./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:26:40,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:26:40,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:26:40,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:26:40,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:26:40,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:26:40,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:26:40,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:26:40,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:26:40,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:26:40,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:26:40,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:26:40,478 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:26:40,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:26:40,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:26:40,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:26:40,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:26:40,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:26:40,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:26:40,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:26:40,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:26:40,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:26:40,484 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:26:40,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:26:40,485 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:26:40,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:26:40,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:26:40,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:26:40,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:26:40,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:26:40,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:26:40,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:26:40,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:26:40,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:26:40,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:26:40,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:26:40,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:26:40,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:26:40,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:26:40,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:26:40,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:26:40,491 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_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 [2023-11-29 02:26:40,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:26:40,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:26:40,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:26:40,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:26:40,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:26:40,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2023-11-29 02:26:43,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:26:43,646 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:26:43,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2023-11-29 02:26:43,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/data/5179aed88/0569d98fbf6745c9bc72d18ea0882750/FLAG889cb4666 [2023-11-29 02:26:43,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/data/5179aed88/0569d98fbf6745c9bc72d18ea0882750 [2023-11-29 02:26:43,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:26:43,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:26:43,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:26:43,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:26:43,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:26:43,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127c7ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43, skipping insertion in model container [2023-11-29 02:26:43,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:26:43,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:26:43,881 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:26:43,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:26:43,930 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:26:43,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43 WrapperNode [2023-11-29 02:26:43,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:26:43,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:26:43,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:26:43,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:26:43,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,980 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 352 [2023-11-29 02:26:43,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:26:43,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:26:43,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:26:43,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:26:43,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:43,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:44,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:44,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:44,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:44,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:44,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:26:44,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:26:44,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:26:44,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:26:44,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (1/1) ... [2023-11-29 02:26:44,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:26:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:26:44,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:26:44,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:26:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:26:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:26:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:26:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:26:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:26:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:26:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:26:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:26:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:26:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:26:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:26:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:26:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:26:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:26:44,093 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:26:44,219 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:26:44,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:26:44,710 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:26:44,733 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:26:44,734 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:26:44,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:44 BoogieIcfgContainer [2023-11-29 02:26:44,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:26:44,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:26:44,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:26:44,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:26:44,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:26:43" (1/3) ... [2023-11-29 02:26:44,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f8309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:26:44, skipping insertion in model container [2023-11-29 02:26:44,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:26:43" (2/3) ... [2023-11-29 02:26:44,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f8309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:26:44, skipping insertion in model container [2023-11-29 02:26:44,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:44" (3/3) ... [2023-11-29 02:26:44,743 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2023-11-29 02:26:44,750 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:26:44,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:26:44,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-11-29 02:26:44,758 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:26:44,878 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 02:26:44,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 467 places, 475 transitions, 971 flow [2023-11-29 02:26:45,135 INFO L124 PetriNetUnfolderBase]: 18/472 cut-off events. [2023-11-29 02:26:45,136 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:26:45,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 472 events. 18/472 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 828 event pairs, 0 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2023-11-29 02:26:45,151 INFO L82 GeneralOperation]: Start removeDead. Operand has 467 places, 475 transitions, 971 flow [2023-11-29 02:26:45,164 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 445 transitions, 908 flow [2023-11-29 02:26:45,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:26:45,181 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8dbf33e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:26:45,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2023-11-29 02:26:45,187 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:26:45,187 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2023-11-29 02:26:45,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:26:45,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:45,188 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] [2023-11-29 02:26:45,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:45,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:45,194 INFO L85 PathProgramCache]: Analyzing trace with hash 899862683, now seen corresponding path program 1 times [2023-11-29 02:26:45,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:45,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775962754] [2023-11-29 02:26:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:45,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:45,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775962754] [2023-11-29 02:26:45,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775962754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:45,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:45,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:45,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409859418] [2023-11-29 02:26:45,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:45,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:45,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:45,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:45,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:45,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 475 [2023-11-29 02:26:45,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 445 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:45,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:45,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 475 [2023-11-29 02:26:45,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:45,723 INFO L124 PetriNetUnfolderBase]: 20/872 cut-off events. [2023-11-29 02:26:45,723 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2023-11-29 02:26:45,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 937 conditions, 872 events. 20/872 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3159 event pairs, 12 based on Foata normal form. 76/827 useless extension candidates. Maximal degree in co-relation 725. Up to 38 conditions per place. [2023-11-29 02:26:45,737 INFO L140 encePairwiseOnDemand]: 460/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2023-11-29 02:26:45,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 432 transitions, 912 flow [2023-11-29 02:26:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2023-11-29 02:26:45,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9543859649122807 [2023-11-29 02:26:45,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2023-11-29 02:26:45,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2023-11-29 02:26:45,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:45,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2023-11-29 02:26:45,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:45,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:45,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:45,778 INFO L175 Difference]: Start difference. First operand has 439 places, 445 transitions, 908 flow. Second operand 3 states and 1360 transitions. [2023-11-29 02:26:45,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 432 transitions, 912 flow [2023-11-29 02:26:45,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 432 transitions, 900 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:26:45,793 INFO L231 Difference]: Finished difference. Result has 434 places, 432 transitions, 874 flow [2023-11-29 02:26:45,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=434, PETRI_TRANSITIONS=432} [2023-11-29 02:26:45,798 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -5 predicate places. [2023-11-29 02:26:45,799 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 432 transitions, 874 flow [2023-11-29 02:26:45,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:45,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:45,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:45,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:26:45,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:45,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:45,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1158455635, now seen corresponding path program 1 times [2023-11-29 02:26:45,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:45,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531779789] [2023-11-29 02:26:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:45,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:45,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531779789] [2023-11-29 02:26:45,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531779789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:45,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:45,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:45,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544875398] [2023-11-29 02:26:45,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:45,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:45,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:45,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:45,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:45,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2023-11-29 02:26:45,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 432 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:45,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:45,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2023-11-29 02:26:45,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:46,102 INFO L124 PetriNetUnfolderBase]: 12/721 cut-off events. [2023-11-29 02:26:46,102 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:26:46,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 721 events. 12/721 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2637 event pairs, 5 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 717. Up to 22 conditions per place. [2023-11-29 02:26:46,115 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-29 02:26:46,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 431 transitions, 898 flow [2023-11-29 02:26:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2023-11-29 02:26:46,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487719298245614 [2023-11-29 02:26:46,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1352 transitions. [2023-11-29 02:26:46,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1352 transitions. [2023-11-29 02:26:46,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:46,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1352 transitions. [2023-11-29 02:26:46,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,133 INFO L175 Difference]: Start difference. First operand has 434 places, 432 transitions, 874 flow. Second operand 3 states and 1352 transitions. [2023-11-29 02:26:46,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 431 transitions, 898 flow [2023-11-29 02:26:46,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 431 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:46,145 INFO L231 Difference]: Finished difference. Result has 433 places, 431 transitions, 872 flow [2023-11-29 02:26:46,146 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=433, PETRI_TRANSITIONS=431} [2023-11-29 02:26:46,147 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -6 predicate places. [2023-11-29 02:26:46,148 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 431 transitions, 872 flow [2023-11-29 02:26:46,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:46,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:46,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:26:46,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:46,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:46,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1900345940, now seen corresponding path program 1 times [2023-11-29 02:26:46,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:46,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476594648] [2023-11-29 02:26:46,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:46,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:46,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:46,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476594648] [2023-11-29 02:26:46,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476594648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:46,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:46,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:46,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621953926] [2023-11-29 02:26:46,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:46,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:46,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:46,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:46,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:46,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2023-11-29 02:26:46,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 431 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:46,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2023-11-29 02:26:46,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:46,383 INFO L124 PetriNetUnfolderBase]: 12/711 cut-off events. [2023-11-29 02:26:46,383 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:26:46,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 711 events. 12/711 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2566 event pairs, 5 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 699. Up to 22 conditions per place. [2023-11-29 02:26:46,392 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2023-11-29 02:26:46,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 430 transitions, 896 flow [2023-11-29 02:26:46,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2023-11-29 02:26:46,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487719298245614 [2023-11-29 02:26:46,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1352 transitions. [2023-11-29 02:26:46,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1352 transitions. [2023-11-29 02:26:46,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:46,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1352 transitions. [2023-11-29 02:26:46,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,406 INFO L175 Difference]: Start difference. First operand has 433 places, 431 transitions, 872 flow. Second operand 3 states and 1352 transitions. [2023-11-29 02:26:46,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 430 transitions, 896 flow [2023-11-29 02:26:46,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 430 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:46,413 INFO L231 Difference]: Finished difference. Result has 432 places, 430 transitions, 870 flow [2023-11-29 02:26:46,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=432, PETRI_TRANSITIONS=430} [2023-11-29 02:26:46,415 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -7 predicate places. [2023-11-29 02:26:46,415 INFO L495 AbstractCegarLoop]: Abstraction has has 432 places, 430 transitions, 870 flow [2023-11-29 02:26:46,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:46,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:46,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:26:46,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:46,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:46,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2120873950, now seen corresponding path program 1 times [2023-11-29 02:26:46,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:46,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290060698] [2023-11-29 02:26:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:46,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:46,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:46,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290060698] [2023-11-29 02:26:46,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290060698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:46,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:46,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:46,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377225610] [2023-11-29 02:26:46,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:46,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:46,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:46,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:46,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:46,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 475 [2023-11-29 02:26:46,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 430 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:46,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 475 [2023-11-29 02:26:46,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:46,893 INFO L124 PetriNetUnfolderBase]: 34/1459 cut-off events. [2023-11-29 02:26:46,893 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 02:26:46,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1528 conditions, 1459 events. 34/1459 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6973 event pairs, 20 based on Foata normal form. 0/1250 useless extension candidates. Maximal degree in co-relation 1475. Up to 50 conditions per place. [2023-11-29 02:26:46,916 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2023-11-29 02:26:46,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 429 transitions, 898 flow [2023-11-29 02:26:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1348 transitions. [2023-11-29 02:26:46,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9459649122807018 [2023-11-29 02:26:46,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1348 transitions. [2023-11-29 02:26:46,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1348 transitions. [2023-11-29 02:26:46,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:46,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1348 transitions. [2023-11-29 02:26:46,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,932 INFO L175 Difference]: Start difference. First operand has 432 places, 430 transitions, 870 flow. Second operand 3 states and 1348 transitions. [2023-11-29 02:26:46,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 429 transitions, 898 flow [2023-11-29 02:26:46,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 429 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:46,942 INFO L231 Difference]: Finished difference. Result has 431 places, 429 transitions, 868 flow [2023-11-29 02:26:46,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=868, PETRI_PLACES=431, PETRI_TRANSITIONS=429} [2023-11-29 02:26:46,944 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -8 predicate places. [2023-11-29 02:26:46,944 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 429 transitions, 868 flow [2023-11-29 02:26:46,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:46,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:46,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:46,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:26:46,946 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:46,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:46,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1212914803, now seen corresponding path program 1 times [2023-11-29 02:26:46,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:46,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628490896] [2023-11-29 02:26:46,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:46,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:47,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:47,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628490896] [2023-11-29 02:26:47,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628490896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:47,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:47,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:47,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549858179] [2023-11-29 02:26:47,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:47,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:47,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:47,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:47,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:47,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2023-11-29 02:26:47,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 429 transitions, 868 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:47,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2023-11-29 02:26:47,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:47,244 INFO L124 PetriNetUnfolderBase]: 16/898 cut-off events. [2023-11-29 02:26:47,244 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 02:26:47,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 898 events. 16/898 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3391 event pairs, 7 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 875. Up to 25 conditions per place. [2023-11-29 02:26:47,261 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-29 02:26:47,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 428 transitions, 892 flow [2023-11-29 02:26:47,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2023-11-29 02:26:47,267 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487719298245614 [2023-11-29 02:26:47,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1352 transitions. [2023-11-29 02:26:47,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1352 transitions. [2023-11-29 02:26:47,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:47,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1352 transitions. [2023-11-29 02:26:47,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,279 INFO L175 Difference]: Start difference. First operand has 431 places, 429 transitions, 868 flow. Second operand 3 states and 1352 transitions. [2023-11-29 02:26:47,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 428 transitions, 892 flow [2023-11-29 02:26:47,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 428 transitions, 888 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:47,289 INFO L231 Difference]: Finished difference. Result has 430 places, 428 transitions, 866 flow [2023-11-29 02:26:47,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=430, PETRI_TRANSITIONS=428} [2023-11-29 02:26:47,291 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -9 predicate places. [2023-11-29 02:26:47,291 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 428 transitions, 866 flow [2023-11-29 02:26:47,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:47,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:47,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:26:47,293 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:47,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:47,294 INFO L85 PathProgramCache]: Analyzing trace with hash -258567594, now seen corresponding path program 1 times [2023-11-29 02:26:47,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:47,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676564739] [2023-11-29 02:26:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:47,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:47,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676564739] [2023-11-29 02:26:47,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676564739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:47,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:47,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:47,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573825550] [2023-11-29 02:26:47,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:47,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:47,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:47,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:47,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:47,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2023-11-29 02:26:47,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 428 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:47,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2023-11-29 02:26:47,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:47,514 INFO L124 PetriNetUnfolderBase]: 16/888 cut-off events. [2023-11-29 02:26:47,514 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 02:26:47,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 888 events. 16/888 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3320 event pairs, 7 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 857. Up to 25 conditions per place. [2023-11-29 02:26:47,524 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2023-11-29 02:26:47,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 427 transitions, 890 flow [2023-11-29 02:26:47,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2023-11-29 02:26:47,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487719298245614 [2023-11-29 02:26:47,527 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1352 transitions. [2023-11-29 02:26:47,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1352 transitions. [2023-11-29 02:26:47,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:47,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1352 transitions. [2023-11-29 02:26:47,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,536 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,536 INFO L175 Difference]: Start difference. First operand has 430 places, 428 transitions, 866 flow. Second operand 3 states and 1352 transitions. [2023-11-29 02:26:47,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 427 transitions, 890 flow [2023-11-29 02:26:47,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 427 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:47,543 INFO L231 Difference]: Finished difference. Result has 429 places, 427 transitions, 864 flow [2023-11-29 02:26:47,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=429, PETRI_TRANSITIONS=427} [2023-11-29 02:26:47,544 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -10 predicate places. [2023-11-29 02:26:47,544 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 427 transitions, 864 flow [2023-11-29 02:26:47,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:47,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:47,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:26:47,546 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:47,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:47,547 INFO L85 PathProgramCache]: Analyzing trace with hash -957408035, now seen corresponding path program 1 times [2023-11-29 02:26:47,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:47,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749113916] [2023-11-29 02:26:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:47,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:47,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:47,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749113916] [2023-11-29 02:26:47,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749113916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:47,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:47,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:47,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965649040] [2023-11-29 02:26:47,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:47,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:47,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:47,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:47,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:47,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 475 [2023-11-29 02:26:47,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 427 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:47,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 475 [2023-11-29 02:26:47,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:47,771 INFO L124 PetriNetUnfolderBase]: 27/740 cut-off events. [2023-11-29 02:26:47,771 INFO L125 PetriNetUnfolderBase]: For 13/16 co-relation queries the response was YES. [2023-11-29 02:26:47,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 740 events. 27/740 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2762 event pairs, 20 based on Foata normal form. 0/646 useless extension candidates. Maximal degree in co-relation 724. Up to 50 conditions per place. [2023-11-29 02:26:47,779 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2023-11-29 02:26:47,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 426 transitions, 892 flow [2023-11-29 02:26:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1348 transitions. [2023-11-29 02:26:47,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9459649122807018 [2023-11-29 02:26:47,784 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1348 transitions. [2023-11-29 02:26:47,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1348 transitions. [2023-11-29 02:26:47,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:47,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1348 transitions. [2023-11-29 02:26:47,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,791 INFO L175 Difference]: Start difference. First operand has 429 places, 427 transitions, 864 flow. Second operand 3 states and 1348 transitions. [2023-11-29 02:26:47,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 426 transitions, 892 flow [2023-11-29 02:26:47,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 426 transitions, 888 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:47,798 INFO L231 Difference]: Finished difference. Result has 428 places, 426 transitions, 862 flow [2023-11-29 02:26:47,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=428, PETRI_TRANSITIONS=426} [2023-11-29 02:26:47,799 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -11 predicate places. [2023-11-29 02:26:47,799 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 426 transitions, 862 flow [2023-11-29 02:26:47,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:47,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:47,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:26:47,801 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:47,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:47,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1806709912, now seen corresponding path program 1 times [2023-11-29 02:26:47,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:47,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859113858] [2023-11-29 02:26:47,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:47,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:47,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859113858] [2023-11-29 02:26:47,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859113858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:47,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:47,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:47,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571018409] [2023-11-29 02:26:47,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:47,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:47,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:47,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:47,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:47,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2023-11-29 02:26:47,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 426 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:47,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:47,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2023-11-29 02:26:47,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:47,996 INFO L124 PetriNetUnfolderBase]: 15/712 cut-off events. [2023-11-29 02:26:47,996 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2023-11-29 02:26:48,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 712 events. 15/712 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1964 event pairs, 7 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 662. Up to 25 conditions per place. [2023-11-29 02:26:48,004 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2023-11-29 02:26:48,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 425 transitions, 886 flow [2023-11-29 02:26:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2023-11-29 02:26:48,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487719298245614 [2023-11-29 02:26:48,009 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1352 transitions. [2023-11-29 02:26:48,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1352 transitions. [2023-11-29 02:26:48,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:48,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1352 transitions. [2023-11-29 02:26:48,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,016 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,016 INFO L175 Difference]: Start difference. First operand has 428 places, 426 transitions, 862 flow. Second operand 3 states and 1352 transitions. [2023-11-29 02:26:48,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 425 transitions, 886 flow [2023-11-29 02:26:48,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 425 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:48,022 INFO L231 Difference]: Finished difference. Result has 427 places, 425 transitions, 860 flow [2023-11-29 02:26:48,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=427, PETRI_TRANSITIONS=425} [2023-11-29 02:26:48,024 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -12 predicate places. [2023-11-29 02:26:48,024 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 425 transitions, 860 flow [2023-11-29 02:26:48,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:48,025 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:48,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:26:48,025 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:48,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:48,026 INFO L85 PathProgramCache]: Analyzing trace with hash 104330121, now seen corresponding path program 1 times [2023-11-29 02:26:48,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:48,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022002176] [2023-11-29 02:26:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:48,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:48,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022002176] [2023-11-29 02:26:48,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022002176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:48,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:48,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:48,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067875101] [2023-11-29 02:26:48,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:48,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:48,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:48,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:48,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:48,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 475 [2023-11-29 02:26:48,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 425 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:48,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 475 [2023-11-29 02:26:48,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:48,208 INFO L124 PetriNetUnfolderBase]: 15/702 cut-off events. [2023-11-29 02:26:48,208 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2023-11-29 02:26:48,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 702 events. 15/702 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1926 event pairs, 7 based on Foata normal form. 0/608 useless extension candidates. Maximal degree in co-relation 644. Up to 25 conditions per place. [2023-11-29 02:26:48,224 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/424 dead transitions. [2023-11-29 02:26:48,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 424 transitions, 884 flow [2023-11-29 02:26:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2023-11-29 02:26:48,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487719298245614 [2023-11-29 02:26:48,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1352 transitions. [2023-11-29 02:26:48,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1352 transitions. [2023-11-29 02:26:48,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:48,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1352 transitions. [2023-11-29 02:26:48,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,240 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,240 INFO L175 Difference]: Start difference. First operand has 427 places, 425 transitions, 860 flow. Second operand 3 states and 1352 transitions. [2023-11-29 02:26:48,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 424 transitions, 884 flow [2023-11-29 02:26:48,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 424 transitions, 880 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:48,250 INFO L231 Difference]: Finished difference. Result has 426 places, 424 transitions, 858 flow [2023-11-29 02:26:48,251 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=858, PETRI_PLACES=426, PETRI_TRANSITIONS=424} [2023-11-29 02:26:48,251 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -13 predicate places. [2023-11-29 02:26:48,252 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 424 transitions, 858 flow [2023-11-29 02:26:48,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:48,253 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:48,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:26:48,253 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:48,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:48,254 INFO L85 PathProgramCache]: Analyzing trace with hash 719788135, now seen corresponding path program 1 times [2023-11-29 02:26:48,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:48,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551263403] [2023-11-29 02:26:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:48,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:48,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:48,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551263403] [2023-11-29 02:26:48,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551263403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:48,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:48,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:48,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750130391] [2023-11-29 02:26:48,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:48,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:48,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:48,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:48,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2023-11-29 02:26:48,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 424 transitions, 858 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:48,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2023-11-29 02:26:48,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:48,526 INFO L124 PetriNetUnfolderBase]: 22/962 cut-off events. [2023-11-29 02:26:48,527 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:26:48,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 962 events. 22/962 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3687 event pairs, 6 based on Foata normal form. 0/832 useless extension candidates. Maximal degree in co-relation 908. Up to 31 conditions per place. [2023-11-29 02:26:48,542 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2023-11-29 02:26:48,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 426 transitions, 894 flow [2023-11-29 02:26:48,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:48,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:48,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:48,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:48,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:48,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:48,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,570 INFO L175 Difference]: Start difference. First operand has 426 places, 424 transitions, 858 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:48,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 426 transitions, 894 flow [2023-11-29 02:26:48,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 426 transitions, 890 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:48,583 INFO L231 Difference]: Finished difference. Result has 425 places, 424 transitions, 864 flow [2023-11-29 02:26:48,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=425, PETRI_TRANSITIONS=424} [2023-11-29 02:26:48,584 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2023-11-29 02:26:48,585 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 424 transitions, 864 flow [2023-11-29 02:26:48,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:48,585 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:48,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:26:48,586 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:48,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:48,586 INFO L85 PathProgramCache]: Analyzing trace with hash 226696969, now seen corresponding path program 1 times [2023-11-29 02:26:48,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:48,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716388828] [2023-11-29 02:26:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:48,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:48,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716388828] [2023-11-29 02:26:48,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716388828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:48,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:48,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:48,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195130473] [2023-11-29 02:26:48,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:48,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:48,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:48,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:48,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:48,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2023-11-29 02:26:48,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 424 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:48,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2023-11-29 02:26:48,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:48,925 INFO L124 PetriNetUnfolderBase]: 25/1129 cut-off events. [2023-11-29 02:26:48,925 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:26:48,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 1129 events. 25/1129 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5088 event pairs, 6 based on Foata normal form. 0/982 useless extension candidates. Maximal degree in co-relation 980. Up to 33 conditions per place. [2023-11-29 02:26:48,944 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2023-11-29 02:26:48,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 426 transitions, 900 flow [2023-11-29 02:26:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:48,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:48,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:48,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:48,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:48,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:48,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,958 INFO L175 Difference]: Start difference. First operand has 425 places, 424 transitions, 864 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:48,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 426 transitions, 900 flow [2023-11-29 02:26:48,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 426 transitions, 900 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:48,994 INFO L231 Difference]: Finished difference. Result has 426 places, 424 transitions, 874 flow [2023-11-29 02:26:48,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=426, PETRI_TRANSITIONS=424} [2023-11-29 02:26:48,995 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -13 predicate places. [2023-11-29 02:26:48,995 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 424 transitions, 874 flow [2023-11-29 02:26:48,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:48,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:48,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:48,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:26:48,996 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:48,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1030526587, now seen corresponding path program 1 times [2023-11-29 02:26:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:48,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548827128] [2023-11-29 02:26:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:48,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:49,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:49,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548827128] [2023-11-29 02:26:49,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548827128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:49,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:49,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617121160] [2023-11-29 02:26:49,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:49,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:49,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:49,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:49,044 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2023-11-29 02:26:49,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 424 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:49,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2023-11-29 02:26:49,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:49,248 INFO L124 PetriNetUnfolderBase]: 37/1226 cut-off events. [2023-11-29 02:26:49,249 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 02:26:49,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1304 conditions, 1226 events. 37/1226 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6969 event pairs, 5 based on Foata normal form. 0/1059 useless extension candidates. Maximal degree in co-relation 1101. Up to 43 conditions per place. [2023-11-29 02:26:49,279 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2023-11-29 02:26:49,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 426 transitions, 910 flow [2023-11-29 02:26:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:49,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:49,285 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:49,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:49,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:49,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:49,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,291 INFO L175 Difference]: Start difference. First operand has 426 places, 424 transitions, 874 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:49,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 426 transitions, 910 flow [2023-11-29 02:26:49,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 426 transitions, 910 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:49,297 INFO L231 Difference]: Finished difference. Result has 427 places, 424 transitions, 884 flow [2023-11-29 02:26:49,298 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=427, PETRI_TRANSITIONS=424} [2023-11-29 02:26:49,299 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -12 predicate places. [2023-11-29 02:26:49,299 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 424 transitions, 884 flow [2023-11-29 02:26:49,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:49,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:49,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:26:49,300 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:49,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1801358371, now seen corresponding path program 1 times [2023-11-29 02:26:49,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:49,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042383974] [2023-11-29 02:26:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:49,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:49,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:49,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042383974] [2023-11-29 02:26:49,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042383974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:49,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:49,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:49,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402972984] [2023-11-29 02:26:49,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:49,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:49,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:49,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:49,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:49,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2023-11-29 02:26:49,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 424 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:49,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2023-11-29 02:26:49,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:49,647 INFO L124 PetriNetUnfolderBase]: 50/1893 cut-off events. [2023-11-29 02:26:49,648 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2023-11-29 02:26:49,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2005 conditions, 1893 events. 50/1893 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13243 event pairs, 12 based on Foata normal form. 0/1642 useless extension candidates. Maximal degree in co-relation 1708. Up to 50 conditions per place. [2023-11-29 02:26:49,665 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2023-11-29 02:26:49,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 426 transitions, 920 flow [2023-11-29 02:26:49,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:49,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:49,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:49,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:49,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:49,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:49,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,676 INFO L175 Difference]: Start difference. First operand has 427 places, 424 transitions, 884 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:49,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 426 transitions, 920 flow [2023-11-29 02:26:49,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 426 transitions, 920 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:49,682 INFO L231 Difference]: Finished difference. Result has 428 places, 424 transitions, 894 flow [2023-11-29 02:26:49,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=428, PETRI_TRANSITIONS=424} [2023-11-29 02:26:49,683 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -11 predicate places. [2023-11-29 02:26:49,683 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 424 transitions, 894 flow [2023-11-29 02:26:49,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:49,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:49,684 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:49,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:26:49,685 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:49,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash 728039682, now seen corresponding path program 1 times [2023-11-29 02:26:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:49,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109476652] [2023-11-29 02:26:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:49,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:50,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109476652] [2023-11-29 02:26:50,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109476652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:50,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:50,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:26:50,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874911572] [2023-11-29 02:26:50,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:50,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:26:50,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:50,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:26:50,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:26:50,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 475 [2023-11-29 02:26:50,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 424 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 446.6666666666667) internal successors, (2680), 6 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:50,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 475 [2023-11-29 02:26:50,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:50,507 INFO L124 PetriNetUnfolderBase]: 12/717 cut-off events. [2023-11-29 02:26:50,507 INFO L125 PetriNetUnfolderBase]: For 5/24 co-relation queries the response was YES. [2023-11-29 02:26:50,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 717 events. 12/717 cut-off events. For 5/24 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2763 event pairs, 0 based on Foata normal form. 12/648 useless extension candidates. Maximal degree in co-relation 577. Up to 7 conditions per place. [2023-11-29 02:26:50,515 INFO L140 encePairwiseOnDemand]: 470/475 looper letters, 9 selfloop transitions, 4 changer transitions 0/423 dead transitions. [2023-11-29 02:26:50,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 423 transitions, 918 flow [2023-11-29 02:26:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:26:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:26:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2684 transitions. [2023-11-29 02:26:50,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9417543859649122 [2023-11-29 02:26:50,522 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2684 transitions. [2023-11-29 02:26:50,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2684 transitions. [2023-11-29 02:26:50,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:50,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2684 transitions. [2023-11-29 02:26:50,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 447.3333333333333) internal successors, (2684), 6 states have internal predecessors, (2684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,534 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,534 INFO L175 Difference]: Start difference. First operand has 428 places, 424 transitions, 894 flow. Second operand 6 states and 2684 transitions. [2023-11-29 02:26:50,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 423 transitions, 918 flow [2023-11-29 02:26:50,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 423 transitions, 918 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:50,540 INFO L231 Difference]: Finished difference. Result has 432 places, 423 transitions, 900 flow [2023-11-29 02:26:50,541 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=432, PETRI_TRANSITIONS=423} [2023-11-29 02:26:50,542 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -7 predicate places. [2023-11-29 02:26:50,542 INFO L495 AbstractCegarLoop]: Abstraction has has 432 places, 423 transitions, 900 flow [2023-11-29 02:26:50,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 446.6666666666667) internal successors, (2680), 6 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,543 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:50,543 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:50,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:26:50,543 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:50,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:50,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1527006317, now seen corresponding path program 1 times [2023-11-29 02:26:50,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:50,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729693661] [2023-11-29 02:26:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:50,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:50,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:50,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729693661] [2023-11-29 02:26:50,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729693661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:50,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:50,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:50,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633734648] [2023-11-29 02:26:50,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:50,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:50,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:50,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:50,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:50,600 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2023-11-29 02:26:50,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 423 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:50,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2023-11-29 02:26:50,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:50,864 INFO L124 PetriNetUnfolderBase]: 61/1691 cut-off events. [2023-11-29 02:26:50,864 INFO L125 PetriNetUnfolderBase]: For 19/25 co-relation queries the response was YES. [2023-11-29 02:26:50,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1812 conditions, 1691 events. 61/1691 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10289 event pairs, 10 based on Foata normal form. 0/1447 useless extension candidates. Maximal degree in co-relation 1612. Up to 70 conditions per place. [2023-11-29 02:26:50,879 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2023-11-29 02:26:50,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 425 transitions, 936 flow [2023-11-29 02:26:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:50,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:50,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:50,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:50,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:50,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:50,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,890 INFO L175 Difference]: Start difference. First operand has 432 places, 423 transitions, 900 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:50,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 425 transitions, 936 flow [2023-11-29 02:26:50,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 425 transitions, 929 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:26:50,897 INFO L231 Difference]: Finished difference. Result has 429 places, 423 transitions, 903 flow [2023-11-29 02:26:50,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=429, PETRI_TRANSITIONS=423} [2023-11-29 02:26:50,898 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -10 predicate places. [2023-11-29 02:26:50,898 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 423 transitions, 903 flow [2023-11-29 02:26:50,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:50,899 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:50,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:26:50,900 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:50,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:50,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1425706609, now seen corresponding path program 1 times [2023-11-29 02:26:50,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:50,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615413774] [2023-11-29 02:26:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:50,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:50,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:50,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615413774] [2023-11-29 02:26:50,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615413774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:50,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:50,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:50,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420181064] [2023-11-29 02:26:50,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:50,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:50,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:50,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:50,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:50,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 475 [2023-11-29 02:26:50,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 423 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:50,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:50,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 475 [2023-11-29 02:26:50,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:51,256 INFO L124 PetriNetUnfolderBase]: 70/1899 cut-off events. [2023-11-29 02:26:51,256 INFO L125 PetriNetUnfolderBase]: For 21/27 co-relation queries the response was YES. [2023-11-29 02:26:51,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2041 conditions, 1899 events. 70/1899 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11853 event pairs, 19 based on Foata normal form. 0/1638 useless extension candidates. Maximal degree in co-relation 1847. Up to 80 conditions per place. [2023-11-29 02:26:51,271 INFO L140 encePairwiseOnDemand]: 471/475 looper letters, 13 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2023-11-29 02:26:51,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 425 transitions, 939 flow [2023-11-29 02:26:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:51,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:51,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:51,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:51,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:51,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:51,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,282 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,283 INFO L175 Difference]: Start difference. First operand has 429 places, 423 transitions, 903 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:51,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 425 transitions, 939 flow [2023-11-29 02:26:51,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 425 transitions, 939 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:51,290 INFO L231 Difference]: Finished difference. Result has 430 places, 423 transitions, 913 flow [2023-11-29 02:26:51,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=913, PETRI_PLACES=430, PETRI_TRANSITIONS=423} [2023-11-29 02:26:51,291 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -9 predicate places. [2023-11-29 02:26:51,291 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 423 transitions, 913 flow [2023-11-29 02:26:51,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:51,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:51,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:26:51,292 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:51,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:51,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1593959371, now seen corresponding path program 1 times [2023-11-29 02:26:51,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:51,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717317615] [2023-11-29 02:26:51,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:51,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:51,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:51,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717317615] [2023-11-29 02:26:51,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717317615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:51,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:51,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:51,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957478295] [2023-11-29 02:26:51,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:51,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:51,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:51,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:51,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:51,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 475 [2023-11-29 02:26:51,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 423 transitions, 913 flow. Second operand has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:51,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 475 [2023-11-29 02:26:51,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:51,711 INFO L124 PetriNetUnfolderBase]: 179/1968 cut-off events. [2023-11-29 02:26:51,711 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-29 02:26:51,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2355 conditions, 1968 events. 179/1968 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 13833 event pairs, 84 based on Foata normal form. 0/1679 useless extension candidates. Maximal degree in co-relation 2065. Up to 293 conditions per place. [2023-11-29 02:26:51,726 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 17 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2023-11-29 02:26:51,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 423 transitions, 953 flow [2023-11-29 02:26:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2023-11-29 02:26:51,729 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2023-11-29 02:26:51,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1349 transitions. [2023-11-29 02:26:51,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1349 transitions. [2023-11-29 02:26:51,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:51,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1349 transitions. [2023-11-29 02:26:51,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,735 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,735 INFO L175 Difference]: Start difference. First operand has 430 places, 423 transitions, 913 flow. Second operand 3 states and 1349 transitions. [2023-11-29 02:26:51,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 423 transitions, 953 flow [2023-11-29 02:26:51,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 423 transitions, 953 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:51,742 INFO L231 Difference]: Finished difference. Result has 429 places, 421 transitions, 919 flow [2023-11-29 02:26:51,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=429, PETRI_TRANSITIONS=421} [2023-11-29 02:26:51,742 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -10 predicate places. [2023-11-29 02:26:51,743 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 421 transitions, 919 flow [2023-11-29 02:26:51,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:51,743 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:51,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:26:51,743 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:51,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:51,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1508333075, now seen corresponding path program 1 times [2023-11-29 02:26:51,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:51,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941844300] [2023-11-29 02:26:51,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941844300] [2023-11-29 02:26:51,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941844300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:51,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:51,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849581725] [2023-11-29 02:26:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:51,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:51,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:51,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:51,804 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 475 [2023-11-29 02:26:51,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 421 transitions, 919 flow. Second operand has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:51,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:51,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 475 [2023-11-29 02:26:51,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:52,127 INFO L124 PetriNetUnfolderBase]: 123/1574 cut-off events. [2023-11-29 02:26:52,127 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-29 02:26:52,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1875 conditions, 1574 events. 123/1574 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9867 event pairs, 28 based on Foata normal form. 0/1394 useless extension candidates. Maximal degree in co-relation 1583. Up to 152 conditions per place. [2023-11-29 02:26:52,142 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 17 selfloop transitions, 2 changer transitions 0/421 dead transitions. [2023-11-29 02:26:52,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 421 transitions, 959 flow [2023-11-29 02:26:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2023-11-29 02:26:52,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2023-11-29 02:26:52,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1349 transitions. [2023-11-29 02:26:52,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1349 transitions. [2023-11-29 02:26:52,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:52,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1349 transitions. [2023-11-29 02:26:52,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,154 INFO L175 Difference]: Start difference. First operand has 429 places, 421 transitions, 919 flow. Second operand 3 states and 1349 transitions. [2023-11-29 02:26:52,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 421 transitions, 959 flow [2023-11-29 02:26:52,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 421 transitions, 959 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:52,163 INFO L231 Difference]: Finished difference. Result has 428 places, 419 transitions, 925 flow [2023-11-29 02:26:52,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=925, PETRI_PLACES=428, PETRI_TRANSITIONS=419} [2023-11-29 02:26:52,164 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -11 predicate places. [2023-11-29 02:26:52,164 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 419 transitions, 925 flow [2023-11-29 02:26:52,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,165 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:52,165 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:52,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:26:52,165 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:52,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:52,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1929615318, now seen corresponding path program 1 times [2023-11-29 02:26:52,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:52,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093929143] [2023-11-29 02:26:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:52,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:52,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093929143] [2023-11-29 02:26:52,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093929143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:52,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:52,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:52,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744667427] [2023-11-29 02:26:52,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:52,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:52,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:52,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2023-11-29 02:26:52,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 419 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:52,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2023-11-29 02:26:52,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:52,569 INFO L124 PetriNetUnfolderBase]: 60/1581 cut-off events. [2023-11-29 02:26:52,569 INFO L125 PetriNetUnfolderBase]: For 5/29 co-relation queries the response was YES. [2023-11-29 02:26:52,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1803 conditions, 1581 events. 60/1581 cut-off events. For 5/29 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9130 event pairs, 8 based on Foata normal form. 5/1430 useless extension candidates. Maximal degree in co-relation 1477. Up to 38 conditions per place. [2023-11-29 02:26:52,585 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2023-11-29 02:26:52,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 420 transitions, 955 flow [2023-11-29 02:26:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:52,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:52,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:52,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:52,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:52,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:52,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,598 INFO L175 Difference]: Start difference. First operand has 428 places, 419 transitions, 925 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:52,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 420 transitions, 955 flow [2023-11-29 02:26:52,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 420 transitions, 955 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:52,605 INFO L231 Difference]: Finished difference. Result has 429 places, 418 transitions, 927 flow [2023-11-29 02:26:52,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=927, PETRI_PLACES=429, PETRI_TRANSITIONS=418} [2023-11-29 02:26:52,606 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -10 predicate places. [2023-11-29 02:26:52,606 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 418 transitions, 927 flow [2023-11-29 02:26:52,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:52,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:52,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:26:52,607 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:52,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:52,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2069668927, now seen corresponding path program 1 times [2023-11-29 02:26:52,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:52,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485664669] [2023-11-29 02:26:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:52,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:52,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:52,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485664669] [2023-11-29 02:26:52,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485664669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:52,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:52,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:52,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027408152] [2023-11-29 02:26:52,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:52,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:52,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:52,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:52,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:52,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 475 [2023-11-29 02:26:52,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 418 transitions, 927 flow. Second operand has 3 states, 3 states have (on average 443.6666666666667) internal successors, (1331), 3 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:52,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:52,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 475 [2023-11-29 02:26:52,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:53,040 INFO L124 PetriNetUnfolderBase]: 222/1966 cut-off events. [2023-11-29 02:26:53,040 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2023-11-29 02:26:53,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2454 conditions, 1966 events. 222/1966 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12674 event pairs, 76 based on Foata normal form. 0/1771 useless extension candidates. Maximal degree in co-relation 2247. Up to 346 conditions per place. [2023-11-29 02:26:53,055 INFO L140 encePairwiseOnDemand]: 469/475 looper letters, 17 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2023-11-29 02:26:53,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 418 transitions, 967 flow [2023-11-29 02:26:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2023-11-29 02:26:53,058 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2023-11-29 02:26:53,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1349 transitions. [2023-11-29 02:26:53,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1349 transitions. [2023-11-29 02:26:53,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:53,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1349 transitions. [2023-11-29 02:26:53,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,064 INFO L175 Difference]: Start difference. First operand has 429 places, 418 transitions, 927 flow. Second operand 3 states and 1349 transitions. [2023-11-29 02:26:53,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 418 transitions, 967 flow [2023-11-29 02:26:53,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 418 transitions, 963 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:53,070 INFO L231 Difference]: Finished difference. Result has 426 places, 416 transitions, 929 flow [2023-11-29 02:26:53,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=426, PETRI_TRANSITIONS=416} [2023-11-29 02:26:53,071 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -13 predicate places. [2023-11-29 02:26:53,071 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 416 transitions, 929 flow [2023-11-29 02:26:53,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.6666666666667) internal successors, (1331), 3 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:53,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:53,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:26:53,072 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:53,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:53,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1701768682, now seen corresponding path program 1 times [2023-11-29 02:26:53,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:53,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145061984] [2023-11-29 02:26:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:53,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:53,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145061984] [2023-11-29 02:26:53,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145061984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:53,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:53,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:53,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271924272] [2023-11-29 02:26:53,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:53,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:53,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:53,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:53,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:53,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2023-11-29 02:26:53,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 416 transitions, 929 flow. Second operand has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:53,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2023-11-29 02:26:53,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:53,403 INFO L124 PetriNetUnfolderBase]: 66/1619 cut-off events. [2023-11-29 02:26:53,403 INFO L125 PetriNetUnfolderBase]: For 9/24 co-relation queries the response was YES. [2023-11-29 02:26:53,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 1619 events. 66/1619 cut-off events. For 9/24 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 9273 event pairs, 6 based on Foata normal form. 2/1497 useless extension candidates. Maximal degree in co-relation 1647. Up to 48 conditions per place. [2023-11-29 02:26:53,418 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2023-11-29 02:26:53,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 417 transitions, 959 flow [2023-11-29 02:26:53,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:53,422 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:53,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:53,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:53,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:53,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:53,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,429 INFO L175 Difference]: Start difference. First operand has 426 places, 416 transitions, 929 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:53,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 417 transitions, 959 flow [2023-11-29 02:26:53,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 417 transitions, 959 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:26:53,436 INFO L231 Difference]: Finished difference. Result has 427 places, 415 transitions, 931 flow [2023-11-29 02:26:53,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=931, PETRI_PLACES=427, PETRI_TRANSITIONS=415} [2023-11-29 02:26:53,437 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -12 predicate places. [2023-11-29 02:26:53,438 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 415 transitions, 931 flow [2023-11-29 02:26:53,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:53,439 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:53,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:26:53,439 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:53,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:53,439 INFO L85 PathProgramCache]: Analyzing trace with hash -237083652, now seen corresponding path program 1 times [2023-11-29 02:26:53,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:53,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443894749] [2023-11-29 02:26:53,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:53,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:53,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:53,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443894749] [2023-11-29 02:26:53,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443894749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:53,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:53,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355703891] [2023-11-29 02:26:53,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:53,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:53,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:53,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:53,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:53,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 475 [2023-11-29 02:26:53,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 415 transitions, 931 flow. Second operand has 3 states, 3 states have (on average 451.0) internal successors, (1353), 3 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:53,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 475 [2023-11-29 02:26:53,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:53,722 INFO L124 PetriNetUnfolderBase]: 74/1328 cut-off events. [2023-11-29 02:26:53,722 INFO L125 PetriNetUnfolderBase]: For 33/42 co-relation queries the response was YES. [2023-11-29 02:26:53,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1637 conditions, 1328 events. 74/1328 cut-off events. For 33/42 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6939 event pairs, 14 based on Foata normal form. 1/1240 useless extension candidates. Maximal degree in co-relation 1554. Up to 76 conditions per place. [2023-11-29 02:26:53,732 INFO L140 encePairwiseOnDemand]: 472/475 looper letters, 11 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2023-11-29 02:26:53,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 416 transitions, 961 flow [2023-11-29 02:26:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2023-11-29 02:26:53,736 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9550877192982457 [2023-11-29 02:26:53,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1361 transitions. [2023-11-29 02:26:53,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1361 transitions. [2023-11-29 02:26:53,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:53,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1361 transitions. [2023-11-29 02:26:53,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.6666666666667) internal successors, (1361), 3 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,743 INFO L175 Difference]: Start difference. First operand has 427 places, 415 transitions, 931 flow. Second operand 3 states and 1361 transitions. [2023-11-29 02:26:53,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 416 transitions, 961 flow [2023-11-29 02:26:53,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 416 transitions, 957 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:53,750 INFO L231 Difference]: Finished difference. Result has 426 places, 414 transitions, 929 flow [2023-11-29 02:26:53,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=426, PETRI_TRANSITIONS=414} [2023-11-29 02:26:53,751 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -13 predicate places. [2023-11-29 02:26:53,751 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 414 transitions, 929 flow [2023-11-29 02:26:53,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.0) internal successors, (1353), 3 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:53,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:53,751 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:53,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:26:53,751 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:53,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash -675690460, now seen corresponding path program 1 times [2023-11-29 02:26:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:53,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524005204] [2023-11-29 02:26:53,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:53,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:54,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:54,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524005204] [2023-11-29 02:26:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524005204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:26:54,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534190470] [2023-11-29 02:26:54,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:54,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:26:54,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:54,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:26:54,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:26:54,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 475 [2023-11-29 02:26:54,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 414 transitions, 929 flow. Second operand has 6 states, 6 states have (on average 446.8333333333333) internal successors, (2681), 6 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:54,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:54,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 475 [2023-11-29 02:26:54,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:54,780 INFO L124 PetriNetUnfolderBase]: 46/1192 cut-off events. [2023-11-29 02:26:54,780 INFO L125 PetriNetUnfolderBase]: For 5/23 co-relation queries the response was YES. [2023-11-29 02:26:54,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1192 events. 46/1192 cut-off events. For 5/23 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5948 event pairs, 0 based on Foata normal form. 8/1130 useless extension candidates. Maximal degree in co-relation 1280. Up to 38 conditions per place. [2023-11-29 02:26:54,795 INFO L140 encePairwiseOnDemand]: 470/475 looper letters, 9 selfloop transitions, 4 changer transitions 0/413 dead transitions. [2023-11-29 02:26:54,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 413 transitions, 953 flow [2023-11-29 02:26:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:26:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:26:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2684 transitions. [2023-11-29 02:26:54,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9417543859649122 [2023-11-29 02:26:54,802 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2684 transitions. [2023-11-29 02:26:54,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2684 transitions. [2023-11-29 02:26:54,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:54,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2684 transitions. [2023-11-29 02:26:54,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 447.3333333333333) internal successors, (2684), 6 states have internal predecessors, (2684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:54,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:54,815 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:54,815 INFO L175 Difference]: Start difference. First operand has 426 places, 414 transitions, 929 flow. Second operand 6 states and 2684 transitions. [2023-11-29 02:26:54,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 413 transitions, 953 flow [2023-11-29 02:26:54,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 413 transitions, 949 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:26:54,825 INFO L231 Difference]: Finished difference. Result has 428 places, 413 transitions, 931 flow [2023-11-29 02:26:54,826 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=428, PETRI_TRANSITIONS=413} [2023-11-29 02:26:54,826 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -11 predicate places. [2023-11-29 02:26:54,826 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 413 transitions, 931 flow [2023-11-29 02:26:54,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 446.8333333333333) internal successors, (2681), 6 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:54,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:54,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:54,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:26:54,828 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:54,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash 765067388, now seen corresponding path program 1 times [2023-11-29 02:26:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:54,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652594298] [2023-11-29 02:26:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:54,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:55,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:55,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652594298] [2023-11-29 02:26:55,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652594298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:55,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:55,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:26:55,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304588061] [2023-11-29 02:26:55,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:55,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:26:55,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:55,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:26:55,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:26:55,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 475 [2023-11-29 02:26:55,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 413 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 447.0) internal successors, (2682), 6 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:55,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:55,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 475 [2023-11-29 02:26:55,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:56,150 INFO L124 PetriNetUnfolderBase]: 46/1191 cut-off events. [2023-11-29 02:26:56,150 INFO L125 PetriNetUnfolderBase]: For 5/18 co-relation queries the response was YES. [2023-11-29 02:26:56,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 1191 events. 46/1191 cut-off events. For 5/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5939 event pairs, 0 based on Foata normal form. 4/1126 useless extension candidates. Maximal degree in co-relation 1312. Up to 38 conditions per place. [2023-11-29 02:26:56,160 INFO L140 encePairwiseOnDemand]: 470/475 looper letters, 9 selfloop transitions, 4 changer transitions 0/412 dead transitions. [2023-11-29 02:26:56,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 412 transitions, 955 flow [2023-11-29 02:26:56,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:26:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:26:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2684 transitions. [2023-11-29 02:26:56,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9417543859649122 [2023-11-29 02:26:56,168 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2684 transitions. [2023-11-29 02:26:56,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2684 transitions. [2023-11-29 02:26:56,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:56,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2684 transitions. [2023-11-29 02:26:56,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 447.3333333333333) internal successors, (2684), 6 states have internal predecessors, (2684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,176 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,177 INFO L175 Difference]: Start difference. First operand has 428 places, 413 transitions, 931 flow. Second operand 6 states and 2684 transitions. [2023-11-29 02:26:56,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 412 transitions, 955 flow [2023-11-29 02:26:56,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 412 transitions, 948 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:26:56,183 INFO L231 Difference]: Finished difference. Result has 428 places, 412 transitions, 930 flow [2023-11-29 02:26:56,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=428, PETRI_TRANSITIONS=412} [2023-11-29 02:26:56,184 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -11 predicate places. [2023-11-29 02:26:56,184 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 412 transitions, 930 flow [2023-11-29 02:26:56,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.0) internal successors, (2682), 6 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,185 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:56,185 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:56,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:26:56,185 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:56,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:56,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1398679156, now seen corresponding path program 1 times [2023-11-29 02:26:56,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:56,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598846483] [2023-11-29 02:26:56,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:56,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:56,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:56,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598846483] [2023-11-29 02:26:56,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598846483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:56,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:56,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:56,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529124512] [2023-11-29 02:26:56,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:56,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:56,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:56,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2023-11-29 02:26:56,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 412 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:56,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2023-11-29 02:26:56,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:56,650 INFO L124 PetriNetUnfolderBase]: 60/1591 cut-off events. [2023-11-29 02:26:56,650 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2023-11-29 02:26:56,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1832 conditions, 1591 events. 60/1591 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8900 event pairs, 4 based on Foata normal form. 0/1497 useless extension candidates. Maximal degree in co-relation 1793. Up to 50 conditions per place. [2023-11-29 02:26:56,664 INFO L140 encePairwiseOnDemand]: 473/475 looper letters, 8 selfloop transitions, 1 changer transitions 0/411 dead transitions. [2023-11-29 02:26:56,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 411 transitions, 946 flow [2023-11-29 02:26:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1363 transitions. [2023-11-29 02:26:56,668 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9564912280701754 [2023-11-29 02:26:56,668 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1363 transitions. [2023-11-29 02:26:56,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1363 transitions. [2023-11-29 02:26:56,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:56,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1363 transitions. [2023-11-29 02:26:56,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,676 INFO L175 Difference]: Start difference. First operand has 428 places, 412 transitions, 930 flow. Second operand 3 states and 1363 transitions. [2023-11-29 02:26:56,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 411 transitions, 946 flow [2023-11-29 02:26:56,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 411 transitions, 939 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:26:56,687 INFO L231 Difference]: Finished difference. Result has 425 places, 411 transitions, 923 flow [2023-11-29 02:26:56,688 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=923, PETRI_PLACES=425, PETRI_TRANSITIONS=411} [2023-11-29 02:26:56,689 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2023-11-29 02:26:56,689 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 411 transitions, 923 flow [2023-11-29 02:26:56,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:56,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:56,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:26:56,690 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:56,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash 607757182, now seen corresponding path program 1 times [2023-11-29 02:26:56,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:56,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153225356] [2023-11-29 02:26:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:56,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:56,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153225356] [2023-11-29 02:26:56,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153225356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:56,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:56,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:56,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663074126] [2023-11-29 02:26:56,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:56,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:56,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:56,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:56,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:56,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2023-11-29 02:26:56,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 411 transitions, 923 flow. Second operand has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:56,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:56,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2023-11-29 02:26:56,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:57,107 INFO L124 PetriNetUnfolderBase]: 56/1565 cut-off events. [2023-11-29 02:26:57,107 INFO L125 PetriNetUnfolderBase]: For 6/12 co-relation queries the response was YES. [2023-11-29 02:26:57,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1791 conditions, 1565 events. 56/1565 cut-off events. For 6/12 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8722 event pairs, 3 based on Foata normal form. 0/1474 useless extension candidates. Maximal degree in co-relation 1760. Up to 48 conditions per place. [2023-11-29 02:26:57,119 INFO L140 encePairwiseOnDemand]: 473/475 looper letters, 8 selfloop transitions, 1 changer transitions 0/410 dead transitions. [2023-11-29 02:26:57,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 410 transitions, 939 flow [2023-11-29 02:26:57,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1363 transitions. [2023-11-29 02:26:57,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9564912280701754 [2023-11-29 02:26:57,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1363 transitions. [2023-11-29 02:26:57,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1363 transitions. [2023-11-29 02:26:57,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:57,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1363 transitions. [2023-11-29 02:26:57,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,126 INFO L175 Difference]: Start difference. First operand has 425 places, 411 transitions, 923 flow. Second operand 3 states and 1363 transitions. [2023-11-29 02:26:57,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 410 transitions, 939 flow [2023-11-29 02:26:57,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 410 transitions, 938 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:26:57,133 INFO L231 Difference]: Finished difference. Result has 425 places, 410 transitions, 922 flow [2023-11-29 02:26:57,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=922, PETRI_PLACES=425, PETRI_TRANSITIONS=410} [2023-11-29 02:26:57,135 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2023-11-29 02:26:57,135 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 410 transitions, 922 flow [2023-11-29 02:26:57,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:26:57,135 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:57,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:26:57,135 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-11-29 02:26:57,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:26:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1272966677, now seen corresponding path program 1 times [2023-11-29 02:26:57,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:26:57,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580155890] [2023-11-29 02:26:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:26:57,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:26:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:26:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:26:57,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:26:57,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580155890] [2023-11-29 02:26:57,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580155890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:26:57,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:26:57,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:26:57,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700956770] [2023-11-29 02:26:57,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:26:57,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:26:57,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:26:57,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:26:57,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:26:57,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 475 [2023-11-29 02:26:57,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 410 transitions, 922 flow. Second operand has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:26:57,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 475 [2023-11-29 02:26:57,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:26:57,434 INFO L124 PetriNetUnfolderBase]: 52/1254 cut-off events. [2023-11-29 02:26:57,434 INFO L125 PetriNetUnfolderBase]: For 12/18 co-relation queries the response was YES. [2023-11-29 02:26:57,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1474 conditions, 1254 events. 52/1254 cut-off events. For 12/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6360 event pairs, 7 based on Foata normal form. 2/1182 useless extension candidates. Maximal degree in co-relation 1454. Up to 42 conditions per place. [2023-11-29 02:26:57,442 INFO L140 encePairwiseOnDemand]: 473/475 looper letters, 0 selfloop transitions, 0 changer transitions 409/409 dead transitions. [2023-11-29 02:26:57,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 409 transitions, 936 flow [2023-11-29 02:26:57,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:26:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:26:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2023-11-29 02:26:57,446 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9557894736842105 [2023-11-29 02:26:57,446 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1362 transitions. [2023-11-29 02:26:57,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1362 transitions. [2023-11-29 02:26:57,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:26:57,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1362 transitions. [2023-11-29 02:26:57,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,450 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,450 INFO L175 Difference]: Start difference. First operand has 425 places, 410 transitions, 922 flow. Second operand 3 states and 1362 transitions. [2023-11-29 02:26:57,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 409 transitions, 936 flow [2023-11-29 02:26:57,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 409 transitions, 935 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:26:57,457 INFO L231 Difference]: Finished difference. Result has 425 places, 0 transitions, 0 flow [2023-11-29 02:26:57,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=425, PETRI_TRANSITIONS=0} [2023-11-29 02:26:57,458 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2023-11-29 02:26:57,458 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 0 transitions, 0 flow [2023-11-29 02:26:57,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.0) internal successors, (1362), 3 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:26:57,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2023-11-29 02:26:57,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2023-11-29 02:26:57,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2023-11-29 02:26:57,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2023-11-29 02:26:57,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2023-11-29 02:26:57,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2023-11-29 02:26:57,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2023-11-29 02:26:57,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2023-11-29 02:26:57,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2023-11-29 02:26:57,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2023-11-29 02:26:57,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2023-11-29 02:26:57,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2023-11-29 02:26:57,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2023-11-29 02:26:57,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2023-11-29 02:26:57,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2023-11-29 02:26:57,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2023-11-29 02:26:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2023-11-29 02:26:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2023-11-29 02:26:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2023-11-29 02:26:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2023-11-29 02:26:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2023-11-29 02:26:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2023-11-29 02:26:57,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2023-11-29 02:26:57,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2023-11-29 02:26:57,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2023-11-29 02:26:57,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2023-11-29 02:26:57,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2023-11-29 02:26:57,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2023-11-29 02:26:57,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2023-11-29 02:26:57,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2023-11-29 02:26:57,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2023-11-29 02:26:57,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:26:57,472 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:26:57,478 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:26:57,479 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:26:57,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:26:57 BasicIcfg [2023-11-29 02:26:57,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:26:57,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:26:57,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:26:57,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:26:57,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:26:44" (3/4) ... [2023-11-29 02:26:57,487 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:26:57,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:26:57,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:26:57,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:26:57,498 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 02:26:57,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:26:57,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:26:57,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:26:57,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:26:57,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:26:57,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:26:57,595 INFO L158 Benchmark]: Toolchain (without parser) took 13923.42ms. Allocated memory was 125.8MB in the beginning and 740.3MB in the end (delta: 614.5MB). Free memory was 94.1MB in the beginning and 613.6MB in the end (delta: -519.6MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,595 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:26:57,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.03ms. Allocated memory is still 125.8MB. Free memory was 94.1MB in the beginning and 81.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.15ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 78.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,597 INFO L158 Benchmark]: Boogie Preprocessor took 38.50ms. Allocated memory is still 125.8MB. Free memory was 78.6MB in the beginning and 76.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,597 INFO L158 Benchmark]: RCFGBuilder took 715.05ms. Allocated memory is still 125.8MB. Free memory was 76.2MB in the beginning and 88.7MB in the end (delta: -12.4MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,597 INFO L158 Benchmark]: TraceAbstraction took 12746.57ms. Allocated memory was 125.8MB in the beginning and 740.3MB in the end (delta: 614.5MB). Free memory was 88.0MB in the beginning and 619.9MB in the end (delta: -531.9MB). Peak memory consumption was 441.4MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,598 INFO L158 Benchmark]: Witness Printer took 109.89ms. Allocated memory is still 740.3MB. Free memory was 619.9MB in the beginning and 613.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:26:57,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.03ms. Allocated memory is still 125.8MB. Free memory was 94.1MB in the beginning and 81.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.15ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 78.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.50ms. Allocated memory is still 125.8MB. Free memory was 78.6MB in the beginning and 76.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.05ms. Allocated memory is still 125.8MB. Free memory was 76.2MB in the beginning and 88.7MB in the end (delta: -12.4MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12746.57ms. Allocated memory was 125.8MB in the beginning and 740.3MB in the end (delta: 614.5MB). Free memory was 88.0MB in the beginning and 619.9MB in the end (delta: -531.9MB). Peak memory consumption was 441.4MB. Max. memory is 16.1GB. * Witness Printer took 109.89ms. Allocated memory is still 740.3MB. Free memory was 619.9MB in the beginning and 613.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 87]: 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, 731 locations, 72 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: 12.6s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 676 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1086 IncrementalHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 137 mSDtfsCounter, 1086 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=21, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3907 NumberOfCodeBlocks, 3907 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3880 ConstructedInterpolants, 0 QuantifiedInterpolants, 4171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:26:57,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d17b37-2644-4ab4-8248-b9ac63f27305/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE