124 PetriNetUnfolderBase]: 202/2801 cut-off events. [2023-11-21 22:29:16,046 INFO L125 PetriNetUnfolderBase]: For 251/253 co-relation queries the response was YES. [2023-11-21 22:29:16,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3538 conditions, 2801 events. 202/2801 cut-off events. For 251/253 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 19792 event pairs, 92 based on Foata normal form. 0/2637 useless extension candidates. Maximal degree in co-relation 3486. Up to 330 conditions per place. [2023-11-21 22:29:16,076 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 33 selfloop transitions, 2 changer transitions 0/463 dead transitions. [2023-11-21 22:29:16,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 463 transitions, 1160 flow [2023-11-21 22:29:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:16,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:16,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:16,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:16,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:16,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:16,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:16,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:16,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:16,090 INFO L175 Difference]: Start difference. First operand has 463 places, 463 transitions, 1089 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:16,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 463 transitions, 1160 flow [2023-11-21 22:29:16,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 463 transitions, 1156 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:16,102 INFO L231 Difference]: Finished difference. Result has 462 places, 462 transitions, 1087 flow [2023-11-21 22:29:16,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1083, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1087, PETRI_PLACES=462, PETRI_TRANSITIONS=462} [2023-11-21 22:29:16,103 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -47 predicate places. [2023-11-21 22:29:16,103 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 462 transitions, 1087 flow [2023-11-21 22:29:16,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 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) [2023-11-21 22:29:16,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:16,104 INFO L208 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] [2023-11-21 22:29:16,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-21 22:29:16,105 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err52ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:16,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:16,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1584084326, now seen corresponding path program 1 times [2023-11-21 22:29:16,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:16,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372320904] [2023-11-21 22:29:16,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:16,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:16,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:16,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372320904] [2023-11-21 22:29:16,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372320904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:16,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:16,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:16,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217651720] [2023-11-21 22:29:16,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:16,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:16,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:16,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:16,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:16,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:16,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 462 transitions, 1087 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2023-11-21 22:29:16,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:16,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:16,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:16,912 INFO L124 PetriNetUnfolderBase]: 202/2799 cut-off events. [2023-11-21 22:29:16,912 INFO L125 PetriNetUnfolderBase]: For 250/252 co-relation queries the response was YES. [2023-11-21 22:29:16,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3537 conditions, 2799 events. 202/2799 cut-off events. For 250/252 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 19755 event pairs, 92 based on Foata normal form. 0/2641 useless extension candidates. Maximal degree in co-relation 3485. Up to 330 conditions per place. [2023-11-21 22:29:16,939 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 32 selfloop transitions, 2 changer transitions 1/462 dead transitions. [2023-11-21 22:29:16,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 462 transitions, 1158 flow [2023-11-21 22:29:16,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:16,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:16,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:16,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:16,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:16,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:16,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:16,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:16,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:16,954 INFO L175 Difference]: Start difference. First operand has 462 places, 462 transitions, 1087 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:16,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 462 transitions, 1158 flow [2023-11-21 22:29:16,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 462 transitions, 1154 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:16,968 INFO L231 Difference]: Finished difference. Result has 461 places, 461 transitions, 1085 flow [2023-11-21 22:29:16,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1081, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1085, PETRI_PLACES=461, PETRI_TRANSITIONS=461} [2023-11-21 22:29:16,969 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -48 predicate places. [2023-11-21 22:29:16,970 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 461 transitions, 1085 flow [2023-11-21 22:29:16,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2023-11-21 22:29:16,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:16,971 INFO L208 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] [2023-11-21 22:29:16,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-21 22:29:16,971 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:16,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:16,972 INFO L85 PathProgramCache]: Analyzing trace with hash -811223127, now seen corresponding path program 1 times [2023-11-21 22:29:16,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:16,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819418578] [2023-11-21 22:29:16,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:16,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:17,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:17,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819418578] [2023-11-21 22:29:17,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819418578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:17,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:17,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:17,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651193160] [2023-11-21 22:29:17,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:17,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:17,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:17,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:17,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:17,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:17,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 461 transitions, 1085 flow. Second operand has 3 states, 3 states have (on average 503.6666666666667) internal successors, (1511), 3 states have internal predecessors, (1511), 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) [2023-11-21 22:29:17,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:17,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:17,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:17,798 INFO L124 PetriNetUnfolderBase]: 200/2779 cut-off events. [2023-11-21 22:29:17,798 INFO L125 PetriNetUnfolderBase]: For 249/251 co-relation queries the response was YES. [2023-11-21 22:29:17,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 2779 events. 200/2779 cut-off events. For 249/251 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 19612 event pairs, 92 based on Foata normal form. 0/2627 useless extension candidates. Maximal degree in co-relation 3463. Up to 330 conditions per place. [2023-11-21 22:29:17,820 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 33 selfloop transitions, 2 changer transitions 0/461 dead transitions. [2023-11-21 22:29:17,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 461 transitions, 1156 flow [2023-11-21 22:29:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:17,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:17,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:17,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:17,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:17,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:17,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:17,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:17,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:17,834 INFO L175 Difference]: Start difference. First operand has 461 places, 461 transitions, 1085 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:17,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 461 transitions, 1156 flow [2023-11-21 22:29:17,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 461 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:17,846 INFO L231 Difference]: Finished difference. Result has 460 places, 460 transitions, 1083 flow [2023-11-21 22:29:17,847 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1079, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1083, PETRI_PLACES=460, PETRI_TRANSITIONS=460} [2023-11-21 22:29:17,847 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -49 predicate places. [2023-11-21 22:29:17,847 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 460 transitions, 1083 flow [2023-11-21 22:29:17,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 503.6666666666667) internal successors, (1511), 3 states have internal predecessors, (1511), 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) [2023-11-21 22:29:17,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:17,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:17,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-21 22:29:17,849 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:17,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:17,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1940634720, now seen corresponding path program 1 times [2023-11-21 22:29:17,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:17,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660876436] [2023-11-21 22:29:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:17,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:17,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660876436] [2023-11-21 22:29:17,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660876436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:17,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:17,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:17,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107867342] [2023-11-21 22:29:17,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:17,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:17,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:17,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:17,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:18,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:18,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 460 transitions, 1083 flow. Second operand has 3 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 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) [2023-11-21 22:29:18,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:18,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:18,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:18,684 INFO L124 PetriNetUnfolderBase]: 200/2773 cut-off events. [2023-11-21 22:29:18,684 INFO L125 PetriNetUnfolderBase]: For 249/251 co-relation queries the response was YES. [2023-11-21 22:29:18,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3511 conditions, 2773 events. 200/2773 cut-off events. For 249/251 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 19520 event pairs, 92 based on Foata normal form. 0/2627 useless extension candidates. Maximal degree in co-relation 3459. Up to 330 conditions per place. [2023-11-21 22:29:18,720 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 33 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2023-11-21 22:29:18,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 460 transitions, 1154 flow [2023-11-21 22:29:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:18,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:18,726 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:18,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:18,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:18,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:18,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:18,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:18,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:18,734 INFO L175 Difference]: Start difference. First operand has 460 places, 460 transitions, 1083 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:18,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 460 transitions, 1154 flow [2023-11-21 22:29:18,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 460 transitions, 1150 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:18,746 INFO L231 Difference]: Finished difference. Result has 459 places, 459 transitions, 1081 flow [2023-11-21 22:29:18,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1081, PETRI_PLACES=459, PETRI_TRANSITIONS=459} [2023-11-21 22:29:18,748 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -50 predicate places. [2023-11-21 22:29:18,748 INFO L495 AbstractCegarLoop]: Abstraction has has 459 places, 459 transitions, 1081 flow [2023-11-21 22:29:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 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) [2023-11-21 22:29:18,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:29:18,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:18,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-21 22:29:18,749 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-21 22:29:18,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:18,750 INFO L85 PathProgramCache]: Analyzing trace with hash -32042185, now seen corresponding path program 1 times [2023-11-21 22:29:18,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:18,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042195923] [2023-11-21 22:29:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:18,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042195923] [2023-11-21 22:29:18,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042195923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:18,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:18,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:29:18,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665685399] [2023-11-21 22:29:18,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:18,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:18,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:18,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:18,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 553 [2023-11-21 22:29:18,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 459 transitions, 1081 flow. Second operand has 3 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 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) [2023-11-21 22:29:18,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:29:18,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 553 [2023-11-21 22:29:18,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:29:19,422 INFO L124 PetriNetUnfolderBase]: 200/2767 cut-off events. [2023-11-21 22:29:19,422 INFO L125 PetriNetUnfolderBase]: For 249/251 co-relation queries the response was YES. [2023-11-21 22:29:19,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3505 conditions, 2767 events. 200/2767 cut-off events. For 249/251 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 19388 event pairs, 92 based on Foata normal form. 0/2627 useless extension candidates. Maximal degree in co-relation 3453. Up to 330 conditions per place. [2023-11-21 22:29:19,437 INFO L140 encePairwiseOnDemand]: 550/553 looper letters, 0 selfloop transitions, 0 changer transitions 459/459 dead transitions. [2023-11-21 22:29:19,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 459 transitions, 1152 flow [2023-11-21 22:29:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:29:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1536 transitions. [2023-11-21 22:29:19,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258589511754068 [2023-11-21 22:29:19,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1536 transitions. [2023-11-21 22:29:19,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1536 transitions. [2023-11-21 22:29:19,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:19,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1536 transitions. [2023-11-21 22:29:19,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.0) internal successors, (1536), 3 states have internal predecessors, (1536), 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) [2023-11-21 22:29:19,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:19,448 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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) [2023-11-21 22:29:19,449 INFO L175 Difference]: Start difference. First operand has 459 places, 459 transitions, 1081 flow. Second operand 3 states and 1536 transitions. [2023-11-21 22:29:19,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 459 transitions, 1152 flow [2023-11-21 22:29:19,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 459 transitions, 1148 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:29:19,458 INFO L231 Difference]: Finished difference. Result has 458 places, 0 transitions, 0 flow [2023-11-21 22:29:19,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=458, PETRI_TRANSITIONS=0} [2023-11-21 22:29:19,459 INFO L281 CegarLoopForPetriNet]: 509 programPoint places, -51 predicate places. [2023-11-21 22:29:19,459 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 0 transitions, 0 flow [2023-11-21 22:29:19,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 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) [2023-11-21 22:29:19,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (133 of 134 remaining) [2023-11-21 22:29:19,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (132 of 134 remaining) [2023-11-21 22:29:19,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (131 of 134 remaining) [2023-11-21 22:29:19,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (130 of 134 remaining) [2023-11-21 22:29:19,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (129 of 134 remaining) [2023-11-21 22:29:19,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (128 of 134 remaining) [2023-11-21 22:29:19,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (127 of 134 remaining) [2023-11-21 22:29:19,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (126 of 134 remaining) [2023-11-21 22:29:19,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (125 of 134 remaining) [2023-11-21 22:29:19,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (124 of 134 remaining) [2023-11-21 22:29:19,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (123 of 134 remaining) [2023-11-21 22:29:19,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (122 of 134 remaining) [2023-11-21 22:29:19,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (121 of 134 remaining) [2023-11-21 22:29:19,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (120 of 134 remaining) [2023-11-21 22:29:19,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (119 of 134 remaining) [2023-11-21 22:29:19,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (118 of 134 remaining) [2023-11-21 22:29:19,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (117 of 134 remaining) [2023-11-21 22:29:19,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (116 of 134 remaining) [2023-11-21 22:29:19,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (115 of 134 remaining) [2023-11-21 22:29:19,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (114 of 134 remaining) [2023-11-21 22:29:19,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (113 of 134 remaining) [2023-11-21 22:29:19,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (112 of 134 remaining) [2023-11-21 22:29:19,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (111 of 134 remaining) [2023-11-21 22:29:19,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (110 of 134 remaining) [2023-11-21 22:29:19,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (109 of 134 remaining) [2023-11-21 22:29:19,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (108 of 134 remaining) [2023-11-21 22:29:19,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (107 of 134 remaining) [2023-11-21 22:29:19,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (106 of 134 remaining) [2023-11-21 22:29:19,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (105 of 134 remaining) [2023-11-21 22:29:19,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (104 of 134 remaining) [2023-11-21 22:29:19,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (103 of 134 remaining) [2023-11-21 22:29:19,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 134 remaining) [2023-11-21 22:29:19,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (101 of 134 remaining) [2023-11-21 22:29:19,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (100 of 134 remaining) [2023-11-21 22:29:19,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 134 remaining) [2023-11-21 22:29:19,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (98 of 134 remaining) [2023-11-21 22:29:19,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (97 of 134 remaining) [2023-11-21 22:29:19,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (96 of 134 remaining) [2023-11-21 22:29:19,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (95 of 134 remaining) [2023-11-21 22:29:19,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (94 of 134 remaining) [2023-11-21 22:29:19,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (93 of 134 remaining) [2023-11-21 22:29:19,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (92 of 134 remaining) [2023-11-21 22:29:19,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (91 of 134 remaining) [2023-11-21 22:29:19,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (90 of 134 remaining) [2023-11-21 22:29:19,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 134 remaining) [2023-11-21 22:29:19,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (88 of 134 remaining) [2023-11-21 22:29:19,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (87 of 134 remaining) [2023-11-21 22:29:19,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (86 of 134 remaining) [2023-11-21 22:29:19,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 134 remaining) [2023-11-21 22:29:19,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (84 of 134 remaining) [2023-11-21 22:29:19,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (83 of 134 remaining) [2023-11-21 22:29:19,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (82 of 134 remaining) [2023-11-21 22:29:19,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (81 of 134 remaining) [2023-11-21 22:29:19,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (80 of 134 remaining) [2023-11-21 22:29:19,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (79 of 134 remaining) [2023-11-21 22:29:19,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (78 of 134 remaining) [2023-11-21 22:29:19,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (77 of 134 remaining) [2023-11-21 22:29:19,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (76 of 134 remaining) [2023-11-21 22:29:19,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (75 of 134 remaining) [2023-11-21 22:29:19,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (74 of 134 remaining) [2023-11-21 22:29:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (73 of 134 remaining) [2023-11-21 22:29:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 134 remaining) [2023-11-21 22:29:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 134 remaining) [2023-11-21 22:29:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 134 remaining) [2023-11-21 22:29:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 134 remaining) [2023-11-21 22:29:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 134 remaining) [2023-11-21 22:29:19,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 134 remaining) [2023-11-21 22:29:19,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 134 remaining) [2023-11-21 22:29:19,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 134 remaining) [2023-11-21 22:29:19,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 134 remaining) [2023-11-21 22:29:19,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 134 remaining) [2023-11-21 22:29:19,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 134 remaining) [2023-11-21 22:29:19,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 134 remaining) [2023-11-21 22:29:19,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 134 remaining) [2023-11-21 22:29:19,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 134 remaining) [2023-11-21 22:29:19,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 134 remaining) [2023-11-21 22:29:19,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 134 remaining) [2023-11-21 22:29:19,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 134 remaining) [2023-11-21 22:29:19,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 134 remaining) [2023-11-21 22:29:19,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 134 remaining) [2023-11-21 22:29:19,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 134 remaining) [2023-11-21 22:29:19,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 134 remaining) [2023-11-21 22:29:19,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 134 remaining) [2023-11-21 22:29:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 134 remaining) [2023-11-21 22:29:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 134 remaining) [2023-11-21 22:29:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 134 remaining) [2023-11-21 22:29:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 134 remaining) [2023-11-21 22:29:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (46 of 134 remaining) [2023-11-21 22:29:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (45 of 134 remaining) [2023-11-21 22:29:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 134 remaining) [2023-11-21 22:29:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 134 remaining) [2023-11-21 22:29:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 134 remaining) [2023-11-21 22:29:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 134 remaining) [2023-11-21 22:29:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 134 remaining) [2023-11-21 22:29:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 134 remaining) [2023-11-21 22:29:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 134 remaining) [2023-11-21 22:29:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (37 of 134 remaining) [2023-11-21 22:29:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 134 remaining) [2023-11-21 22:29:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 134 remaining) [2023-11-21 22:29:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (34 of 134 remaining) [2023-11-21 22:29:19,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 134 remaining) [2023-11-21 22:29:19,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 134 remaining) [2023-11-21 22:29:19,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 134 remaining) [2023-11-21 22:29:19,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 134 remaining) [2023-11-21 22:29:19,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 134 remaining) [2023-11-21 22:29:19,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 134 remaining) [2023-11-21 22:29:19,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 134 remaining) [2023-11-21 22:29:19,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (26 of 134 remaining) [2023-11-21 22:29:19,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (25 of 134 remaining) [2023-11-21 22:29:19,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 134 remaining) [2023-11-21 22:29:19,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 134 remaining) [2023-11-21 22:29:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 134 remaining) [2023-11-21 22:29:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (21 of 134 remaining) [2023-11-21 22:29:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (20 of 134 remaining) [2023-11-21 22:29:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 134 remaining) [2023-11-21 22:29:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 134 remaining) [2023-11-21 22:29:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 134 remaining) [2023-11-21 22:29:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 134 remaining) [2023-11-21 22:29:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 134 remaining) [2023-11-21 22:29:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 134 remaining) [2023-11-21 22:29:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 134 remaining) [2023-11-21 22:29:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 134 remaining) [2023-11-21 22:29:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 134 remaining) [2023-11-21 22:29:19,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 134 remaining) [2023-11-21 22:29:19,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 134 remaining) [2023-11-21 22:29:19,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 134 remaining) [2023-11-21 22:29:19,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 134 remaining) [2023-11-21 22:29:19,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 134 remaining) [2023-11-21 22:29:19,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 134 remaining) [2023-11-21 22:29:19,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 134 remaining) [2023-11-21 22:29:19,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 134 remaining) [2023-11-21 22:29:19,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 134 remaining) [2023-11-21 22:29:19,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 134 remaining) [2023-11-21 22:29:19,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 134 remaining) [2023-11-21 22:29:19,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-21 22:29:19,486 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-21 22:29:19,493 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:29:19,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:29:19,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:29:19 BasicIcfg [2023-11-21 22:29:19,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:29:19,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:19,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:19,500 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:19,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:55" (3/4) ... [2023-11-21 22:29:19,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:29:19,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:29:19,507 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:29:19,512 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-21 22:29:19,513 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:29:19,513 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:29:19,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:29:19,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:29:19,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:29:19,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:19,611 INFO L158 Benchmark]: Toolchain (without parser) took 25871.33ms. Allocated memory was 136.3MB in the beginning and 1.1GB in the end (delta: 968.9MB). Free memory was 89.7MB in the beginning and 833.9MB in the end (delta: -744.3MB). Peak memory consumption was 226.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,611 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:19,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.77ms. Allocated memory is still 136.3MB. Free memory was 89.7MB in the beginning and 75.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.66ms. Allocated memory is still 136.3MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,612 INFO L158 Benchmark]: Boogie Preprocessor took 54.45ms. Allocated memory is still 136.3MB. Free memory was 72.3MB in the beginning and 69.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,613 INFO L158 Benchmark]: RCFGBuilder took 1146.60ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 69.1MB in the beginning and 145.5MB in the end (delta: -76.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,613 INFO L158 Benchmark]: TraceAbstraction took 24043.81ms. Allocated memory was 190.8MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 144.5MB in the beginning and 839.2MB in the end (delta: -694.7MB). Peak memory consumption was 747.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,613 INFO L158 Benchmark]: Witness Printer took 110.00ms. Allocated memory is still 1.1GB. Free memory was 839.2MB in the beginning and 833.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:29:19,616 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 136.3MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.77ms. Allocated memory is still 136.3MB. Free memory was 89.7MB in the beginning and 75.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.66ms. Allocated memory is still 136.3MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.45ms. Allocated memory is still 136.3MB. Free memory was 72.3MB in the beginning and 69.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1146.60ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 69.1MB in the beginning and 145.5MB in the end (delta: -76.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24043.81ms. Allocated memory was 190.8MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 144.5MB in the beginning and 839.2MB in the end (delta: -694.7MB). Peak memory consumption was 747.1MB. Max. memory is 16.1GB. * Witness Printer took 110.00ms. Allocated memory is still 1.1GB. Free memory was 839.2MB in the beginning and 833.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 85]: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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 5 procedures, 901 locations, 134 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: 23.7s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3787 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1477 mSDsluCounter, 858 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 777 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4231 IncrementalHoareTripleChecker+Invalid, 5008 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 777 mSolverCounterUnsat, 754 mSDtfsCounter, 4231 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1167occurred in iteration=17, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2420 NumberOfCodeBlocks, 2420 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 3417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:29:19,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e4886e-e541-47df-b972-702861fb3c37/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE