./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 03:10:57,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:10:57,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:10:57,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:10:57,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:10:57,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:10:57,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:10:57,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:10:57,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:10:57,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:10:57,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:10:57,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:10:57,574 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:10:57,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:10:57,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:10:57,577 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:10:57,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:10:57,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:10:57,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:10:57,577 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:10:57,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:10:57,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:10:57,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:57,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:10:57,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:57,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:10:57,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:57,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:10:57,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:57,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:10:57,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:10:57,580 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:10:57,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:10:57,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:10:57,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:10:57,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:10:57,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:10:57,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:10:57,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:10:57,581 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:10:57,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:10:57,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:10:57,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:10:58,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:10:58,002 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:10:58,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-28 03:11:01,272 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/data/17288a83c/c0c1632e40f14b66a6614281452592cc/FLAG229186e64 [2024-11-28 03:11:01,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:11:01,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-28 03:11:01,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/data/17288a83c/c0c1632e40f14b66a6614281452592cc/FLAG229186e64 [2024-11-28 03:11:01,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/data/17288a83c/c0c1632e40f14b66a6614281452592cc [2024-11-28 03:11:01,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:11:01,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:11:01,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:11:01,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:11:01,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:11:01,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:01" (1/1) ... [2024-11-28 03:11:01,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01, skipping insertion in model container [2024-11-28 03:11:01,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:01" (1/1) ... [2024-11-28 03:11:01,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:11:02,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:11:02,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:11:02,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:11:02,281 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:11:02,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02 WrapperNode [2024-11-28 03:11:02,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:11:02,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:11:02,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:11:02,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:11:02,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,356 INFO L138 Inliner]: procedures = 171, calls = 14, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 99 [2024-11-28 03:11:02,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:11:02,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:11:02,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:11:02,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:11:02,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:11:02,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:11:02,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:11:02,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:11:02,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (1/1) ... [2024-11-28 03:11:02,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:02,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:02,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebfd1788-977b-4bfb-b6d9-778f834be0d2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:11:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-28 03:11:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-28 03:11:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:11:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:11:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:11:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:11:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:11:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:11:02,482 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:11:02,652 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:11:02,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:11:02,992 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:11:02,993 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:11:03,162 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:11:03,162 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:11:03,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:03 BoogieIcfgContainer [2024-11-28 03:11:03,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:11:03,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:11:03,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:11:03,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:11:03,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:11:01" (1/3) ... [2024-11-28 03:11:03,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5540244f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:03, skipping insertion in model container [2024-11-28 03:11:03,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:02" (2/3) ... [2024-11-28 03:11:03,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5540244f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:03, skipping insertion in model container [2024-11-28 03:11:03,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:03" (3/3) ... [2024-11-28 03:11:03,177 INFO L128 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2024-11-28 03:11:03,196 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:11:03,198 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06_ticket.i that has 2 procedures, 98 locations, 1 initial locations, 2 loop locations, and 13 error locations. [2024-11-28 03:11:03,198 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:11:03,312 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:11:03,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 106 transitions, 216 flow [2024-11-28 03:11:03,440 INFO L124 PetriNetUnfolderBase]: 9/114 cut-off events. [2024-11-28 03:11:03,446 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:11:03,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 114 events. 9/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 122 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 92. Up to 4 conditions per place. [2024-11-28 03:11:03,460 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 106 transitions, 216 flow [2024-11-28 03:11:03,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 106 transitions, 216 flow [2024-11-28 03:11:03,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:11:03,502 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66c89286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:11:03,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-28 03:11:03,526 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:11:03,529 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 03:11:03,529 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:11:03,529 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:03,530 INFO L206 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] [2024-11-28 03:11:03,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-28 03:11:03,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:03,541 INFO L85 PathProgramCache]: Analyzing trace with hash -13533862, now seen corresponding path program 1 times [2024-11-28 03:11:03,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:03,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858893931] [2024-11-28 03:11:03,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:03,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:03,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:03,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858893931] [2024-11-28 03:11:03,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858893931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:03,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:03,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:11:03,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356250353] [2024-11-28 03:11:03,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:03,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:11:03,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:03,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:11:03,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:03,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 106 [2024-11-28 03:11:03,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 106 transitions, 216 flow. Second operand has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:03,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:03,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 106 [2024-11-28 03:11:03,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:03,856 INFO L124 PetriNetUnfolderBase]: 2/92 cut-off events. [2024-11-28 03:11:03,857 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:11:03,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 92 events. 2/92 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 7/87 useless extension candidates. Maximal degree in co-relation 76. Up to 3 conditions per place. [2024-11-28 03:11:03,860 INFO L140 encePairwiseOnDemand]: 94/106 looper letters, 2 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2024-11-28 03:11:03,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 89 transitions, 186 flow [2024-11-28 03:11:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:11:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:11:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions. [2024-11-28 03:11:03,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2024-11-28 03:11:03,908 INFO L175 Difference]: Start difference. First operand has 101 places, 106 transitions, 216 flow. Second operand 2 states and 196 transitions. [2024-11-28 03:11:03,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 89 transitions, 186 flow [2024-11-28 03:11:03,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 89 transitions, 186 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:11:03,921 INFO L231 Difference]: Finished difference. Result has 91 places, 89 transitions, 182 flow [2024-11-28 03:11:03,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=91, PETRI_TRANSITIONS=89} [2024-11-28 03:11:03,931 INFO L279 CegarLoopForPetriNet]: 101 programPoint places, -10 predicate places. [2024-11-28 03:11:03,931 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 89 transitions, 182 flow [2024-11-28 03:11:03,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:03,932 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:03,932 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:03,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:11:03,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-28 03:11:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1281494514, now seen corresponding path program 1 times [2024-11-28 03:11:03,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:03,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673932338] [2024-11-28 03:11:03,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:03,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:11:03,983 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:11:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:11:04,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:11:04,038 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:11:04,042 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2024-11-28 03:11:04,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-28 03:11:04,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-28 03:11:04,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-28 03:11:04,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-28 03:11:04,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-28 03:11:04,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-28 03:11:04,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-28 03:11:04,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-28 03:11:04,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-28 03:11:04,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-28 03:11:04,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-28 03:11:04,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-28 03:11:04,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-28 03:11:04,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:11:04,055 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:11:04,059 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 03:11:04,060 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 03:11:04,116 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:11:04,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 189 transitions, 388 flow [2024-11-28 03:11:04,214 INFO L124 PetriNetUnfolderBase]: 17/207 cut-off events. [2024-11-28 03:11:04,214 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:11:04,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 207 events. 17/207 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 441 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 174. Up to 6 conditions per place. [2024-11-28 03:11:04,221 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 189 transitions, 388 flow [2024-11-28 03:11:04,227 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 189 transitions, 388 flow [2024-11-28 03:11:04,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:11:04,232 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66c89286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:11:04,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-28 03:11:04,246 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:11:04,246 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 03:11:04,246 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:11:04,247 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:04,247 INFO L206 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] [2024-11-28 03:11:04,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 03:11:04,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:04,251 INFO L85 PathProgramCache]: Analyzing trace with hash -722234676, now seen corresponding path program 1 times [2024-11-28 03:11:04,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:04,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716185315] [2024-11-28 03:11:04,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:04,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:04,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716185315] [2024-11-28 03:11:04,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716185315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:04,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:04,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:11:04,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898973591] [2024-11-28 03:11:04,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:04,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:11:04,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:04,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:11:04,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:04,341 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 189 [2024-11-28 03:11:04,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 189 transitions, 388 flow. Second operand has 2 states, 2 states have (on average 162.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:04,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:04,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 189 [2024-11-28 03:11:04,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:04,452 INFO L124 PetriNetUnfolderBase]: 10/300 cut-off events. [2024-11-28 03:11:04,452 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 03:11:04,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 300 events. 10/300 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1018 event pairs, 2 based on Foata normal form. 23/275 useless extension candidates. Maximal degree in co-relation 215. Up to 9 conditions per place. [2024-11-28 03:11:04,461 INFO L140 encePairwiseOnDemand]: 167/189 looper letters, 4 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2024-11-28 03:11:04,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 160 transitions, 338 flow [2024-11-28 03:11:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:11:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:11:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 348 transitions. [2024-11-28 03:11:04,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9206349206349206 [2024-11-28 03:11:04,469 INFO L175 Difference]: Start difference. First operand has 179 places, 189 transitions, 388 flow. Second operand 2 states and 348 transitions. [2024-11-28 03:11:04,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 160 transitions, 338 flow [2024-11-28 03:11:04,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 160 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:11:04,478 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 330 flow [2024-11-28 03:11:04,479 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=330, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-28 03:11:04,480 INFO L279 CegarLoopForPetriNet]: 179 programPoint places, -17 predicate places. [2024-11-28 03:11:04,480 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 330 flow [2024-11-28 03:11:04,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 162.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:04,481 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:04,481 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:04,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:11:04,481 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 03:11:04,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:04,483 INFO L85 PathProgramCache]: Analyzing trace with hash 372675485, now seen corresponding path program 1 times [2024-11-28 03:11:04,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:04,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78234678] [2024-11-28 03:11:04,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:04,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:11:04,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:11:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:11:04,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:11:04,553 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-28 03:11:04,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-28 03:11:04,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-28 03:11:04,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-28 03:11:04,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-28 03:11:04,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-28 03:11:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-28 03:11:04,559 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-28 03:11:04,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-28 03:11:04,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-28 03:11:04,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-28 03:11:04,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-28 03:11:04,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-28 03:11:04,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-28 03:11:04,565 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-28 03:11:04,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:11:04,566 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:11:04,567 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 03:11:04,567 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-28 03:11:04,658 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:11:04,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 272 transitions, 562 flow [2024-11-28 03:11:04,772 INFO L124 PetriNetUnfolderBase]: 25/300 cut-off events. [2024-11-28 03:11:04,773 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 03:11:04,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 300 events. 25/300 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 916 event pairs, 0 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 256. Up to 8 conditions per place. [2024-11-28 03:11:04,779 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 272 transitions, 562 flow [2024-11-28 03:11:04,788 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 272 transitions, 562 flow [2024-11-28 03:11:04,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:11:04,792 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66c89286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:11:04,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-28 03:11:04,798 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:11:04,799 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 03:11:04,799 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:11:04,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:04,799 INFO L206 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] [2024-11-28 03:11:04,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-28 03:11:04,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:04,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1128758370, now seen corresponding path program 1 times [2024-11-28 03:11:04,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:04,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394647031] [2024-11-28 03:11:04,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:04,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:04,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394647031] [2024-11-28 03:11:04,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394647031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:04,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:04,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:11:04,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652965337] [2024-11-28 03:11:04,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:04,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:11:04,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:04,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:11:04,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:04,852 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 272 [2024-11-28 03:11:04,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 272 transitions, 562 flow. Second operand has 2 states, 2 states have (on average 232.0) internal successors, (464), 2 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:04,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:04,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 272 [2024-11-28 03:11:04,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:05,077 INFO L124 PetriNetUnfolderBase]: 32/774 cut-off events. [2024-11-28 03:11:05,077 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-28 03:11:05,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 774 events. 32/774 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4694 event pairs, 10 based on Foata normal form. 61/703 useless extension candidates. Maximal degree in co-relation 492. Up to 25 conditions per place. [2024-11-28 03:11:05,091 INFO L140 encePairwiseOnDemand]: 240/272 looper letters, 6 selfloop transitions, 0 changer transitions 0/231 dead transitions. [2024-11-28 03:11:05,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 231 transitions, 492 flow [2024-11-28 03:11:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:11:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:11:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 500 transitions. [2024-11-28 03:11:05,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9191176470588235 [2024-11-28 03:11:05,095 INFO L175 Difference]: Start difference. First operand has 257 places, 272 transitions, 562 flow. Second operand 2 states and 500 transitions. [2024-11-28 03:11:05,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 231 transitions, 492 flow [2024-11-28 03:11:05,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 231 transitions, 490 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-28 03:11:05,107 INFO L231 Difference]: Finished difference. Result has 233 places, 231 transitions, 478 flow [2024-11-28 03:11:05,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=478, PETRI_PLACES=233, PETRI_TRANSITIONS=231} [2024-11-28 03:11:05,110 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -24 predicate places. [2024-11-28 03:11:05,111 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 231 transitions, 478 flow [2024-11-28 03:11:05,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 232.0) internal successors, (464), 2 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:05,111 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:05,111 INFO L206 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] [2024-11-28 03:11:05,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:11:05,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-28 03:11:05,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash -397915861, now seen corresponding path program 1 times [2024-11-28 03:11:05,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898550617] [2024-11-28 03:11:05,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:05,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898550617] [2024-11-28 03:11:05,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898550617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:05,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:05,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:05,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816849648] [2024-11-28 03:11:05,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:05,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:05,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:05,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:05,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:05,327 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 272 [2024-11-28 03:11:05,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 231 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:05,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:05,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 272 [2024-11-28 03:11:05,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:07,149 INFO L124 PetriNetUnfolderBase]: 1088/6875 cut-off events. [2024-11-28 03:11:07,150 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2024-11-28 03:11:07,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8744 conditions, 6875 events. 1088/6875 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 68859 event pairs, 439 based on Foata normal form. 0/5802 useless extension candidates. Maximal degree in co-relation 8738. Up to 1297 conditions per place. [2024-11-28 03:11:07,257 INFO L140 encePairwiseOnDemand]: 248/272 looper letters, 29 selfloop transitions, 18 changer transitions 0/251 dead transitions. [2024-11-28 03:11:07,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 251 transitions, 622 flow [2024-11-28 03:11:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:11:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:11:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 683 transitions. [2024-11-28 03:11:07,262 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8370098039215687 [2024-11-28 03:11:07,262 INFO L175 Difference]: Start difference. First operand has 233 places, 231 transitions, 478 flow. Second operand 3 states and 683 transitions. [2024-11-28 03:11:07,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 251 transitions, 622 flow [2024-11-28 03:11:07,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 251 transitions, 622 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:11:07,272 INFO L231 Difference]: Finished difference. Result has 237 places, 249 transitions, 634 flow [2024-11-28 03:11:07,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=237, PETRI_TRANSITIONS=249} [2024-11-28 03:11:07,276 INFO L279 CegarLoopForPetriNet]: 257 programPoint places, -20 predicate places. [2024-11-28 03:11:07,276 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 249 transitions, 634 flow [2024-11-28 03:11:07,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:07,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:07,278 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:07,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:11:07,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-28 03:11:07,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:07,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1833822351, now seen corresponding path program 1 times [2024-11-28 03:11:07,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:07,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076524191] [2024-11-28 03:11:07,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:11:07,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:11:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:11:07,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:11:07,353 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:11:07,353 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-28 03:11:07,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-28 03:11:07,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-28 03:11:07,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-28 03:11:07,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-28 03:11:07,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-28 03:11:07,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-28 03:11:07,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-28 03:11:07,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-28 03:11:07,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-28 03:11:07,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-28 03:11:07,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-28 03:11:07,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-28 03:11:07,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-28 03:11:07,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-28 03:11:07,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-28 03:11:07,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-28 03:11:07,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-28 03:11:07,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-28 03:11:07,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-28 03:11:07,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-28 03:11:07,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-28 03:11:07,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-28 03:11:07,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-28 03:11:07,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-28 03:11:07,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-28 03:11:07,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-28 03:11:07,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-28 03:11:07,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-28 03:11:07,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-28 03:11:07,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-28 03:11:07,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-28 03:11:07,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-28 03:11:07,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-28 03:11:07,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-28 03:11:07,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-28 03:11:07,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-28 03:11:07,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-28 03:11:07,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-28 03:11:07,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-28 03:11:07,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-28 03:11:07,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-28 03:11:07,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-28 03:11:07,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-28 03:11:07,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-28 03:11:07,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-28 03:11:07,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-28 03:11:07,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:11:07,366 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:11:07,367 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 03:11:07,367 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-28 03:11:07,480 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:11:07,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 355 transitions, 738 flow [2024-11-28 03:11:07,639 INFO L124 PetriNetUnfolderBase]: 33/393 cut-off events. [2024-11-28 03:11:07,640 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 03:11:07,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 393 events. 33/393 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1435 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 338. Up to 10 conditions per place. [2024-11-28 03:11:07,647 INFO L82 GeneralOperation]: Start removeDead. Operand has 335 places, 355 transitions, 738 flow [2024-11-28 03:11:07,660 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 355 transitions, 738 flow [2024-11-28 03:11:07,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:11:07,662 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66c89286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:11:07,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2024-11-28 03:11:07,669 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:11:07,670 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 03:11:07,670 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:11:07,670 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:07,670 INFO L206 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] [2024-11-28 03:11:07,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-28 03:11:07,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:07,671 INFO L85 PathProgramCache]: Analyzing trace with hash -676385456, now seen corresponding path program 1 times [2024-11-28 03:11:07,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:07,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964910410] [2024-11-28 03:11:07,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:07,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:07,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964910410] [2024-11-28 03:11:07,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964910410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:07,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:07,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:11:07,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145525611] [2024-11-28 03:11:07,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:07,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:11:07,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:07,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:11:07,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:07,773 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 355 [2024-11-28 03:11:07,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 355 transitions, 738 flow. Second operand has 2 states, 2 states have (on average 302.0) internal successors, (604), 2 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:07,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:07,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 355 [2024-11-28 03:11:07,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:08,233 INFO L124 PetriNetUnfolderBase]: 86/1784 cut-off events. [2024-11-28 03:11:08,233 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2024-11-28 03:11:08,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1918 conditions, 1784 events. 86/1784 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 14780 event pairs, 34 based on Foata normal form. 151/1623 useless extension candidates. Maximal degree in co-relation 1049. Up to 65 conditions per place. [2024-11-28 03:11:08,277 INFO L140 encePairwiseOnDemand]: 313/355 looper letters, 8 selfloop transitions, 0 changer transitions 0/302 dead transitions. [2024-11-28 03:11:08,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 648 flow [2024-11-28 03:11:08,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:11:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:11:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 652 transitions. [2024-11-28 03:11:08,281 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9183098591549296 [2024-11-28 03:11:08,282 INFO L175 Difference]: Start difference. First operand has 335 places, 355 transitions, 738 flow. Second operand 2 states and 652 transitions. [2024-11-28 03:11:08,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 648 flow [2024-11-28 03:11:08,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 302 transitions, 642 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-28 03:11:08,292 INFO L231 Difference]: Finished difference. Result has 304 places, 302 transitions, 626 flow [2024-11-28 03:11:08,293 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=626, PETRI_PLACES=304, PETRI_TRANSITIONS=302} [2024-11-28 03:11:08,297 INFO L279 CegarLoopForPetriNet]: 335 programPoint places, -31 predicate places. [2024-11-28 03:11:08,297 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 302 transitions, 626 flow [2024-11-28 03:11:08,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 302.0) internal successors, (604), 2 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:08,299 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:08,299 INFO L206 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] [2024-11-28 03:11:08,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:11:08,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-28 03:11:08,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:08,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1794045091, now seen corresponding path program 1 times [2024-11-28 03:11:08,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:08,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080495838] [2024-11-28 03:11:08,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:08,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:08,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:08,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080495838] [2024-11-28 03:11:08,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080495838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:08,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:08,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:08,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761267611] [2024-11-28 03:11:08,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:08,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:08,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:08,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:08,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:08,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 355 [2024-11-28 03:11:08,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 302 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:08,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:08,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 355 [2024-11-28 03:11:08,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:20,605 INFO L124 PetriNetUnfolderBase]: 15440/65818 cut-off events. [2024-11-28 03:11:20,606 INFO L125 PetriNetUnfolderBase]: For 2056/2056 co-relation queries the response was YES. [2024-11-28 03:11:21,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88938 conditions, 65818 events. 15440/65818 cut-off events. For 2056/2056 co-relation queries the response was YES. Maximal size of possible extension queue 1205. Compared 922954 event pairs, 6393 based on Foata normal form. 0/55404 useless extension candidates. Maximal degree in co-relation 88931. Up to 16154 conditions per place. [2024-11-28 03:11:21,762 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 39 selfloop transitions, 24 changer transitions 0/329 dead transitions. [2024-11-28 03:11:21,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 329 transitions, 821 flow [2024-11-28 03:11:21,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:11:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:11:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2024-11-28 03:11:21,769 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8356807511737089 [2024-11-28 03:11:21,770 INFO L175 Difference]: Start difference. First operand has 304 places, 302 transitions, 626 flow. Second operand 3 states and 890 transitions. [2024-11-28 03:11:21,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 329 transitions, 821 flow [2024-11-28 03:11:21,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 329 transitions, 821 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:11:21,781 INFO L231 Difference]: Finished difference. Result has 308 places, 326 transitions, 834 flow [2024-11-28 03:11:21,781 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=308, PETRI_TRANSITIONS=326} [2024-11-28 03:11:21,782 INFO L279 CegarLoopForPetriNet]: 335 programPoint places, -27 predicate places. [2024-11-28 03:11:21,782 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 326 transitions, 834 flow [2024-11-28 03:11:21,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:21,783 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:11:21,783 INFO L206 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] [2024-11-28 03:11:21,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:11:21,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-28 03:11:21,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:21,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1193770143, now seen corresponding path program 1 times [2024-11-28 03:11:21,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:21,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422682404] [2024-11-28 03:11:21,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:11:21,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:21,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422682404] [2024-11-28 03:11:21,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422682404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:21,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:21,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:21,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962262013] [2024-11-28 03:11:21,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:21,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:21,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:21,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:21,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:22,023 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 355 [2024-11-28 03:11:22,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 326 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:11:22,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:11:22,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 355 [2024-11-28 03:11:22,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:11:27,466 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1129] L693-->L703: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (not .cse0) (= .cse1 v_~next_ticket~0_63) (= v_~next_ticket~0_64 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and .cse0 (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63))))) (= |v_#race~now_serving~0_29| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][142], [338#true, 336#true, 41#L713-1true, 276#L713true, 209#L728true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 98#L703true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:27,466 INFO L294 olderBase$Statistics]: this new event has 96 ancestors and is cut-off event [2024-11-28 03:11:27,467 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2024-11-28 03:11:27,467 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-28 03:11:27,467 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,064 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1211] 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, 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|, ~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|, #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][180], [338#true, 336#true, 276#L713true, 109#L703true, 209#L728true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 330#true, 313#L713-1true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:28,064 INFO L294 olderBase$Statistics]: this new event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,064 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,064 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,064 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2024-11-28 03:11:28,335 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1293] L693-->L703: Formula: (and (= |v_#race~now_serving~0_29| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0 (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63)) (and (= v_~next_ticket~0_64 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (not .cse0) (= .cse1 v_~next_ticket~0_63)))))) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, ~next_ticket~0=v_~next_ticket~0_63, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, #race~now_serving~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][106], [338#true, 336#true, 233#L703true, 41#L713-1true, 213#L713true, 84#L728true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:28,335 INFO L294 olderBase$Statistics]: this new event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,335 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,335 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2024-11-28 03:11:28,335 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2024-11-28 03:11:28,504 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1211] 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, 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|, ~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|, #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][180], [338#true, 336#true, 276#L713true, 109#L703true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 250#L728-1true, 330#true, 313#L713-1true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:28,504 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,504 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,504 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,504 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:28,529 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1129] L693-->L703: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_64 1) 4294967296) 3))) (let ((.cse0 (= .cse1 (mod v_~now_serving~0_22 4294967296)))) (or (and (not .cse0) (= .cse1 v_~next_ticket~0_63) (= v_~next_ticket~0_64 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and .cse0 (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_99| 0) (= v_~next_ticket~0_64 v_~next_ticket~0_63))))) (= |v_#race~now_serving~0_29| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_64, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, #race~now_serving~0=|v_#race~now_serving~0_29|, ~next_ticket~0=v_~next_ticket~0_63, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~next_ticket~0=|v_#race~next_ticket~0_99|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][142], [338#true, 336#true, 41#L713-1true, 276#L713true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 250#L728-1true, 98#L703true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:28,529 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,530 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,530 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:28,530 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,890 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1293] 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, #race~now_serving~0=|v_#race~now_serving~0_29|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, ~next_ticket~0=v_~next_ticket~0_63, #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, #race~now_serving~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][106], [338#true, 336#true, 233#L703true, 41#L713-1true, 213#L713true, 153#L728-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:28,890 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,890 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2024-11-28 03:11:28,890 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:28,890 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2024-11-28 03:11:29,630 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][256], [338#true, 336#true, 233#L703true, 131#L726-1true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 67#L727-2true, 330#true, 313#L713-1true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:29,631 INFO L294 olderBase$Statistics]: this new event has 98 ancestors and is cut-off event [2024-11-28 03:11:29,631 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2024-11-28 03:11:29,631 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2024-11-28 03:11:29,631 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 03:11:29,975 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1148] 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][219], [338#true, 336#true, 44#L713true, 300#L726-1true, 209#L728true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 96#L703true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:29,975 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2024-11-28 03:11:29,975 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2024-11-28 03:11:29,976 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2024-11-28 03:11:29,976 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2024-11-28 03:11:30,421 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1148] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][219], [338#true, 336#true, 44#L713true, 300#L726-1true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 250#L728-1true, 96#L703true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:30,421 INFO L294 olderBase$Statistics]: this new event has 100 ancestors and is cut-off event [2024-11-28 03:11:30,421 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-28 03:11:30,421 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:30,421 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:30,507 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] 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][256], [338#true, 336#true, 233#L703true, 131#L726-1true, 84#L728true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 330#true, 313#L713-1true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:30,507 INFO L294 olderBase$Statistics]: this new event has 100 ancestors and is cut-off event [2024-11-28 03:11:30,507 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-28 03:11:30,507 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:30,507 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2024-11-28 03:11:31,149 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][256], [338#true, 336#true, 131#L726-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 250#L728-1true, 96#L703true, 330#true, 313#L713-1true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:31,150 INFO L294 olderBase$Statistics]: this new event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,150 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,150 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,150 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,240 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] 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][256], [338#true, 336#true, 233#L703true, 131#L726-1true, 153#L728-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 330#true, 313#L713-1true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:31,240 INFO L294 olderBase$Statistics]: this new event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,240 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,240 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 03:11:31,240 INFO L297 olderBase$Statistics]: existing Event has 104 ancestors and is cut-off event [2024-11-28 03:11:39,171 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1148] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][219], [338#true, 336#true, 44#L713true, 274#L726-1true, 300#L726-1true, 209#L728true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:39,171 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-28 03:11:39,171 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-28 03:11:39,171 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-28 03:11:39,171 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-28 03:11:40,680 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1148] 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][219], [338#true, 336#true, 44#L713true, 300#L726-1true, 209#L728true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 28#L726-2true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:40,680 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-28 03:11:40,680 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-28 03:11:40,681 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-28 03:11:40,681 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-28 03:11:40,709 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1148] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][219], [338#true, 336#true, 44#L713true, 274#L726-1true, 300#L726-1true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 250#L728-1true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:40,709 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-28 03:11:40,710 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-28 03:11:40,710 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-28 03:11:40,710 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-28 03:11:42,268 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1148] 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][219], [338#true, 336#true, 44#L713true, 300#L726-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 250#L728-1true, 28#L726-2true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:42,268 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2024-11-28 03:11:42,268 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:42,268 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-28 03:11:42,268 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:42,290 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][256], [338#true, 336#true, 131#L726-1true, 274#L726-1true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 250#L728-1true, 313#L713-1true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:42,290 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2024-11-28 03:11:42,291 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:42,291 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:42,291 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:43,255 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] 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][256], [338#true, 336#true, 131#L726-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 250#L728-1true, 28#L726-2true, 313#L713-1true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:43,255 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2024-11-28 03:11:43,255 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-28 03:11:43,255 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-28 03:11:43,255 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-28 03:11:43,975 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][256], [338#true, 336#true, 190#L726-1true, 213#L713true, 131#L726-1true, 153#L728-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:43,975 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2024-11-28 03:11:43,975 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-28 03:11:43,975 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-28 03:11:43,975 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-28 03:11:44,412 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] 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][256], [338#true, 336#true, 190#L726-1true, 131#L726-1true, 153#L728-1true, 265#L734-5true, 347#(= |#race~c~0| 0), 334#true, 332#true, Black: 340#true, 313#L713-1true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:44,412 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-28 03:11:44,412 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:44,412 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:44,412 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-28 03:11:44,890 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L726-->L726-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][256], [72#L726-2true, 338#true, 336#true, 213#L713true, 131#L726-1true, 153#L728-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:44,891 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-28 03:11:44,891 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:44,891 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-28 03:11:44,891 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-28 03:11:45,968 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1230] 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][256], [72#L726-2true, 338#true, 336#true, 131#L726-1true, 153#L728-1true, 265#L734-5true, 334#true, 347#(= |#race~c~0| 0), 332#true, Black: 340#true, 313#L713-1true, 330#true, 342#(= |#race~now_serving~0| 0)]) [2024-11-28 03:11:45,968 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2024-11-28 03:11:45,968 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-28 03:11:45,968 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-28 03:11:45,968 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event