./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/06_ticket.i --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_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme --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 d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:43:43,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:43:43,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:43:43,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:43:43,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:43:43,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:43:43,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:43:43,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:43:43,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:43:43,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:43:43,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:43:43,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:43:43,740 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:43:43,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:43:43,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:43:43,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:43:43,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:43:43,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:43:43,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:43:43,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:43:43,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:43:43,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:43:43,747 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:43:43,748 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:43:43,748 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:43:43,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:43:43,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:43:43,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:43:43,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:43:43,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:43:43,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:43,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:43:43,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:43:43,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:43:43,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:43:43,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:43:43,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:43:43,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:43:43,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:43:43,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:43:43,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:43:43,757 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_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 [2023-11-26 11:43:44,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:43:44,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:43:44,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:43:44,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:43:44,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:43:44,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-ext/06_ticket.i [2023-11-26 11:43:47,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:43:47,504 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:43:47,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/sv-benchmarks/c/pthread-ext/06_ticket.i [2023-11-26 11:43:47,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/data/e26e2b2ae/11214f84008e4223a3449dfec18437c5/FLAG40b1214fe [2023-11-26 11:43:47,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/data/e26e2b2ae/11214f84008e4223a3449dfec18437c5 [2023-11-26 11:43:47,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:43:47,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:43:47,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:47,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:43:47,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:43:47,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b41e824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47, skipping insertion in model container [2023-11-26 11:43:47,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:43:48,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:43:48,029 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:43:48,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:43:48,164 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:43:48,165 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:43:48,174 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:43:48,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48 WrapperNode [2023-11-26 11:43:48,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:48,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:43:48,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:43:48,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:43:48,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,252 INFO L138 Inliner]: procedures = 172, calls = 17, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 104 [2023-11-26 11:43:48,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:43:48,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:43:48,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:43:48,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:43:48,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:43:48,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:43:48,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:43:48,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:43:48,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (1/1) ... [2023-11-26 11:43:48,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:48,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:43:48,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:43:48,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbae67-eee0-43f2-a66b-7a189f7f17f1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-26 11:43:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-26 11:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:43:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:43:48,370 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:43:48,503 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:43:48,505 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:43:48,742 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:43:48,863 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:43:48,863 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:43:48,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:48 BoogieIcfgContainer [2023-11-26 11:43:48,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:43:48,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:43:48,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:43:48,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:43:48,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:43:47" (1/3) ... [2023-11-26 11:43:48,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600cb455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:43:48, skipping insertion in model container [2023-11-26 11:43:48,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:48" (2/3) ... [2023-11-26 11:43:48,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600cb455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:43:48, skipping insertion in model container [2023-11-26 11:43:48,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:48" (3/3) ... [2023-11-26 11:43:48,877 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2023-11-26 11:43:48,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:43:48,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:43:48,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-26 11:43:48,899 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:43:49,010 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:43:49,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 111 transitions, 226 flow [2023-11-26 11:43:49,118 INFO L124 PetriNetUnfolderBase]: 9/122 cut-off events. [2023-11-26 11:43:49,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:43:49,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 122 events. 9/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 146 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2023-11-26 11:43:49,125 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 111 transitions, 226 flow [2023-11-26 11:43:49,131 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 111 transitions, 226 flow [2023-11-26 11:43:49,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:43:49,160 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;@5842e80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:43:49,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-26 11:43:49,193 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:43:49,194 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2023-11-26 11:43:49,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:43:49,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:49,195 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] [2023-11-26 11:43:49,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-11-26 11:43:49,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash -320205703, now seen corresponding path program 1 times [2023-11-26 11:43:49,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:49,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271834994] [2023-11-26 11:43:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:49,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:49,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271834994] [2023-11-26 11:43:49,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271834994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:49,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:49,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:43:49,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826205732] [2023-11-26 11:43:49,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:49,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:43:49,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:49,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:43:49,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:43:49,538 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2023-11-26 11:43:49,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 111 transitions, 226 flow. Second operand has 2 states, 2 states have (on average 97.0) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:49,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:49,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2023-11-26 11:43:49,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:49,609 INFO L124 PetriNetUnfolderBase]: 2/95 cut-off events. [2023-11-26 11:43:49,610 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:43:49,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 7/90 useless extension candidates. Maximal degree in co-relation 78. Up to 3 conditions per place. [2023-11-26 11:43:49,618 INFO L140 encePairwiseOnDemand]: 99/111 looper letters, 2 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2023-11-26 11:43:49,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 91 transitions, 190 flow [2023-11-26 11:43:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:43:49,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:43:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 206 transitions. [2023-11-26 11:43:49,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2023-11-26 11:43:49,637 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 206 transitions. [2023-11-26 11:43:49,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 206 transitions. [2023-11-26 11:43:49,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:49,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 206 transitions. [2023-11-26 11:43:49,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 103.0) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:49,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:49,664 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:49,666 INFO L175 Difference]: Start difference. First operand has 106 places, 111 transitions, 226 flow. Second operand 2 states and 206 transitions. [2023-11-26 11:43:49,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 91 transitions, 190 flow [2023-11-26 11:43:49,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 91 transitions, 190 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:43:49,677 INFO L231 Difference]: Finished difference. Result has 93 places, 91 transitions, 186 flow [2023-11-26 11:43:49,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=186, PETRI_PLACES=93, PETRI_TRANSITIONS=91} [2023-11-26 11:43:49,685 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -13 predicate places. [2023-11-26 11:43:49,685 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 91 transitions, 186 flow [2023-11-26 11:43:49,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.0) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:49,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:49,686 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:49,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:43:49,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-11-26 11:43:49,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash -387729543, now seen corresponding path program 1 times [2023-11-26 11:43:49,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:49,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107978118] [2023-11-26 11:43:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:43:49,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:43:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:43:49,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:43:49,782 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:43:49,794 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2023-11-26 11:43:49,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-11-26 11:43:49,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-11-26 11:43:49,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-11-26 11:43:49,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-11-26 11:43:49,797 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-11-26 11:43:49,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-11-26 11:43:49,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-11-26 11:43:49,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-11-26 11:43:49,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-11-26 11:43:49,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-11-26 11:43:49,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-11-26 11:43:49,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-11-26 11:43:49,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-11-26 11:43:49,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-11-26 11:43:49,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-11-26 11:43:49,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2023-11-26 11:43:49,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2023-11-26 11:43:49,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-11-26 11:43:49,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-11-26 11:43:49,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-11-26 11:43:49,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-11-26 11:43:49,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-11-26 11:43:49,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-11-26 11:43:49,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-11-26 11:43:49,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-11-26 11:43:49,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-11-26 11:43:49,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:43:49,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:43:49,813 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-26 11:43:49,813 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-26 11:43:49,869 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:43:49,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 196 transitions, 402 flow [2023-11-26 11:43:49,957 INFO L124 PetriNetUnfolderBase]: 17/220 cut-off events. [2023-11-26 11:43:49,957 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:43:49,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 220 events. 17/220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 509 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 181. Up to 6 conditions per place. [2023-11-26 11:43:49,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 196 transitions, 402 flow [2023-11-26 11:43:49,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 196 transitions, 402 flow [2023-11-26 11:43:49,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:43:49,981 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;@5842e80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:43:49,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-11-26 11:43:49,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:43:49,998 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2023-11-26 11:43:50,000 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:43:50,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,001 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] [2023-11-26 11:43:50,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-26 11:43:50,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,002 INFO L85 PathProgramCache]: Analyzing trace with hash 972243089, now seen corresponding path program 1 times [2023-11-26 11:43:50,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407292533] [2023-11-26 11:43:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:50,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:50,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407292533] [2023-11-26 11:43:50,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407292533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:50,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:50,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:43:50,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989372853] [2023-11-26 11:43:50,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:50,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:43:50,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:50,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:43:50,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:43:50,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 196 [2023-11-26 11:43:50,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 196 transitions, 402 flow. Second operand has 2 states, 2 states have (on average 169.0) internal successors, (338), 2 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:50,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 196 [2023-11-26 11:43:50,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:50,202 INFO L124 PetriNetUnfolderBase]: 10/307 cut-off events. [2023-11-26 11:43:50,202 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-26 11:43:50,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 307 events. 10/307 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1041 event pairs, 2 based on Foata normal form. 23/282 useless extension candidates. Maximal degree in co-relation 219. Up to 9 conditions per place. [2023-11-26 11:43:50,208 INFO L140 encePairwiseOnDemand]: 174/196 looper letters, 4 selfloop transitions, 0 changer transitions 0/163 dead transitions. [2023-11-26 11:43:50,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 344 flow [2023-11-26 11:43:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:43:50,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:43:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 362 transitions. [2023-11-26 11:43:50,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.923469387755102 [2023-11-26 11:43:50,213 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 362 transitions. [2023-11-26 11:43:50,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 362 transitions. [2023-11-26 11:43:50,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:50,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 362 transitions. [2023-11-26 11:43:50,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 181.0) internal successors, (362), 2 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,219 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,219 INFO L175 Difference]: Start difference. First operand has 186 places, 196 transitions, 402 flow. Second operand 2 states and 362 transitions. [2023-11-26 11:43:50,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 344 flow [2023-11-26 11:43:50,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:43:50,225 INFO L231 Difference]: Finished difference. Result has 165 places, 163 transitions, 336 flow [2023-11-26 11:43:50,226 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=336, PETRI_PLACES=165, PETRI_TRANSITIONS=163} [2023-11-26 11:43:50,227 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -21 predicate places. [2023-11-26 11:43:50,227 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 336 flow [2023-11-26 11:43:50,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 169.0) internal successors, (338), 2 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,229 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:50,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:43:50,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-11-26 11:43:50,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,230 INFO L85 PathProgramCache]: Analyzing trace with hash -235566164, now seen corresponding path program 1 times [2023-11-26 11:43:50,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799090078] [2023-11-26 11:43:50,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:43:50,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:43:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:43:50,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:43:50,282 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:43:50,282 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2023-11-26 11:43:50,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-11-26 11:43:50,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-11-26 11:43:50,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-11-26 11:43:50,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-11-26 11:43:50,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-11-26 11:43:50,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-11-26 11:43:50,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-11-26 11:43:50,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-11-26 11:43:50,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-11-26 11:43:50,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-11-26 11:43:50,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-11-26 11:43:50,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-11-26 11:43:50,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-11-26 11:43:50,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-11-26 11:43:50,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-11-26 11:43:50,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-11-26 11:43:50,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-11-26 11:43:50,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-11-26 11:43:50,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-11-26 11:43:50,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2023-11-26 11:43:50,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2023-11-26 11:43:50,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2023-11-26 11:43:50,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2023-11-26 11:43:50,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2023-11-26 11:43:50,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2023-11-26 11:43:50,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-11-26 11:43:50,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-11-26 11:43:50,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-11-26 11:43:50,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-11-26 11:43:50,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-11-26 11:43:50,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-11-26 11:43:50,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-11-26 11:43:50,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-11-26 11:43:50,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-11-26 11:43:50,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-11-26 11:43:50,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-11-26 11:43:50,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-11-26 11:43:50,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-11-26 11:43:50,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-11-26 11:43:50,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:43:50,294 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:43:50,295 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-26 11:43:50,296 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-26 11:43:50,388 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:43:50,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 281 transitions, 580 flow [2023-11-26 11:43:50,467 INFO L124 PetriNetUnfolderBase]: 25/318 cut-off events. [2023-11-26 11:43:50,467 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 11:43:50,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 318 events. 25/318 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1005 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 265. Up to 8 conditions per place. [2023-11-26 11:43:50,475 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 281 transitions, 580 flow [2023-11-26 11:43:50,482 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 266 places, 281 transitions, 580 flow [2023-11-26 11:43:50,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:43:50,485 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;@5842e80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:43:50,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2023-11-26 11:43:50,490 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:43:50,490 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2023-11-26 11:43:50,490 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:43:50,491 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,491 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] [2023-11-26 11:43:50,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-26 11:43:50,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1841826658, now seen corresponding path program 1 times [2023-11-26 11:43:50,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329579630] [2023-11-26 11:43:50,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:50,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:50,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329579630] [2023-11-26 11:43:50,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329579630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:50,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:50,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:43:50,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348803330] [2023-11-26 11:43:50,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:50,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:43:50,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:50,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:43:50,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:43:50,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 281 [2023-11-26 11:43:50,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 281 transitions, 580 flow. Second operand has 2 states, 2 states have (on average 241.0) internal successors, (482), 2 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:50,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 281 [2023-11-26 11:43:50,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:50,733 INFO L124 PetriNetUnfolderBase]: 32/789 cut-off events. [2023-11-26 11:43:50,733 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2023-11-26 11:43:50,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 789 events. 32/789 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4751 event pairs, 10 based on Foata normal form. 63/720 useless extension candidates. Maximal degree in co-relation 500. Up to 25 conditions per place. [2023-11-26 11:43:50,753 INFO L140 encePairwiseOnDemand]: 249/281 looper letters, 6 selfloop transitions, 0 changer transitions 0/235 dead transitions. [2023-11-26 11:43:50,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 235 transitions, 500 flow [2023-11-26 11:43:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:43:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:43:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 518 transitions. [2023-11-26 11:43:50,757 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9217081850533808 [2023-11-26 11:43:50,758 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 518 transitions. [2023-11-26 11:43:50,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 518 transitions. [2023-11-26 11:43:50,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:50,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 518 transitions. [2023-11-26 11:43:50,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 259.0) internal successors, (518), 2 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,810 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,810 INFO L175 Difference]: Start difference. First operand has 266 places, 281 transitions, 580 flow. Second operand 2 states and 518 transitions. [2023-11-26 11:43:50,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 235 transitions, 500 flow [2023-11-26 11:43:50,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 235 transitions, 498 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-26 11:43:50,823 INFO L231 Difference]: Finished difference. Result has 237 places, 235 transitions, 486 flow [2023-11-26 11:43:50,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=486, PETRI_PLACES=237, PETRI_TRANSITIONS=235} [2023-11-26 11:43:50,827 INFO L281 CegarLoopForPetriNet]: 266 programPoint places, -29 predicate places. [2023-11-26 11:43:50,827 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 235 transitions, 486 flow [2023-11-26 11:43:50,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 241.0) internal successors, (482), 2 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:50,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:43:50,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-26 11:43:50,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,833 INFO L85 PathProgramCache]: Analyzing trace with hash 915062842, now seen corresponding path program 1 times [2023-11-26 11:43:50,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805791943] [2023-11-26 11:43:50,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:50,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:50,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805791943] [2023-11-26 11:43:50,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805791943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:50,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:50,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:50,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585521385] [2023-11-26 11:43:50,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:50,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:50,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:51,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 281 [2023-11-26 11:43:51,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 235 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:51,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:51,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 281 [2023-11-26 11:43:51,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:52,843 INFO L124 PetriNetUnfolderBase]: 1088/6967 cut-off events. [2023-11-26 11:43:52,844 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-26 11:43:52,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 6967 events. 1088/6967 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 70051 event pairs, 439 based on Foata normal form. 0/5874 useless extension candidates. Maximal degree in co-relation 8830. Up to 1297 conditions per place. [2023-11-26 11:43:52,966 INFO L140 encePairwiseOnDemand]: 257/281 looper letters, 29 selfloop transitions, 18 changer transitions 0/255 dead transitions. [2023-11-26 11:43:52,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 255 transitions, 630 flow [2023-11-26 11:43:52,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:43:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:43:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2023-11-26 11:43:52,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8422301304863582 [2023-11-26 11:43:52,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 710 transitions. [2023-11-26 11:43:52,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions. [2023-11-26 11:43:52,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:52,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions. [2023-11-26 11:43:52,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,981 INFO L175 Difference]: Start difference. First operand has 237 places, 235 transitions, 486 flow. Second operand 3 states and 710 transitions. [2023-11-26 11:43:52,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 255 transitions, 630 flow [2023-11-26 11:43:52,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 255 transitions, 630 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:43:52,989 INFO L231 Difference]: Finished difference. Result has 241 places, 253 transitions, 642 flow [2023-11-26 11:43:52,990 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=241, PETRI_TRANSITIONS=253} [2023-11-26 11:43:52,991 INFO L281 CegarLoopForPetriNet]: 266 programPoint places, -25 predicate places. [2023-11-26 11:43:52,991 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 253 transitions, 642 flow [2023-11-26 11:43:52,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:52,993 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] [2023-11-26 11:43:52,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:43:52,993 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-26 11:43:52,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:52,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2014552729, now seen corresponding path program 1 times [2023-11-26 11:43:52,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:52,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923281735] [2023-11-26 11:43:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:52,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:53,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:53,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923281735] [2023-11-26 11:43:53,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923281735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:53,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:53,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:53,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375333434] [2023-11-26 11:43:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:53,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:53,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:53,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:53,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:53,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 281 [2023-11-26 11:43:53,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 253 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:53,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:53,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 281 [2023-11-26 11:43:53,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:00,420 INFO L124 PetriNetUnfolderBase]: 7827/37248 cut-off events. [2023-11-26 11:44:00,421 INFO L125 PetriNetUnfolderBase]: For 2896/2948 co-relation queries the response was YES. [2023-11-26 11:44:00,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56109 conditions, 37248 events. 7827/37248 cut-off events. For 2896/2948 co-relation queries the response was YES. Maximal size of possible extension queue 931. Compared 517301 event pairs, 3086 based on Foata normal form. 0/32653 useless extension candidates. Maximal degree in co-relation 56101. Up to 7652 conditions per place. [2023-11-26 11:44:01,067 INFO L140 encePairwiseOnDemand]: 248/281 looper letters, 50 selfloop transitions, 24 changer transitions 0/285 dead transitions. [2023-11-26 11:44:01,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 285 transitions, 882 flow [2023-11-26 11:44:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:44:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:44:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2023-11-26 11:44:01,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8279952550415184 [2023-11-26 11:44:01,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 698 transitions. [2023-11-26 11:44:01,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 698 transitions. [2023-11-26 11:44:01,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:01,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 698 transitions. [2023-11-26 11:44:01,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:01,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:01,082 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:01,083 INFO L175 Difference]: Start difference. First operand has 241 places, 253 transitions, 642 flow. Second operand 3 states and 698 transitions. [2023-11-26 11:44:01,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 285 transitions, 882 flow [2023-11-26 11:44:01,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 285 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:44:01,469 INFO L231 Difference]: Finished difference. Result has 243 places, 277 transitions, 816 flow [2023-11-26 11:44:01,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=243, PETRI_TRANSITIONS=277} [2023-11-26 11:44:01,471 INFO L281 CegarLoopForPetriNet]: 266 programPoint places, -23 predicate places. [2023-11-26 11:44:01,471 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 277 transitions, 816 flow [2023-11-26 11:44:01,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:01,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:01,473 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:44:01,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:44:01,473 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-11-26 11:44:01,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:01,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1681147176, now seen corresponding path program 1 times [2023-11-26 11:44:01,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:01,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868415172] [2023-11-26 11:44:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:01,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:44:01,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:44:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:44:01,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:44:01,557 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:44:01,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2023-11-26 11:44:01,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2023-11-26 11:44:01,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2023-11-26 11:44:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2023-11-26 11:44:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2023-11-26 11:44:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2023-11-26 11:44:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2023-11-26 11:44:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2023-11-26 11:44:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2023-11-26 11:44:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2023-11-26 11:44:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2023-11-26 11:44:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2023-11-26 11:44:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2023-11-26 11:44:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2023-11-26 11:44:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2023-11-26 11:44:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2023-11-26 11:44:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2023-11-26 11:44:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2023-11-26 11:44:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2023-11-26 11:44:01,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2023-11-26 11:44:01,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2023-11-26 11:44:01,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2023-11-26 11:44:01,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2023-11-26 11:44:01,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2023-11-26 11:44:01,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2023-11-26 11:44:01,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2023-11-26 11:44:01,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2023-11-26 11:44:01,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2023-11-26 11:44:01,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2023-11-26 11:44:01,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2023-11-26 11:44:01,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2023-11-26 11:44:01,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2023-11-26 11:44:01,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2023-11-26 11:44:01,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2023-11-26 11:44:01,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2023-11-26 11:44:01,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2023-11-26 11:44:01,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2023-11-26 11:44:01,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2023-11-26 11:44:01,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2023-11-26 11:44:01,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2023-11-26 11:44:01,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2023-11-26 11:44:01,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2023-11-26 11:44:01,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2023-11-26 11:44:01,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2023-11-26 11:44:01,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2023-11-26 11:44:01,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2023-11-26 11:44:01,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2023-11-26 11:44:01,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2023-11-26 11:44:01,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2023-11-26 11:44:01,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2023-11-26 11:44:01,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2023-11-26 11:44:01,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2023-11-26 11:44:01,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2023-11-26 11:44:01,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:44:01,572 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:44:01,573 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-26 11:44:01,573 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-11-26 11:44:01,671 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:44:01,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 366 transitions, 760 flow [2023-11-26 11:44:01,799 INFO L124 PetriNetUnfolderBase]: 33/416 cut-off events. [2023-11-26 11:44:01,799 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-26 11:44:01,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 416 events. 33/416 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1558 event pairs, 0 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 349. Up to 10 conditions per place. [2023-11-26 11:44:01,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 366 transitions, 760 flow [2023-11-26 11:44:01,818 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 366 transitions, 760 flow [2023-11-26 11:44:01,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:44:01,820 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;@5842e80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:44:01,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2023-11-26 11:44:01,825 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:44:01,825 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2023-11-26 11:44:01,826 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:44:01,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:01,826 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] [2023-11-26 11:44:01,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-11-26 11:44:01,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash 502572960, now seen corresponding path program 1 times [2023-11-26 11:44:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:01,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070541763] [2023-11-26 11:44:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:01,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:01,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070541763] [2023-11-26 11:44:01,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070541763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:01,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:01,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:44:01,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260532457] [2023-11-26 11:44:01,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:01,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:44:01,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:01,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:44:01,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:44:01,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 366 [2023-11-26 11:44:01,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 366 transitions, 760 flow. Second operand has 2 states, 2 states have (on average 313.0) internal successors, (626), 2 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:01,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:01,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 366 [2023-11-26 11:44:01,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:02,573 INFO L124 PetriNetUnfolderBase]: 86/1815 cut-off events. [2023-11-26 11:44:02,573 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2023-11-26 11:44:02,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1949 conditions, 1815 events. 86/1815 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 14954 event pairs, 34 based on Foata normal form. 159/1662 useless extension candidates. Maximal degree in co-relation 1065. Up to 65 conditions per place. [2023-11-26 11:44:02,613 INFO L140 encePairwiseOnDemand]: 324/366 looper letters, 8 selfloop transitions, 0 changer transitions 0/307 dead transitions. [2023-11-26 11:44:02,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 307 transitions, 658 flow [2023-11-26 11:44:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:44:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:44:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 674 transitions. [2023-11-26 11:44:02,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9207650273224044 [2023-11-26 11:44:02,617 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 674 transitions. [2023-11-26 11:44:02,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 674 transitions. [2023-11-26 11:44:02,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:02,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 674 transitions. [2023-11-26 11:44:02,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:02,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:02,625 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:02,626 INFO L175 Difference]: Start difference. First operand has 346 places, 366 transitions, 760 flow. Second operand 2 states and 674 transitions. [2023-11-26 11:44:02,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 307 transitions, 658 flow [2023-11-26 11:44:02,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 307 transitions, 652 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-26 11:44:02,635 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 636 flow [2023-11-26 11:44:02,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=636, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2023-11-26 11:44:02,639 INFO L281 CegarLoopForPetriNet]: 346 programPoint places, -37 predicate places. [2023-11-26 11:44:02,639 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 636 flow [2023-11-26 11:44:02,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 313.0) internal successors, (626), 2 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:02,640 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:02,640 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:44:02,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:44:02,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-11-26 11:44:02,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:02,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1320685510, now seen corresponding path program 1 times [2023-11-26 11:44:02,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:02,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286461647] [2023-11-26 11:44:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:02,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:02,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286461647] [2023-11-26 11:44:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286461647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:44:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730262768] [2023-11-26 11:44:02,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:02,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:44:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:02,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:44:02,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:44:02,773 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 366 [2023-11-26 11:44:02,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:02,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:02,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 366 [2023-11-26 11:44:02,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:15,294 INFO L124 PetriNetUnfolderBase]: 15440/66543 cut-off events. [2023-11-26 11:44:15,294 INFO L125 PetriNetUnfolderBase]: For 2056/2056 co-relation queries the response was YES. [2023-11-26 11:44:15,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89663 conditions, 66543 events. 15440/66543 cut-off events. For 2056/2056 co-relation queries the response was YES. Maximal size of possible extension queue 1175. Compared 936863 event pairs, 6393 based on Foata normal form. 0/55952 useless extension candidates. Maximal degree in co-relation 89656. Up to 16154 conditions per place. [2023-11-26 11:44:16,649 INFO L140 encePairwiseOnDemand]: 334/366 looper letters, 39 selfloop transitions, 24 changer transitions 0/334 dead transitions. [2023-11-26 11:44:16,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 334 transitions, 831 flow [2023-11-26 11:44:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:44:16,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:44:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2023-11-26 11:44:16,653 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8406193078324226 [2023-11-26 11:44:16,654 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 923 transitions. [2023-11-26 11:44:16,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 923 transitions. [2023-11-26 11:44:16,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:44:16,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 923 transitions. [2023-11-26 11:44:16,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:16,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:16,664 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:16,664 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 636 flow. Second operand 3 states and 923 transitions. [2023-11-26 11:44:16,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 334 transitions, 831 flow [2023-11-26 11:44:16,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 334 transitions, 831 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:44:16,675 INFO L231 Difference]: Finished difference. Result has 313 places, 331 transitions, 844 flow [2023-11-26 11:44:16,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=313, PETRI_TRANSITIONS=331} [2023-11-26 11:44:16,677 INFO L281 CegarLoopForPetriNet]: 346 programPoint places, -33 predicate places. [2023-11-26 11:44:16,677 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 331 transitions, 844 flow [2023-11-26 11:44:16,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:16,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:44:16,678 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] [2023-11-26 11:44:16,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:44:16,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-11-26 11:44:16,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash -242470119, now seen corresponding path program 1 times [2023-11-26 11:44:16,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:16,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359701664] [2023-11-26 11:44:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:16,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:44:16,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:16,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359701664] [2023-11-26 11:44:16,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359701664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:16,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:16,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:44:16,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980998567] [2023-11-26 11:44:16,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:16,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:44:16,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:16,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:44:16,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:44:16,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 366 [2023-11-26 11:44:16,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 331 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:44:16,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:44:16,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 366 [2023-11-26 11:44:16,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:44:22,963 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1167] L693-->L703: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (not .cse0) (= .cse1 v_~next_ticket~0_63) (= v_~next_ticket~0_64 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and .cse0 (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63))))) (= |v_#race~now_serving~0_29| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_29|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][152], [Black: 352#true, 283#L713-2true, 349#true, 273#L734-5true, 214#L728true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 244#L713-1true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 98#L703true, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:22,963 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2023-11-26 11:44:22,963 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:22,963 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:22,963 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,243 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1251] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= v_~next_ticket~0_64 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)) (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0 (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_64} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_29|, #race~next_ticket~0=|v_#race~next_ticket~0_99|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][193], [Black: 352#true, 349#true, 109#L703true, 273#L734-5true, 214#L728true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 244#L713-1true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), 129#L713-2true, thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:23,243 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,243 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:23,244 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,244 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,507 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1335] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0 (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)) (and (= v_~next_ticket~0_64 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_29|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][109], [Black: 352#true, 283#L713-2true, 349#true, 84#L728true, 239#L703true, 273#L734-5true, 324#L713-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:23,507 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,507 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,507 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-26 11:44:23,507 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:23,670 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1251] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= v_~next_ticket~0_64 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)) (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0 (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_64} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_29|, #race~next_ticket~0=|v_#race~next_ticket~0_99|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][193], [Black: 352#true, 349#true, 109#L703true, 273#L734-5true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 244#L713-1true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), 129#L713-2true, thr1Thread4of4ForFork0InUse, 258#L728-1true]) [2023-11-26 11:44:23,670 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2023-11-26 11:44:23,670 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:23,670 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2023-11-26 11:44:23,670 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2023-11-26 11:44:23,947 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1167] L693-->L703: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (not .cse0) (= .cse1 v_~next_ticket~0_63) (= v_~next_ticket~0_64 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and .cse0 (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63))))) (= |v_#race~now_serving~0_29| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_29|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][152], [Black: 352#true, 283#L713-2true, 349#true, 273#L734-5true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 244#L713-1true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 98#L703true, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse, 258#L728-1true]) [2023-11-26 11:44:23,948 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2023-11-26 11:44:23,948 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:23,948 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2023-11-26 11:44:23,948 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2023-11-26 11:44:24,286 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1335] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0 (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)) (and (= v_~next_ticket~0_64 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_29|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][109], [Black: 352#true, 283#L713-2true, 349#true, 239#L703true, 273#L734-5true, 155#L728-1true, 324#L713-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:24,286 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2023-11-26 11:44:24,287 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2023-11-26 11:44:24,287 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2023-11-26 11:44:24,287 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:24,719 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1269] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [132#L726-1true, Black: 352#true, 349#true, 239#L703true, 273#L734-5true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 67#L727-2true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), 129#L713-2true, thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:24,719 INFO L294 olderBase$Statistics]: this new event has 105 ancestors and is cut-off event [2023-11-26 11:44:24,719 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-11-26 11:44:24,719 INFO L297 olderBase$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-11-26 11:44:24,719 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:25,417 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1185] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [Black: 352#true, 41#L713-1true, 349#true, 273#L734-5true, 311#L726-1true, 214#L728true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 96#L703true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:25,417 INFO L294 olderBase$Statistics]: this new event has 106 ancestors and is cut-off event [2023-11-26 11:44:25,417 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:25,418 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2023-11-26 11:44:25,418 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2023-11-26 11:44:26,028 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1185] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [Black: 352#true, 41#L713-1true, 349#true, 273#L734-5true, 311#L726-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 96#L703true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse, 258#L728-1true]) [2023-11-26 11:44:26,029 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2023-11-26 11:44:26,029 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:26,029 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:26,029 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-26 11:44:26,177 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1269] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [132#L726-1true, Black: 352#true, 349#true, 84#L728true, 239#L703true, 273#L734-5true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), 129#L713-2true, thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:26,178 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2023-11-26 11:44:26,178 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:26,178 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-26 11:44:26,178 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-26 11:44:26,915 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1269] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [132#L726-1true, Black: 352#true, 349#true, 273#L734-5true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 96#L703true, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), 129#L713-2true, thr1Thread4of4ForFork0InUse, 258#L728-1true]) [2023-11-26 11:44:26,915 INFO L294 olderBase$Statistics]: this new event has 108 ancestors and is cut-off event [2023-11-26 11:44:26,915 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:26,915 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:26,915 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:27,046 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1269] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][270], [132#L726-1true, Black: 352#true, 349#true, 239#L703true, 155#L728-1true, 273#L734-5true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), 129#L713-2true, thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:27,047 INFO L294 olderBase$Statistics]: this new event has 108 ancestors and is cut-off event [2023-11-26 11:44:27,047 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:27,047 INFO L297 olderBase$Statistics]: existing Event has 108 ancestors and is cut-off event [2023-11-26 11:44:27,047 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-26 11:44:37,289 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1185] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][231], [Black: 352#true, 41#L713-1true, 349#true, 273#L734-5true, 311#L726-1true, 214#L728true, thr1Thread1of4ForFork0InUse, 282#L726-1true, thr1Thread2of4ForFork0InUse, 354#(= |#race~now_serving~0| 0), thr1Thread3of4ForFork0InUse, 360#(= |#race~c~0| 0), thr1Thread4of4ForFork0InUse]) [2023-11-26 11:44:37,289 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-26 11:44:37,289 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-26 11:44:37,289 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2023-11-26 11:44:37,290 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event