./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:08:45,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:08:45,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:08:45,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:08:45,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:08:45,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:08:45,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:08:45,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:08:45,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:08:45,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:08:45,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:08:45,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:08:45,882 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:08:45,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:08:45,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:08:45,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:08:45,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:08:45,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:08:45,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:08:45,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:08:45,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:08:45,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:08:45,888 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:08:45,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:08:45,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:08:45,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:08:45,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:08:45,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:08:45,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:08:45,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:08:45,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:45,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:08:45,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:08:45,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:08:45,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:08:45,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:08:45,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:08:45,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:08:45,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:08:45,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:08:45,898 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:08:45,899 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_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 [2023-11-06 23:08:46,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:08:46,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:08:46,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:08:46,215 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:08:46,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:08:46,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2023-11-06 23:08:49,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:08:49,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:08:49,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2023-11-06 23:08:49,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/data/d633632e0/937089133ad247eab68c67aba9209ca2/FLAG29db37751 [2023-11-06 23:08:49,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/data/d633632e0/937089133ad247eab68c67aba9209ca2 [2023-11-06 23:08:49,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:08:49,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:08:49,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:49,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:08:49,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:08:49,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:49,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f0e2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49, skipping insertion in model container [2023-11-06 23:08:49,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:49,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:08:49,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:49,841 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:08:49,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:49,898 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:08:49,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49 WrapperNode [2023-11-06 23:08:49,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:49,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:49,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:08:49,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:08:49,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:49,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:49,976 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2023-11-06 23:08:49,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:49,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:08:49,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:08:49,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:08:49,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:49,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:08:50,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:08:50,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:08:50,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:08:50,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (1/1) ... [2023-11-06 23:08:50,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:50,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:08:50,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:08:50,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:08:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:08:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 23:08:50,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 23:08:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 23:08:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 23:08:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 23:08:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 23:08:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:08:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:08:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:08:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:08:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:08:50,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:08:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:08:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:08:50,163 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:08:50,287 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:08:50,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:08:50,962 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:08:50,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:08:50,983 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 23:08:50,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:50 BoogieIcfgContainer [2023-11-06 23:08:50,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:08:50,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:08:50,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:08:50,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:08:50,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:08:49" (1/3) ... [2023-11-06 23:08:50,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2605fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:50, skipping insertion in model container [2023-11-06 23:08:50,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:49" (2/3) ... [2023-11-06 23:08:50,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2605fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:50, skipping insertion in model container [2023-11-06 23:08:50,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:50" (3/3) ... [2023-11-06 23:08:51,001 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2023-11-06 23:08:51,011 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:08:51,023 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:08:51,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2023-11-06 23:08:51,026 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:08:51,192 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 23:08:51,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 366 transitions, 753 flow [2023-11-06 23:08:51,458 INFO L124 PetriNetUnfolderBase]: 17/363 cut-off events. [2023-11-06 23:08:51,458 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 23:08:51,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 363 events. 17/363 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 735 event pairs, 0 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2023-11-06 23:08:51,473 INFO L82 GeneralOperation]: Start removeDead. Operand has 359 places, 366 transitions, 753 flow [2023-11-06 23:08:51,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 332 places, 337 transitions, 692 flow [2023-11-06 23:08:51,493 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:08:51,518 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 337 transitions, 692 flow [2023-11-06 23:08:51,522 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 337 transitions, 692 flow [2023-11-06 23:08:51,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 337 transitions, 692 flow [2023-11-06 23:08:51,605 INFO L124 PetriNetUnfolderBase]: 15/337 cut-off events. [2023-11-06 23:08:51,606 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 23:08:51,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 337 events. 15/337 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 725 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2023-11-06 23:08:51,628 INFO L119 LiptonReduction]: Number of co-enabled transitions 22212 [2023-11-06 23:09:01,372 INFO L134 LiptonReduction]: Checked pairs total: 138350 [2023-11-06 23:09:01,372 INFO L136 LiptonReduction]: Total number of compositions: 293 [2023-11-06 23:09:01,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:01,396 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=LoopsAndPotentialCycles, 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;@4b4beeaf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:01,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2023-11-06 23:09:01,398 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:09:01,398 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:09:01,398 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:01,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:01,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:09:01,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:01,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:01,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1264, now seen corresponding path program 1 times [2023-11-06 23:09:01,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:01,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939169321] [2023-11-06 23:09:01,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:01,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:01,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:01,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939169321] [2023-11-06 23:09:01,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939169321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:01,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:01,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:09:01,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644586185] [2023-11-06 23:09:01,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:01,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:09:01,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:01,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:09:01,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:09:01,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 659 [2023-11-06 23:09:01,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 133 transitions, 284 flow. Second operand has 2 states, 2 states have (on average 351.5) internal successors, (703), 2 states have internal predecessors, (703), 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) [2023-11-06 23:09:01,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:01,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 659 [2023-11-06 23:09:01,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:02,722 INFO L124 PetriNetUnfolderBase]: 2290/7192 cut-off events. [2023-11-06 23:09:02,723 INFO L125 PetriNetUnfolderBase]: For 172/172 co-relation queries the response was YES. [2023-11-06 23:09:02,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10307 conditions, 7192 events. 2290/7192 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 75669 event pairs, 1295 based on Foata normal form. 496/5730 useless extension candidates. Maximal degree in co-relation 9183. Up to 2975 conditions per place. [2023-11-06 23:09:02,809 INFO L140 encePairwiseOnDemand]: 637/659 looper letters, 33 selfloop transitions, 0 changer transitions 1/111 dead transitions. [2023-11-06 23:09:02,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 111 transitions, 308 flow [2023-11-06 23:09:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:09:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:09:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 758 transitions. [2023-11-06 23:09:02,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.575113808801214 [2023-11-06 23:09:02,838 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 758 transitions. [2023-11-06 23:09:02,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 758 transitions. [2023-11-06 23:09:02,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:02,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 758 transitions. [2023-11-06 23:09:02,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 379.0) internal successors, (758), 2 states have internal predecessors, (758), 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) [2023-11-06 23:09:02,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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) [2023-11-06 23:09:02,860 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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) [2023-11-06 23:09:02,862 INFO L175 Difference]: Start difference. First operand has 133 places, 133 transitions, 284 flow. Second operand 2 states and 758 transitions. [2023-11-06 23:09:02,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 111 transitions, 308 flow [2023-11-06 23:09:02,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 111 transitions, 296 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 23:09:02,889 INFO L231 Difference]: Finished difference. Result has 109 places, 110 transitions, 225 flow [2023-11-06 23:09:02,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=225, PETRI_PLACES=109, PETRI_TRANSITIONS=110} [2023-11-06 23:09:02,895 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -24 predicate places. [2023-11-06 23:09:02,896 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 110 transitions, 225 flow [2023-11-06 23:09:02,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 351.5) internal successors, (703), 2 states have internal predecessors, (703), 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) [2023-11-06 23:09:02,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:02,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:09:02,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:09:02,898 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:02,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash -737026679, now seen corresponding path program 1 times [2023-11-06 23:09:02,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:02,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213401647] [2023-11-06 23:09:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:03,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213401647] [2023-11-06 23:09:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213401647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:03,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:03,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:03,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172530307] [2023-11-06 23:09:03,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:03,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:03,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:03,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:03,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:03,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 659 [2023-11-06 23:09:03,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 110 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 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) [2023-11-06 23:09:03,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:03,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 659 [2023-11-06 23:09:03,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:03,949 INFO L124 PetriNetUnfolderBase]: 2695/6735 cut-off events. [2023-11-06 23:09:03,949 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2023-11-06 23:09:03,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10364 conditions, 6735 events. 2695/6735 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 62000 event pairs, 1714 based on Foata normal form. 0/5028 useless extension candidates. Maximal degree in co-relation 10361. Up to 3576 conditions per place. [2023-11-06 23:09:04,016 INFO L140 encePairwiseOnDemand]: 656/659 looper letters, 34 selfloop transitions, 1 changer transitions 0/108 dead transitions. [2023-11-06 23:09:04,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 108 transitions, 291 flow [2023-11-06 23:09:04,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2023-11-06 23:09:04,021 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5316135558927668 [2023-11-06 23:09:04,021 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2023-11-06 23:09:04,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2023-11-06 23:09:04,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:04,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2023-11-06 23:09:04,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 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) [2023-11-06 23:09:04,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:04,035 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:04,035 INFO L175 Difference]: Start difference. First operand has 109 places, 110 transitions, 225 flow. Second operand 3 states and 1051 transitions. [2023-11-06 23:09:04,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 108 transitions, 291 flow [2023-11-06 23:09:04,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 108 transitions, 291 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:09:04,040 INFO L231 Difference]: Finished difference. Result has 108 places, 108 transitions, 223 flow [2023-11-06 23:09:04,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=223, PETRI_PLACES=108, PETRI_TRANSITIONS=108} [2023-11-06 23:09:04,041 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -25 predicate places. [2023-11-06 23:09:04,042 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 108 transitions, 223 flow [2023-11-06 23:09:04,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 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) [2023-11-06 23:09:04,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:04,043 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:04,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:09:04,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:04,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:04,045 INFO L85 PathProgramCache]: Analyzing trace with hash 730406930, now seen corresponding path program 1 times [2023-11-06 23:09:04,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:04,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376834947] [2023-11-06 23:09:04,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:04,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:04,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:04,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376834947] [2023-11-06 23:09:04,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376834947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:04,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:04,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:04,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026304095] [2023-11-06 23:09:04,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:04,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:04,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:04,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:04,144 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 659 [2023-11-06 23:09:04,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 108 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-06 23:09:04,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:04,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 659 [2023-11-06 23:09:04,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:05,015 INFO L124 PetriNetUnfolderBase]: 2698/6526 cut-off events. [2023-11-06 23:09:05,015 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2023-11-06 23:09:05,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10171 conditions, 6526 events. 2698/6526 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 58181 event pairs, 1739 based on Foata normal form. 0/4871 useless extension candidates. Maximal degree in co-relation 10167. Up to 3589 conditions per place. [2023-11-06 23:09:05,071 INFO L140 encePairwiseOnDemand]: 656/659 looper letters, 34 selfloop transitions, 1 changer transitions 0/106 dead transitions. [2023-11-06 23:09:05,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 106 transitions, 289 flow [2023-11-06 23:09:05,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2023-11-06 23:09:05,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5316135558927668 [2023-11-06 23:09:05,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2023-11-06 23:09:05,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2023-11-06 23:09:05,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:05,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2023-11-06 23:09:05,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 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) [2023-11-06 23:09:05,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:05,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:05,091 INFO L175 Difference]: Start difference. First operand has 108 places, 108 transitions, 223 flow. Second operand 3 states and 1051 transitions. [2023-11-06 23:09:05,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 106 transitions, 289 flow [2023-11-06 23:09:05,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 106 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:05,097 INFO L231 Difference]: Finished difference. Result has 107 places, 106 transitions, 220 flow [2023-11-06 23:09:05,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=107, PETRI_TRANSITIONS=106} [2023-11-06 23:09:05,099 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -26 predicate places. [2023-11-06 23:09:05,099 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 106 transitions, 220 flow [2023-11-06 23:09:05,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-06 23:09:05,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:05,101 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:05,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:09:05,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:05,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash 387315480, now seen corresponding path program 1 times [2023-11-06 23:09:05,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:05,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318843822] [2023-11-06 23:09:05,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:05,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:05,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318843822] [2023-11-06 23:09:05,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318843822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:05,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:05,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:05,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592997025] [2023-11-06 23:09:05,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:05,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:05,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:05,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:05,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 659 [2023-11-06 23:09:05,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 106 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-06 23:09:05,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:05,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 659 [2023-11-06 23:09:05,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:07,293 INFO L124 PetriNetUnfolderBase]: 7462/15775 cut-off events. [2023-11-06 23:09:07,293 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2023-11-06 23:09:07,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25723 conditions, 15775 events. 7462/15775 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 146872 event pairs, 1400 based on Foata normal form. 0/12374 useless extension candidates. Maximal degree in co-relation 25719. Up to 8364 conditions per place. [2023-11-06 23:09:07,427 INFO L140 encePairwiseOnDemand]: 650/659 looper letters, 64 selfloop transitions, 3 changer transitions 0/125 dead transitions. [2023-11-06 23:09:07,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 125 transitions, 396 flow [2023-11-06 23:09:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1069 transitions. [2023-11-06 23:09:07,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5407182599898837 [2023-11-06 23:09:07,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1069 transitions. [2023-11-06 23:09:07,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1069 transitions. [2023-11-06 23:09:07,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:07,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1069 transitions. [2023-11-06 23:09:07,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2023-11-06 23:09:07,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:07,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:07,447 INFO L175 Difference]: Start difference. First operand has 107 places, 106 transitions, 220 flow. Second operand 3 states and 1069 transitions. [2023-11-06 23:09:07,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 125 transitions, 396 flow [2023-11-06 23:09:07,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 125 transitions, 395 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:07,451 INFO L231 Difference]: Finished difference. Result has 103 places, 103 transitions, 228 flow [2023-11-06 23:09:07,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=103, PETRI_TRANSITIONS=103} [2023-11-06 23:09:07,453 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -30 predicate places. [2023-11-06 23:09:07,453 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 103 transitions, 228 flow [2023-11-06 23:09:07,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-06 23:09:07,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:07,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:07,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:09:07,455 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:07,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1167789796, now seen corresponding path program 1 times [2023-11-06 23:09:07,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:07,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542018317] [2023-11-06 23:09:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:07,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:07,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542018317] [2023-11-06 23:09:07,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542018317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:07,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:07,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:07,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842072522] [2023-11-06 23:09:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:07,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:07,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:07,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:07,534 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 659 [2023-11-06 23:09:07,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 103 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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) [2023-11-06 23:09:07,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:07,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 659 [2023-11-06 23:09:07,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:08,594 INFO L124 PetriNetUnfolderBase]: 3711/8659 cut-off events. [2023-11-06 23:09:08,595 INFO L125 PetriNetUnfolderBase]: For 423/423 co-relation queries the response was YES. [2023-11-06 23:09:08,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14111 conditions, 8659 events. 3711/8659 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 78261 event pairs, 1529 based on Foata normal form. 0/6287 useless extension candidates. Maximal degree in co-relation 14107. Up to 3740 conditions per place. [2023-11-06 23:09:08,674 INFO L140 encePairwiseOnDemand]: 655/659 looper letters, 52 selfloop transitions, 3 changer transitions 0/122 dead transitions. [2023-11-06 23:09:08,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 122 transitions, 383 flow [2023-11-06 23:09:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1082 transitions. [2023-11-06 23:09:08,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5472938796155792 [2023-11-06 23:09:08,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1082 transitions. [2023-11-06 23:09:08,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1082 transitions. [2023-11-06 23:09:08,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:08,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1082 transitions. [2023-11-06 23:09:08,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 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) [2023-11-06 23:09:08,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:08,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:08,694 INFO L175 Difference]: Start difference. First operand has 103 places, 103 transitions, 228 flow. Second operand 3 states and 1082 transitions. [2023-11-06 23:09:08,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 122 transitions, 383 flow [2023-11-06 23:09:08,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 122 transitions, 383 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:09:08,697 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 232 flow [2023-11-06 23:09:08,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2023-11-06 23:09:08,699 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -29 predicate places. [2023-11-06 23:09:08,699 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 232 flow [2023-11-06 23:09:08,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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) [2023-11-06 23:09:08,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:08,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:08,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:09:08,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:08,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:08,702 INFO L85 PathProgramCache]: Analyzing trace with hash 918079662, now seen corresponding path program 1 times [2023-11-06 23:09:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:08,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573654065] [2023-11-06 23:09:08,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:08,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:08,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:08,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573654065] [2023-11-06 23:09:08,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573654065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:08,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:08,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:08,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159945570] [2023-11-06 23:09:08,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:08,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:08,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:08,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:08,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:08,961 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 344 out of 659 [2023-11-06 23:09:08,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:08,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:08,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 344 of 659 [2023-11-06 23:09:08,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:10,018 INFO L124 PetriNetUnfolderBase]: 3719/8865 cut-off events. [2023-11-06 23:09:10,019 INFO L125 PetriNetUnfolderBase]: For 1029/1029 co-relation queries the response was YES. [2023-11-06 23:09:10,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14993 conditions, 8865 events. 3719/8865 cut-off events. For 1029/1029 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 81869 event pairs, 1909 based on Foata normal form. 0/6791 useless extension candidates. Maximal degree in co-relation 14988. Up to 4794 conditions per place. [2023-11-06 23:09:10,116 INFO L140 encePairwiseOnDemand]: 656/659 looper letters, 34 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2023-11-06 23:09:10,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 103 transitions, 306 flow [2023-11-06 23:09:10,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:10,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1067 transitions. [2023-11-06 23:09:10,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5397066262013152 [2023-11-06 23:09:10,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1067 transitions. [2023-11-06 23:09:10,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1067 transitions. [2023-11-06 23:09:10,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:10,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1067 transitions. [2023-11-06 23:09:10,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 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) [2023-11-06 23:09:10,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:10,137 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 659.0) internal successors, (2636), 4 states have internal predecessors, (2636), 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) [2023-11-06 23:09:10,137 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 232 flow. Second operand 3 states and 1067 transitions. [2023-11-06 23:09:10,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 103 transitions, 306 flow [2023-11-06 23:09:10,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 103 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:10,153 INFO L231 Difference]: Finished difference. Result has 105 places, 103 transitions, 238 flow [2023-11-06 23:09:10,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=105, PETRI_TRANSITIONS=103} [2023-11-06 23:09:10,158 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -28 predicate places. [2023-11-06 23:09:10,158 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 103 transitions, 238 flow [2023-11-06 23:09:10,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:10,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:10,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:10,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:09:10,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:10,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:10,161 INFO L85 PathProgramCache]: Analyzing trace with hash -881769396, now seen corresponding path program 1 times [2023-11-06 23:09:10,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:10,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390432259] [2023-11-06 23:09:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:09:10,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:10,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390432259] [2023-11-06 23:09:10,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390432259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:10,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:10,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:10,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445050195] [2023-11-06 23:09:10,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:10,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:10,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:10,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:10,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:11,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 659 [2023-11-06 23:09:11,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 103 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 339.1666666666667) internal successors, (2035), 6 states have internal predecessors, (2035), 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) [2023-11-06 23:09:11,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:11,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 659 [2023-11-06 23:09:11,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:13,060 INFO L124 PetriNetUnfolderBase]: 10461/16366 cut-off events. [2023-11-06 23:09:13,060 INFO L125 PetriNetUnfolderBase]: For 977/977 co-relation queries the response was YES. [2023-11-06 23:09:13,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31064 conditions, 16366 events. 10461/16366 cut-off events. For 977/977 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 112987 event pairs, 741 based on Foata normal form. 0/11110 useless extension candidates. Maximal degree in co-relation 31058. Up to 4828 conditions per place. [2023-11-06 23:09:13,239 INFO L140 encePairwiseOnDemand]: 654/659 looper letters, 124 selfloop transitions, 4 changer transitions 0/190 dead transitions. [2023-11-06 23:09:13,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 190 transitions, 708 flow [2023-11-06 23:09:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2140 transitions. [2023-11-06 23:09:13,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.541224076884168 [2023-11-06 23:09:13,249 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2140 transitions. [2023-11-06 23:09:13,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2140 transitions. [2023-11-06 23:09:13,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:13,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2140 transitions. [2023-11-06 23:09:13,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 356.6666666666667) internal successors, (2140), 6 states have internal predecessors, (2140), 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) [2023-11-06 23:09:13,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:13,271 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:13,271 INFO L175 Difference]: Start difference. First operand has 105 places, 103 transitions, 238 flow. Second operand 6 states and 2140 transitions. [2023-11-06 23:09:13,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 190 transitions, 708 flow [2023-11-06 23:09:13,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 190 transitions, 704 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:13,283 INFO L231 Difference]: Finished difference. Result has 108 places, 102 transitions, 240 flow [2023-11-06 23:09:13,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=108, PETRI_TRANSITIONS=102} [2023-11-06 23:09:13,286 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -25 predicate places. [2023-11-06 23:09:13,286 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 102 transitions, 240 flow [2023-11-06 23:09:13,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.1666666666667) internal successors, (2035), 6 states have internal predecessors, (2035), 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) [2023-11-06 23:09:13,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:13,289 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:13,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:09:13,289 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:13,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash -187192995, now seen corresponding path program 1 times [2023-11-06 23:09:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:13,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353623942] [2023-11-06 23:09:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:13,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:13,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:13,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353623942] [2023-11-06 23:09:13,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353623942] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:13,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81943659] [2023-11-06 23:09:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:13,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:13,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:13,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:13,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:09:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:13,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:09:13,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:13,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:13,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81943659] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:13,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:13,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-06 23:09:13,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196133512] [2023-11-06 23:09:13,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:13,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:09:13,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:13,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:09:13,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:09:14,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:14,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 102 transitions, 240 flow. Second operand has 12 states, 12 states have (on average 337.4166666666667) internal successors, (4049), 12 states have internal predecessors, (4049), 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) [2023-11-06 23:09:14,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:14,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:14,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:15,437 INFO L124 PetriNetUnfolderBase]: 5075/12230 cut-off events. [2023-11-06 23:09:15,437 INFO L125 PetriNetUnfolderBase]: For 1165/1165 co-relation queries the response was YES. [2023-11-06 23:09:15,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21335 conditions, 12230 events. 5075/12230 cut-off events. For 1165/1165 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 119983 event pairs, 2638 based on Foata normal form. 0/9499 useless extension candidates. Maximal degree in co-relation 21329. Up to 4448 conditions per place. [2023-11-06 23:09:15,535 INFO L140 encePairwiseOnDemand]: 652/659 looper letters, 80 selfloop transitions, 6 changer transitions 0/151 dead transitions. [2023-11-06 23:09:15,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 151 transitions, 536 flow [2023-11-06 23:09:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2100 transitions. [2023-11-06 23:09:15,544 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5311077389984825 [2023-11-06 23:09:15,544 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2100 transitions. [2023-11-06 23:09:15,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2100 transitions. [2023-11-06 23:09:15,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:15,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2100 transitions. [2023-11-06 23:09:15,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 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) [2023-11-06 23:09:15,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:15,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:15,563 INFO L175 Difference]: Start difference. First operand has 108 places, 102 transitions, 240 flow. Second operand 6 states and 2100 transitions. [2023-11-06 23:09:15,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 151 transitions, 536 flow [2023-11-06 23:09:15,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 151 transitions, 525 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:09:15,577 INFO L231 Difference]: Finished difference. Result has 112 places, 106 transitions, 278 flow [2023-11-06 23:09:15,577 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=278, PETRI_PLACES=112, PETRI_TRANSITIONS=106} [2023-11-06 23:09:15,578 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -21 predicate places. [2023-11-06 23:09:15,578 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 106 transitions, 278 flow [2023-11-06 23:09:15,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 337.4166666666667) internal successors, (4049), 12 states have internal predecessors, (4049), 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) [2023-11-06 23:09:15,581 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:15,581 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:15,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 23:09:15,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:15,787 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:15,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:15,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1118756609, now seen corresponding path program 2 times [2023-11-06 23:09:15,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:15,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84066139] [2023-11-06 23:09:15,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:15,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:16,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:16,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84066139] [2023-11-06 23:09:16,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84066139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:16,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:16,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:16,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770790828] [2023-11-06 23:09:16,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:16,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:16,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:16,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:16,820 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:16,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 106 transitions, 278 flow. Second operand has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 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) [2023-11-06 23:09:16,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:16,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:16,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:18,331 INFO L124 PetriNetUnfolderBase]: 6981/15319 cut-off events. [2023-11-06 23:09:18,331 INFO L125 PetriNetUnfolderBase]: For 1942/1942 co-relation queries the response was YES. [2023-11-06 23:09:18,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27255 conditions, 15319 events. 6981/15319 cut-off events. For 1942/1942 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 146594 event pairs, 2958 based on Foata normal form. 0/12071 useless extension candidates. Maximal degree in co-relation 27246. Up to 6715 conditions per place. [2023-11-06 23:09:18,454 INFO L140 encePairwiseOnDemand]: 653/659 looper letters, 118 selfloop transitions, 5 changer transitions 0/182 dead transitions. [2023-11-06 23:09:18,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 182 transitions, 692 flow [2023-11-06 23:09:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2133 transitions. [2023-11-06 23:09:18,465 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.539453717754173 [2023-11-06 23:09:18,465 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2133 transitions. [2023-11-06 23:09:18,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2133 transitions. [2023-11-06 23:09:18,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:18,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2133 transitions. [2023-11-06 23:09:18,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 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) [2023-11-06 23:09:18,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:18,482 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:18,483 INFO L175 Difference]: Start difference. First operand has 112 places, 106 transitions, 278 flow. Second operand 6 states and 2133 transitions. [2023-11-06 23:09:18,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 182 transitions, 692 flow [2023-11-06 23:09:18,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 182 transitions, 682 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:18,490 INFO L231 Difference]: Finished difference. Result has 115 places, 106 transitions, 282 flow [2023-11-06 23:09:18,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=282, PETRI_PLACES=115, PETRI_TRANSITIONS=106} [2023-11-06 23:09:18,494 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -18 predicate places. [2023-11-06 23:09:18,496 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 106 transitions, 282 flow [2023-11-06 23:09:18,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 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) [2023-11-06 23:09:18,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:18,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:18,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:09:18,498 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:18,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:18,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1470643386, now seen corresponding path program 1 times [2023-11-06 23:09:18,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:18,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316636498] [2023-11-06 23:09:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:18,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:18,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:18,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316636498] [2023-11-06 23:09:18,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316636498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:18,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582537351] [2023-11-06 23:09:18,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:18,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:18,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:18,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:18,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:09:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:09:18,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:18,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:18,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582537351] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:18,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:18,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-06 23:09:18,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617289679] [2023-11-06 23:09:18,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:18,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:09:18,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:18,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:09:18,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:09:19,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 659 [2023-11-06 23:09:19,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 106 transitions, 282 flow. Second operand has 12 states, 12 states have (on average 335.5833333333333) internal successors, (4027), 12 states have internal predecessors, (4027), 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) [2023-11-06 23:09:19,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:19,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 659 [2023-11-06 23:09:19,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:20,737 INFO L124 PetriNetUnfolderBase]: 3999/10225 cut-off events. [2023-11-06 23:09:20,737 INFO L125 PetriNetUnfolderBase]: For 1222/1310 co-relation queries the response was YES. [2023-11-06 23:09:20,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18307 conditions, 10225 events. 3999/10225 cut-off events. For 1222/1310 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 99948 event pairs, 2337 based on Foata normal form. 71/8271 useless extension candidates. Maximal degree in co-relation 18297. Up to 4752 conditions per place. [2023-11-06 23:09:20,816 INFO L140 encePairwiseOnDemand]: 652/659 looper letters, 69 selfloop transitions, 6 changer transitions 0/140 dead transitions. [2023-11-06 23:09:20,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 140 transitions, 511 flow [2023-11-06 23:09:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:20,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2078 transitions. [2023-11-06 23:09:20,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5255437531613556 [2023-11-06 23:09:20,826 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2078 transitions. [2023-11-06 23:09:20,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2078 transitions. [2023-11-06 23:09:20,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:20,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2078 transitions. [2023-11-06 23:09:20,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 346.3333333333333) internal successors, (2078), 6 states have internal predecessors, (2078), 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) [2023-11-06 23:09:20,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:20,847 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:20,847 INFO L175 Difference]: Start difference. First operand has 115 places, 106 transitions, 282 flow. Second operand 6 states and 2078 transitions. [2023-11-06 23:09:20,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 140 transitions, 511 flow [2023-11-06 23:09:20,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 140 transitions, 503 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:09:20,858 INFO L231 Difference]: Finished difference. Result has 118 places, 108 transitions, 303 flow [2023-11-06 23:09:20,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=303, PETRI_PLACES=118, PETRI_TRANSITIONS=108} [2023-11-06 23:09:20,859 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -15 predicate places. [2023-11-06 23:09:20,859 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 108 transitions, 303 flow [2023-11-06 23:09:20,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 335.5833333333333) internal successors, (4027), 12 states have internal predecessors, (4027), 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) [2023-11-06 23:09:20,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:20,861 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:20,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:21,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:09:21,067 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:21,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:21,067 INFO L85 PathProgramCache]: Analyzing trace with hash -408792100, now seen corresponding path program 2 times [2023-11-06 23:09:21,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:21,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835091738] [2023-11-06 23:09:21,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:21,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:21,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:21,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835091738] [2023-11-06 23:09:21,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835091738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:21,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:21,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:21,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094420384] [2023-11-06 23:09:21,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:21,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:21,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:21,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:21,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:22,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:22,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 108 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 338.3333333333333) internal successors, (2030), 6 states have internal predecessors, (2030), 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) [2023-11-06 23:09:22,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:22,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:22,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:23,725 INFO L124 PetriNetUnfolderBase]: 6444/13538 cut-off events. [2023-11-06 23:09:23,725 INFO L125 PetriNetUnfolderBase]: For 2608/2700 co-relation queries the response was YES. [2023-11-06 23:09:23,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26802 conditions, 13538 events. 6444/13538 cut-off events. For 2608/2700 co-relation queries the response was YES. Maximal size of possible extension queue 505. Compared 122049 event pairs, 2472 based on Foata normal form. 71/11016 useless extension candidates. Maximal degree in co-relation 26790. Up to 5432 conditions per place. [2023-11-06 23:09:23,836 INFO L140 encePairwiseOnDemand]: 653/659 looper letters, 124 selfloop transitions, 5 changer transitions 0/188 dead transitions. [2023-11-06 23:09:23,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 188 transitions, 777 flow [2023-11-06 23:09:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2133 transitions. [2023-11-06 23:09:23,846 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.539453717754173 [2023-11-06 23:09:23,847 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2133 transitions. [2023-11-06 23:09:23,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2133 transitions. [2023-11-06 23:09:23,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:23,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2133 transitions. [2023-11-06 23:09:23,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 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) [2023-11-06 23:09:23,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:23,865 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:23,865 INFO L175 Difference]: Start difference. First operand has 118 places, 108 transitions, 303 flow. Second operand 6 states and 2133 transitions. [2023-11-06 23:09:23,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 188 transitions, 777 flow [2023-11-06 23:09:23,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 188 transitions, 770 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 23:09:23,883 INFO L231 Difference]: Finished difference. Result has 120 places, 108 transitions, 310 flow [2023-11-06 23:09:23,883 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=310, PETRI_PLACES=120, PETRI_TRANSITIONS=108} [2023-11-06 23:09:23,884 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -13 predicate places. [2023-11-06 23:09:23,884 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 108 transitions, 310 flow [2023-11-06 23:09:23,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.3333333333333) internal successors, (2030), 6 states have internal predecessors, (2030), 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) [2023-11-06 23:09:23,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:23,885 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:23,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 23:09:23,886 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:23,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:23,887 INFO L85 PathProgramCache]: Analyzing trace with hash -163047388, now seen corresponding path program 1 times [2023-11-06 23:09:23,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:23,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165675460] [2023-11-06 23:09:23,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:23,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:24,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:24,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165675460] [2023-11-06 23:09:24,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165675460] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:24,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521273851] [2023-11-06 23:09:24,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:24,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:24,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:24,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:24,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:09:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:24,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:09:24,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:24,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:24,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521273851] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:24,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:24,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-06 23:09:24,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725407939] [2023-11-06 23:09:24,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:24,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:09:24,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:24,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:09:24,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:09:24,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 659 [2023-11-06 23:09:24,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 108 transitions, 310 flow. Second operand has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 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) [2023-11-06 23:09:24,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:24,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 659 [2023-11-06 23:09:24,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:25,876 INFO L124 PetriNetUnfolderBase]: 4486/10242 cut-off events. [2023-11-06 23:09:25,876 INFO L125 PetriNetUnfolderBase]: For 1835/1886 co-relation queries the response was YES. [2023-11-06 23:09:25,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20611 conditions, 10242 events. 4486/10242 cut-off events. For 1835/1886 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 92326 event pairs, 2416 based on Foata normal form. 33/7925 useless extension candidates. Maximal degree in co-relation 20598. Up to 5737 conditions per place. [2023-11-06 23:09:25,948 INFO L140 encePairwiseOnDemand]: 652/659 looper letters, 55 selfloop transitions, 6 changer transitions 0/127 dead transitions. [2023-11-06 23:09:25,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 127 transitions, 485 flow [2023-11-06 23:09:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:25,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2063 transitions. [2023-11-06 23:09:25,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5217501264542236 [2023-11-06 23:09:25,956 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2063 transitions. [2023-11-06 23:09:25,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2063 transitions. [2023-11-06 23:09:25,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:25,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2063 transitions. [2023-11-06 23:09:25,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 343.8333333333333) internal successors, (2063), 6 states have internal predecessors, (2063), 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) [2023-11-06 23:09:25,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:25,971 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:25,972 INFO L175 Difference]: Start difference. First operand has 120 places, 108 transitions, 310 flow. Second operand 6 states and 2063 transitions. [2023-11-06 23:09:25,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 127 transitions, 485 flow [2023-11-06 23:09:25,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 127 transitions, 477 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:09:25,994 INFO L231 Difference]: Finished difference. Result has 123 places, 110 transitions, 331 flow [2023-11-06 23:09:25,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=331, PETRI_PLACES=123, PETRI_TRANSITIONS=110} [2023-11-06 23:09:25,995 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2023-11-06 23:09:25,995 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 110 transitions, 331 flow [2023-11-06 23:09:25,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 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) [2023-11-06 23:09:25,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:25,997 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:26,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:26,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:09:26,203 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:26,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:26,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1880682182, now seen corresponding path program 2 times [2023-11-06 23:09:26,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:26,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299111605] [2023-11-06 23:09:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:26,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:26,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:26,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299111605] [2023-11-06 23:09:26,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299111605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:26,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:26,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:26,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992609126] [2023-11-06 23:09:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:26,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:26,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:26,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:27,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:27,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 110 transitions, 331 flow. Second operand has 6 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 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) [2023-11-06 23:09:27,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:27,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:27,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:28,315 INFO L124 PetriNetUnfolderBase]: 6314/12532 cut-off events. [2023-11-06 23:09:28,315 INFO L125 PetriNetUnfolderBase]: For 3068/3119 co-relation queries the response was YES. [2023-11-06 23:09:28,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27021 conditions, 12532 events. 6314/12532 cut-off events. For 3068/3119 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 106286 event pairs, 2017 based on Foata normal form. 33/9723 useless extension candidates. Maximal degree in co-relation 27006. Up to 4824 conditions per place. [2023-11-06 23:09:28,433 INFO L140 encePairwiseOnDemand]: 653/659 looper letters, 120 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2023-11-06 23:09:28,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 186 transitions, 837 flow [2023-11-06 23:09:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:28,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2123 transitions. [2023-11-06 23:09:28,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5369246332827516 [2023-11-06 23:09:28,441 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2123 transitions. [2023-11-06 23:09:28,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2123 transitions. [2023-11-06 23:09:28,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:28,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2123 transitions. [2023-11-06 23:09:28,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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) [2023-11-06 23:09:28,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:28,455 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:28,456 INFO L175 Difference]: Start difference. First operand has 123 places, 110 transitions, 331 flow. Second operand 6 states and 2123 transitions. [2023-11-06 23:09:28,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 186 transitions, 837 flow [2023-11-06 23:09:28,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 186 transitions, 830 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 23:09:28,484 INFO L231 Difference]: Finished difference. Result has 125 places, 110 transitions, 338 flow [2023-11-06 23:09:28,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=338, PETRI_PLACES=125, PETRI_TRANSITIONS=110} [2023-11-06 23:09:28,485 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2023-11-06 23:09:28,485 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 110 transitions, 338 flow [2023-11-06 23:09:28,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 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) [2023-11-06 23:09:28,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:28,487 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] [2023-11-06 23:09:28,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 23:09:28,487 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:28,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:28,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1964375313, now seen corresponding path program 1 times [2023-11-06 23:09:28,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:28,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399768233] [2023-11-06 23:09:28,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:28,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:09:28,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:28,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399768233] [2023-11-06 23:09:28,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399768233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:28,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:28,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:28,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992064031] [2023-11-06 23:09:28,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:28,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:28,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:28,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:29,372 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 659 [2023-11-06 23:09:29,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 110 transitions, 338 flow. Second operand has 6 states, 6 states have (on average 339.6666666666667) internal successors, (2038), 6 states have internal predecessors, (2038), 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) [2023-11-06 23:09:29,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:29,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 659 [2023-11-06 23:09:29,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:30,580 INFO L124 PetriNetUnfolderBase]: 5772/11611 cut-off events. [2023-11-06 23:09:30,580 INFO L125 PetriNetUnfolderBase]: For 3352/3397 co-relation queries the response was YES. [2023-11-06 23:09:30,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26023 conditions, 11611 events. 5772/11611 cut-off events. For 3352/3397 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 98605 event pairs, 2485 based on Foata normal form. 45/9053 useless extension candidates. Maximal degree in co-relation 26007. Up to 5911 conditions per place. [2023-11-06 23:09:30,672 INFO L140 encePairwiseOnDemand]: 654/659 looper letters, 125 selfloop transitions, 4 changer transitions 0/189 dead transitions. [2023-11-06 23:09:30,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 189 transitions, 922 flow [2023-11-06 23:09:30,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2116 transitions. [2023-11-06 23:09:30,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5351542741527567 [2023-11-06 23:09:30,679 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2116 transitions. [2023-11-06 23:09:30,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2116 transitions. [2023-11-06 23:09:30,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:30,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2116 transitions. [2023-11-06 23:09:30,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 352.6666666666667) internal successors, (2116), 6 states have internal predecessors, (2116), 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) [2023-11-06 23:09:30,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:30,693 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:30,693 INFO L175 Difference]: Start difference. First operand has 125 places, 110 transitions, 338 flow. Second operand 6 states and 2116 transitions. [2023-11-06 23:09:30,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 189 transitions, 922 flow [2023-11-06 23:09:30,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 189 transitions, 902 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:09:30,722 INFO L231 Difference]: Finished difference. Result has 125 places, 109 transitions, 336 flow [2023-11-06 23:09:30,723 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=336, PETRI_PLACES=125, PETRI_TRANSITIONS=109} [2023-11-06 23:09:30,723 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2023-11-06 23:09:30,724 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 109 transitions, 336 flow [2023-11-06 23:09:30,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.6666666666667) internal successors, (2038), 6 states have internal predecessors, (2038), 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) [2023-11-06 23:09:30,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:30,725 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:30,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 23:09:30,725 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:30,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:30,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1306711321, now seen corresponding path program 1 times [2023-11-06 23:09:30,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:30,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424769453] [2023-11-06 23:09:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:30,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:31,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:31,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424769453] [2023-11-06 23:09:31,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424769453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:31,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:31,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:31,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052798567] [2023-11-06 23:09:31,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:31,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:31,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:31,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:31,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:31,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:31,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 109 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 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) [2023-11-06 23:09:31,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:31,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:31,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:32,837 INFO L124 PetriNetUnfolderBase]: 6131/11976 cut-off events. [2023-11-06 23:09:32,837 INFO L125 PetriNetUnfolderBase]: For 3246/3270 co-relation queries the response was YES. [2023-11-06 23:09:32,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26662 conditions, 11976 events. 6131/11976 cut-off events. For 3246/3270 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 100562 event pairs, 2396 based on Foata normal form. 24/9688 useless extension candidates. Maximal degree in co-relation 26646. Up to 5421 conditions per place. [2023-11-06 23:09:32,952 INFO L140 encePairwiseOnDemand]: 653/659 looper letters, 130 selfloop transitions, 5 changer transitions 0/192 dead transitions. [2023-11-06 23:09:32,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 192 transitions, 876 flow [2023-11-06 23:09:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2132 transitions. [2023-11-06 23:09:32,959 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5392008093070308 [2023-11-06 23:09:32,959 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2132 transitions. [2023-11-06 23:09:32,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2132 transitions. [2023-11-06 23:09:32,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:32,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2132 transitions. [2023-11-06 23:09:32,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.3333333333333) internal successors, (2132), 6 states have internal predecessors, (2132), 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) [2023-11-06 23:09:32,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:32,974 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:32,974 INFO L175 Difference]: Start difference. First operand has 125 places, 109 transitions, 336 flow. Second operand 6 states and 2132 transitions. [2023-11-06 23:09:32,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 192 transitions, 876 flow [2023-11-06 23:09:33,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 192 transitions, 869 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:09:33,014 INFO L231 Difference]: Finished difference. Result has 125 places, 108 transitions, 337 flow [2023-11-06 23:09:33,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=337, PETRI_PLACES=125, PETRI_TRANSITIONS=108} [2023-11-06 23:09:33,015 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2023-11-06 23:09:33,015 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 108 transitions, 337 flow [2023-11-06 23:09:33,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 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) [2023-11-06 23:09:33,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:33,016 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:33,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 23:09:33,016 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:33,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:33,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1329456828, now seen corresponding path program 1 times [2023-11-06 23:09:33,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:33,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616818678] [2023-11-06 23:09:33,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:33,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:33,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:33,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616818678] [2023-11-06 23:09:33,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616818678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:33,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:33,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:33,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717649183] [2023-11-06 23:09:33,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:33,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:33,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:33,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:33,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:33,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:33,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 108 transitions, 337 flow. Second operand has 6 states, 6 states have (on average 338.3333333333333) internal successors, (2030), 6 states have internal predecessors, (2030), 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) [2023-11-06 23:09:33,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:33,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:33,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:35,230 INFO L124 PetriNetUnfolderBase]: 6222/11994 cut-off events. [2023-11-06 23:09:35,230 INFO L125 PetriNetUnfolderBase]: For 3614/3637 co-relation queries the response was YES. [2023-11-06 23:09:35,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27079 conditions, 11994 events. 6222/11994 cut-off events. For 3614/3637 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 99772 event pairs, 2399 based on Foata normal form. 23/9770 useless extension candidates. Maximal degree in co-relation 27063. Up to 5335 conditions per place. [2023-11-06 23:09:35,324 INFO L140 encePairwiseOnDemand]: 653/659 looper letters, 130 selfloop transitions, 5 changer transitions 0/191 dead transitions. [2023-11-06 23:09:35,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 191 transitions, 885 flow [2023-11-06 23:09:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2132 transitions. [2023-11-06 23:09:35,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5392008093070308 [2023-11-06 23:09:35,332 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2132 transitions. [2023-11-06 23:09:35,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2132 transitions. [2023-11-06 23:09:35,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:35,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2132 transitions. [2023-11-06 23:09:35,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.3333333333333) internal successors, (2132), 6 states have internal predecessors, (2132), 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) [2023-11-06 23:09:35,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:35,346 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:35,346 INFO L175 Difference]: Start difference. First operand has 125 places, 108 transitions, 337 flow. Second operand 6 states and 2132 transitions. [2023-11-06 23:09:35,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 191 transitions, 885 flow [2023-11-06 23:09:35,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 191 transitions, 867 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:09:35,377 INFO L231 Difference]: Finished difference. Result has 124 places, 107 transitions, 335 flow [2023-11-06 23:09:35,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=335, PETRI_PLACES=124, PETRI_TRANSITIONS=107} [2023-11-06 23:09:35,378 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -9 predicate places. [2023-11-06 23:09:35,379 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 107 transitions, 335 flow [2023-11-06 23:09:35,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.3333333333333) internal successors, (2030), 6 states have internal predecessors, (2030), 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) [2023-11-06 23:09:35,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:35,379 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:35,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 23:09:35,380 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:35,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:35,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1614201371, now seen corresponding path program 1 times [2023-11-06 23:09:35,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349323477] [2023-11-06 23:09:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:09:35,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:35,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349323477] [2023-11-06 23:09:35,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349323477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:35,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:35,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:35,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368490008] [2023-11-06 23:09:35,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:35,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:35,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:35,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:35,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:36,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 659 [2023-11-06 23:09:36,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 107 transitions, 335 flow. Second operand has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 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) [2023-11-06 23:09:36,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:36,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 659 [2023-11-06 23:09:36,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:37,382 INFO L124 PetriNetUnfolderBase]: 6288/11902 cut-off events. [2023-11-06 23:09:37,382 INFO L125 PetriNetUnfolderBase]: For 3498/3531 co-relation queries the response was YES. [2023-11-06 23:09:37,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27243 conditions, 11902 events. 6288/11902 cut-off events. For 3498/3531 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 96674 event pairs, 2433 based on Foata normal form. 33/9210 useless extension candidates. Maximal degree in co-relation 27227. Up to 5817 conditions per place. [2023-11-06 23:09:37,488 INFO L140 encePairwiseOnDemand]: 653/659 looper letters, 120 selfloop transitions, 5 changer transitions 0/182 dead transitions. [2023-11-06 23:09:37,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 182 transitions, 847 flow [2023-11-06 23:09:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2123 transitions. [2023-11-06 23:09:37,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5369246332827516 [2023-11-06 23:09:37,494 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2123 transitions. [2023-11-06 23:09:37,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2123 transitions. [2023-11-06 23:09:37,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:37,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2123 transitions. [2023-11-06 23:09:37,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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) [2023-11-06 23:09:37,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:37,502 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:37,503 INFO L175 Difference]: Start difference. First operand has 124 places, 107 transitions, 335 flow. Second operand 6 states and 2123 transitions. [2023-11-06 23:09:37,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 182 transitions, 847 flow [2023-11-06 23:09:37,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 182 transitions, 829 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:09:37,531 INFO L231 Difference]: Finished difference. Result has 123 places, 106 transitions, 333 flow [2023-11-06 23:09:37,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=333, PETRI_PLACES=123, PETRI_TRANSITIONS=106} [2023-11-06 23:09:37,532 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -10 predicate places. [2023-11-06 23:09:37,532 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 106 transitions, 333 flow [2023-11-06 23:09:37,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 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) [2023-11-06 23:09:37,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:37,533 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] [2023-11-06 23:09:37,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 23:09:37,533 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-06 23:09:37,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash 70962721, now seen corresponding path program 1 times [2023-11-06 23:09:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006195309] [2023-11-06 23:09:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:09:37,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:37,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006195309] [2023-11-06 23:09:37,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006195309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:37,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:37,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:09:37,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790466436] [2023-11-06 23:09:37,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:37,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:37,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:37,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:37,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:38,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 659 [2023-11-06 23:09:38,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 106 transitions, 333 flow. Second operand has 6 states, 6 states have (on average 340.1666666666667) internal successors, (2041), 6 states have internal predecessors, (2041), 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) [2023-11-06 23:09:38,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:38,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 659 [2023-11-06 23:09:38,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:39,239 INFO L124 PetriNetUnfolderBase]: 4896/10412 cut-off events. [2023-11-06 23:09:39,239 INFO L125 PetriNetUnfolderBase]: For 2790/2823 co-relation queries the response was YES. [2023-11-06 23:09:39,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22766 conditions, 10412 events. 4896/10412 cut-off events. For 2790/2823 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 90066 event pairs, 2639 based on Foata normal form. 33/8158 useless extension candidates. Maximal degree in co-relation 22750. Up to 6263 conditions per place. [2023-11-06 23:09:39,293 INFO L140 encePairwiseOnDemand]: 654/659 looper letters, 0 selfloop transitions, 0 changer transitions 149/149 dead transitions. [2023-11-06 23:09:39,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 149 transitions, 693 flow [2023-11-06 23:09:39,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2092 transitions. [2023-11-06 23:09:39,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5290844714213455 [2023-11-06 23:09:39,301 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2092 transitions. [2023-11-06 23:09:39,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2092 transitions. [2023-11-06 23:09:39,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:39,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2092 transitions. [2023-11-06 23:09:39,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 348.6666666666667) internal successors, (2092), 6 states have internal predecessors, (2092), 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) [2023-11-06 23:09:39,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:39,311 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 659.0) internal successors, (4613), 7 states have internal predecessors, (4613), 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) [2023-11-06 23:09:39,311 INFO L175 Difference]: Start difference. First operand has 123 places, 106 transitions, 333 flow. Second operand 6 states and 2092 transitions. [2023-11-06 23:09:39,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 149 transitions, 693 flow [2023-11-06 23:09:39,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 149 transitions, 675 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:09:39,334 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2023-11-06 23:09:39,334 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=659, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2023-11-06 23:09:39,335 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -11 predicate places. [2023-11-06 23:09:39,335 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2023-11-06 23:09:39,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.1666666666667) internal successors, (2041), 6 states have internal predecessors, (2041), 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) [2023-11-06 23:09:39,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (63 of 64 remaining) [2023-11-06 23:09:39,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (62 of 64 remaining) [2023-11-06 23:09:39,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (61 of 64 remaining) [2023-11-06 23:09:39,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (60 of 64 remaining) [2023-11-06 23:09:39,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 64 remaining) [2023-11-06 23:09:39,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 64 remaining) [2023-11-06 23:09:39,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 64 remaining) [2023-11-06 23:09:39,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (56 of 64 remaining) [2023-11-06 23:09:39,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (55 of 64 remaining) [2023-11-06 23:09:39,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (54 of 64 remaining) [2023-11-06 23:09:39,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 64 remaining) [2023-11-06 23:09:39,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 64 remaining) [2023-11-06 23:09:39,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 64 remaining) [2023-11-06 23:09:39,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 64 remaining) [2023-11-06 23:09:39,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (49 of 64 remaining) [2023-11-06 23:09:39,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (48 of 64 remaining) [2023-11-06 23:09:39,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (47 of 64 remaining) [2023-11-06 23:09:39,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (46 of 64 remaining) [2023-11-06 23:09:39,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 64 remaining) [2023-11-06 23:09:39,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 64 remaining) [2023-11-06 23:09:39,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 64 remaining) [2023-11-06 23:09:39,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 64 remaining) [2023-11-06 23:09:39,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 64 remaining) [2023-11-06 23:09:39,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 64 remaining) [2023-11-06 23:09:39,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 64 remaining) [2023-11-06 23:09:39,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 64 remaining) [2023-11-06 23:09:39,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 64 remaining) [2023-11-06 23:09:39,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 64 remaining) [2023-11-06 23:09:39,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 64 remaining) [2023-11-06 23:09:39,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 64 remaining) [2023-11-06 23:09:39,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 64 remaining) [2023-11-06 23:09:39,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 64 remaining) [2023-11-06 23:09:39,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 64 remaining) [2023-11-06 23:09:39,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (30 of 64 remaining) [2023-11-06 23:09:39,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (29 of 64 remaining) [2023-11-06 23:09:39,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (28 of 64 remaining) [2023-11-06 23:09:39,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (27 of 64 remaining) [2023-11-06 23:09:39,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (26 of 64 remaining) [2023-11-06 23:09:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (25 of 64 remaining) [2023-11-06 23:09:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 64 remaining) [2023-11-06 23:09:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 64 remaining) [2023-11-06 23:09:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 64 remaining) [2023-11-06 23:09:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 64 remaining) [2023-11-06 23:09:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 64 remaining) [2023-11-06 23:09:39,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 64 remaining) [2023-11-06 23:09:39,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 64 remaining) [2023-11-06 23:09:39,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 64 remaining) [2023-11-06 23:09:39,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 64 remaining) [2023-11-06 23:09:39,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 64 remaining) [2023-11-06 23:09:39,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 64 remaining) [2023-11-06 23:09:39,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 64 remaining) [2023-11-06 23:09:39,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 64 remaining) [2023-11-06 23:09:39,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 64 remaining) [2023-11-06 23:09:39,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 64 remaining) [2023-11-06 23:09:39,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 64 remaining) [2023-11-06 23:09:39,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 64 remaining) [2023-11-06 23:09:39,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 64 remaining) [2023-11-06 23:09:39,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 64 remaining) [2023-11-06 23:09:39,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 64 remaining) [2023-11-06 23:09:39,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 64 remaining) [2023-11-06 23:09:39,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 64 remaining) [2023-11-06 23:09:39,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 64 remaining) [2023-11-06 23:09:39,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 64 remaining) [2023-11-06 23:09:39,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (0 of 64 remaining) [2023-11-06 23:09:39,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 23:09:39,350 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:39,356 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:09:39,357 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:09:39,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:39 BasicIcfg [2023-11-06 23:09:39,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:09:39,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:09:39,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:09:39,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:09:39,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:50" (3/4) ... [2023-11-06 23:09:39,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:09:39,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 23:09:39,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 23:09:39,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 23:09:39,377 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-06 23:09:39,378 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:09:39,378 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:09:39,379 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:09:39,452 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:09:39,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:09:39,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:09:39,454 INFO L158 Benchmark]: Toolchain (without parser) took 49913.76ms. Allocated memory was 153.1MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 109.4MB in the beginning and 832.9MB in the end (delta: -723.4MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-11-06 23:09:39,454 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:39,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.91ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 96.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:09:39,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.97ms. Allocated memory is still 153.1MB. Free memory was 96.4MB in the beginning and 93.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:39,455 INFO L158 Benchmark]: Boogie Preprocessor took 103.43ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 91.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:39,456 INFO L158 Benchmark]: RCFGBuilder took 902.26ms. Allocated memory is still 153.1MB. Free memory was 91.4MB in the beginning and 105.9MB in the end (delta: -14.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:39,456 INFO L158 Benchmark]: TraceAbstraction took 48370.26ms. Allocated memory was 153.1MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 105.1MB in the beginning and 838.1MB in the end (delta: -733.0MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-11-06 23:09:39,457 INFO L158 Benchmark]: Witness Printer took 91.34ms. Allocated memory is still 2.6GB. Free memory was 838.1MB in the beginning and 832.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:39,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.91ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 96.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.97ms. Allocated memory is still 153.1MB. Free memory was 96.4MB in the beginning and 93.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.43ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 91.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.26ms. Allocated memory is still 153.1MB. Free memory was 91.4MB in the beginning and 105.9MB in the end (delta: -14.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 48370.26ms. Allocated memory was 153.1MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 105.1MB in the beginning and 838.1MB in the end (delta: -733.0MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 91.34ms. Allocated memory is still 2.6GB. Free memory was 838.1MB in the beginning and 832.9MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8s, 332 PlacesBefore, 133 PlacesAfterwards, 337 TransitionsBefore, 133 TransitionsAfterwards, 22212 CoEnabledTransitionPairs, 8 FixpointIterations, 167 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 15 ConcurrentYvCompositions, 5 ChoiceCompositions, 293 TotalNumberOfCompositions, 138350 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29368, independent: 27796, independent conditional: 0, independent unconditional: 27796, dependent: 1572, dependent conditional: 0, dependent unconditional: 1572, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10315, independent: 10126, independent conditional: 0, independent unconditional: 10126, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29368, independent: 17670, independent conditional: 0, independent unconditional: 17670, dependent: 1383, dependent conditional: 0, dependent unconditional: 1383, unknown: 10315, unknown conditional: 0, unknown unconditional: 10315] , Statistics on independence cache: Total cache size (in pairs): 1523, Positive cache size: 1399, Positive conditional cache size: 0, Positive unconditional cache size: 1399, Negative cache size: 124, Negative conditional cache size: 0, Negative unconditional cache size: 124, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 497 locations, 64 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: 48.1s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 31.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4292 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2886 mSDsluCounter, 1022 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 804 mSDsCounter, 1353 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9190 IncrementalHoareTripleChecker+Invalid, 10543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1353 mSolverCounterUnsat, 218 mSDtfsCounter, 9190 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=13, InterpolantAutomatonStates: 89, 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, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 1665 SizeOfPredicates, 13 NumberOfNonLiveVariables, 551 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 24 InterpolantComputations, 15 PerfectInterpolantSequences, 21/30 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 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:09:39,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b765447-a31d-4a9b-a091-a594737a7417/bin/uautomizer-verify-WvqO1wxjHP/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