./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e4eda3d9731a5d805cffabe3eaaa057ba5ed6235ab584548c3730cf4f9dedf3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:58:46,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:58:46,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:58:46,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:58:46,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:58:46,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:58:46,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:58:46,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:58:46,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:58:46,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:58:46,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:58:46,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:58:46,638 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:58:46,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:58:46,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:58:46,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:58:46,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:58:46,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:58:46,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:58:46,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:58:46,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:58:46,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:58:46,643 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:58:46,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:58:46,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:58:46,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:58:46,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:58:46,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:58:46,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:58:46,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:58:46,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:58:46,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:58:46,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:58:46,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:58:46,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:58:46,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:58:46,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:58:46,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:58:46,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:58:46,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:58:46,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:58:46,649 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e4eda3d9731a5d805cffabe3eaaa057ba5ed6235ab584548c3730cf4f9dedf3 [2023-11-29 02:58:46,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:58:46,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:58:46,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:58:46,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:58:46,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:58:46,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-ext/40_barrier_vf-b.i [2023-11-29 02:58:49,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:58:49,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:58:49,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/sv-benchmarks/c/pthread-ext/40_barrier_vf-b.i [2023-11-29 02:58:49,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/data/6ad6d72e8/11868c278e874036b8c3b02b743f544e/FLAG0634ff182 [2023-11-29 02:58:49,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/data/6ad6d72e8/11868c278e874036b8c3b02b743f544e [2023-11-29 02:58:49,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:58:49,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:58:49,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:58:49,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:58:49,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:58:49,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:58:49" (1/1) ... [2023-11-29 02:58:49,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd2256e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:49, skipping insertion in model container [2023-11-29 02:58:49,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:58:49" (1/1) ... [2023-11-29 02:58:49,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:58:50,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:58:50,176 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:58:50,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:58:50,255 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:58:50,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50 WrapperNode [2023-11-29 02:58:50,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:58:50,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:58:50,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:58:50,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:58:50,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,303 INFO L138 Inliner]: procedures = 170, calls = 19, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 120 [2023-11-29 02:58:50,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:58:50,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:58:50,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:58:50,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:58:50,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:58:50,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:58:50,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:58:50,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:58:50,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (1/1) ... [2023-11-29 02:58:50,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:58:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:58:50,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:58:50,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89723b61-8b33-45f6-bf8b-15ef2c508138/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:58:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-29 02:58:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-29 02:58:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:58:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:58:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:58:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:58:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:58:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:58:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:58:50,412 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:58:50,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:58:50,530 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:58:50,722 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:58:50,809 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:58:50,810 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:58:50,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:58:50 BoogieIcfgContainer [2023-11-29 02:58:50,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:58:50,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:58:50,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:58:50,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:58:50,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:58:49" (1/3) ... [2023-11-29 02:58:50,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2170d179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:58:50, skipping insertion in model container [2023-11-29 02:58:50,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:50" (2/3) ... [2023-11-29 02:58:50,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2170d179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:58:50, skipping insertion in model container [2023-11-29 02:58:50,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:58:50" (3/3) ... [2023-11-29 02:58:50,819 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf-b.i [2023-11-29 02:58:50,828 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:58:50,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:58:50,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-11-29 02:58:50,838 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:58:50,883 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 02:58:50,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 97 transitions, 198 flow [2023-11-29 02:58:50,963 INFO L124 PetriNetUnfolderBase]: 6/108 cut-off events. [2023-11-29 02:58:50,963 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:58:50,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 108 events. 6/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 158 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 83. Up to 4 conditions per place. [2023-11-29 02:58:50,969 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 97 transitions, 198 flow [2023-11-29 02:58:50,974 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 97 transitions, 198 flow [2023-11-29 02:58:50,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:58:50,989 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48b703f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:58:50,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-11-29 02:58:50,998 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:58:50,998 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2023-11-29 02:58:50,998 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:58:50,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:50,999 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:51,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 02:58:51,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:51,005 INFO L85 PathProgramCache]: Analyzing trace with hash 710235110, now seen corresponding path program 1 times [2023-11-29 02:58:51,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:51,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624469064] [2023-11-29 02:58:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:51,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:51,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:51,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624469064] [2023-11-29 02:58:51,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624469064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:51,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:51,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:58:51,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666273102] [2023-11-29 02:58:51,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:51,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:58:51,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:58:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:58:51,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2023-11-29 02:58:51,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 97 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:51,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2023-11-29 02:58:51,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:51,268 INFO L124 PetriNetUnfolderBase]: 1/77 cut-off events. [2023-11-29 02:58:51,268 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 02:58:51,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 77 events. 1/77 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 9/77 useless extension candidates. Maximal degree in co-relation 63. Up to 6 conditions per place. [2023-11-29 02:58:51,270 INFO L140 encePairwiseOnDemand]: 83/97 looper letters, 5 selfloop transitions, 0 changer transitions 0/73 dead transitions. [2023-11-29 02:58:51,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 73 transitions, 160 flow [2023-11-29 02:58:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:58:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 02:58:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 173 transitions. [2023-11-29 02:58:51,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8917525773195877 [2023-11-29 02:58:51,285 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 173 transitions. [2023-11-29 02:58:51,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 173 transitions. [2023-11-29 02:58:51,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:51,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 173 transitions. [2023-11-29 02:58:51,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 86.5) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,296 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,298 INFO L175 Difference]: Start difference. First operand has 95 places, 97 transitions, 198 flow. Second operand 2 states and 173 transitions. [2023-11-29 02:58:51,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 73 transitions, 160 flow [2023-11-29 02:58:51,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 160 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:51,304 INFO L231 Difference]: Finished difference. Result has 76 places, 73 transitions, 150 flow [2023-11-29 02:58:51,307 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=150, PETRI_PLACES=76, PETRI_TRANSITIONS=73} [2023-11-29 02:58:51,310 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -19 predicate places. [2023-11-29 02:58:51,310 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 150 flow [2023-11-29 02:58:51,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,311 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:51,311 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:51,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:58:51,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 02:58:51,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:51,313 INFO L85 PathProgramCache]: Analyzing trace with hash -363845079, now seen corresponding path program 1 times [2023-11-29 02:58:51,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:51,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320743118] [2023-11-29 02:58:51,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:51,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:51,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:51,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320743118] [2023-11-29 02:58:51,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320743118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:51,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:51,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267608129] [2023-11-29 02:58:51,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:51,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:51,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:51,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:51,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 97 [2023-11-29 02:58:51,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:51,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 97 [2023-11-29 02:58:51,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:51,451 INFO L124 PetriNetUnfolderBase]: 0/79 cut-off events. [2023-11-29 02:58:51,451 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 02:58:51,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 79 events. 0/79 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2023-11-29 02:58:51,452 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 8 selfloop transitions, 4 changer transitions 0/72 dead transitions. [2023-11-29 02:58:51,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 72 transitions, 172 flow [2023-11-29 02:58:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2023-11-29 02:58:51,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7594501718213058 [2023-11-29 02:58:51,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 221 transitions. [2023-11-29 02:58:51,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 221 transitions. [2023-11-29 02:58:51,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:51,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 221 transitions. [2023-11-29 02:58:51,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,461 INFO L175 Difference]: Start difference. First operand has 76 places, 73 transitions, 150 flow. Second operand 3 states and 221 transitions. [2023-11-29 02:58:51,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 72 transitions, 172 flow [2023-11-29 02:58:51,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 72 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:51,464 INFO L231 Difference]: Finished difference. Result has 76 places, 71 transitions, 154 flow [2023-11-29 02:58:51,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2023-11-29 02:58:51,465 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -19 predicate places. [2023-11-29 02:58:51,466 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 154 flow [2023-11-29 02:58:51,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:51,466 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:51,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:58:51,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 02:58:51,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1802320595, now seen corresponding path program 1 times [2023-11-29 02:58:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:51,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907963189] [2023-11-29 02:58:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:58:51,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:58:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:58:51,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:58:51,535 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:58:51,536 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2023-11-29 02:58:51,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-11-29 02:58:51,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-11-29 02:58:51,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-11-29 02:58:51,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-11-29 02:58:51,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-11-29 02:58:51,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-11-29 02:58:51,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-11-29 02:58:51,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-11-29 02:58:51,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-11-29 02:58:51,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-11-29 02:58:51,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-11-29 02:58:51,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-11-29 02:58:51,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2023-11-29 02:58:51,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-11-29 02:58:51,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-11-29 02:58:51,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-11-29 02:58:51,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-11-29 02:58:51,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-11-29 02:58:51,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2023-11-29 02:58:51,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2023-11-29 02:58:51,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2023-11-29 02:58:51,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-11-29 02:58:51,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-11-29 02:58:51,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-11-29 02:58:51,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-11-29 02:58:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-11-29 02:58:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-11-29 02:58:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-11-29 02:58:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-11-29 02:58:51,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-11-29 02:58:51,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:58:51,545 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:58:51,548 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 02:58:51,548 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-29 02:58:51,583 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 02:58:51,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 168 transitions, 346 flow [2023-11-29 02:58:51,627 INFO L124 PetriNetUnfolderBase]: 11/192 cut-off events. [2023-11-29 02:58:51,627 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 02:58:51,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 192 events. 11/192 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 514 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 153. Up to 6 conditions per place. [2023-11-29 02:58:51,631 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 168 transitions, 346 flow [2023-11-29 02:58:51,634 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 168 transitions, 346 flow [2023-11-29 02:58:51,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:58:51,638 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48b703f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:58:51,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-11-29 02:58:51,642 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:58:51,643 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2023-11-29 02:58:51,643 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:58:51,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:51,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:51,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:58:51,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1036961638, now seen corresponding path program 1 times [2023-11-29 02:58:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:51,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797092522] [2023-11-29 02:58:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:51,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:51,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797092522] [2023-11-29 02:58:51,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797092522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:51,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:51,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:58:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690016803] [2023-11-29 02:58:51,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:51,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:58:51,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:51,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:58:51,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:58:51,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 168 [2023-11-29 02:58:51,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 168 transitions, 346 flow. Second operand has 2 states, 2 states have (on average 131.0) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:51,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 168 [2023-11-29 02:58:51,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:51,756 INFO L124 PetriNetUnfolderBase]: 25/364 cut-off events. [2023-11-29 02:58:51,756 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 02:58:51,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 364 events. 25/364 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1719 event pairs, 14 based on Foata normal form. 63/367 useless extension candidates. Maximal degree in co-relation 325. Up to 50 conditions per place. [2023-11-29 02:58:51,761 INFO L140 encePairwiseOnDemand]: 142/168 looper letters, 10 selfloop transitions, 0 changer transitions 0/127 dead transitions. [2023-11-29 02:58:51,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 127 transitions, 284 flow [2023-11-29 02:58:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:58:51,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 02:58:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 296 transitions. [2023-11-29 02:58:51,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2023-11-29 02:58:51,764 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 296 transitions. [2023-11-29 02:58:51,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 296 transitions. [2023-11-29 02:58:51,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:51,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 296 transitions. [2023-11-29 02:58:51,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 148.0) internal successors, (296), 2 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,769 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,769 INFO L175 Difference]: Start difference. First operand has 164 places, 168 transitions, 346 flow. Second operand 2 states and 296 transitions. [2023-11-29 02:58:51,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 127 transitions, 284 flow [2023-11-29 02:58:51,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 127 transitions, 284 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:51,773 INFO L231 Difference]: Finished difference. Result has 131 places, 127 transitions, 264 flow [2023-11-29 02:58:51,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=264, PETRI_PLACES=131, PETRI_TRANSITIONS=127} [2023-11-29 02:58:51,774 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -33 predicate places. [2023-11-29 02:58:51,774 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 127 transitions, 264 flow [2023-11-29 02:58:51,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 131.0) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:51,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:51,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:58:51,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:58:51,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:51,776 INFO L85 PathProgramCache]: Analyzing trace with hash 87743337, now seen corresponding path program 1 times [2023-11-29 02:58:51,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:51,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579675259] [2023-11-29 02:58:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:51,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:51,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:51,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579675259] [2023-11-29 02:58:51,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579675259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:51,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:51,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:51,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255136450] [2023-11-29 02:58:51,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:51,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:51,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:51,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:51,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:51,854 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 168 [2023-11-29 02:58:51,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 127 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:51,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:51,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 168 [2023-11-29 02:58:51,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:52,085 INFO L124 PetriNetUnfolderBase]: 168/1309 cut-off events. [2023-11-29 02:58:52,085 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2023-11-29 02:58:52,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1727 conditions, 1309 events. 168/1309 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 10192 event pairs, 50 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1722. Up to 243 conditions per place. [2023-11-29 02:58:52,095 INFO L140 encePairwiseOnDemand]: 152/168 looper letters, 35 selfloop transitions, 12 changer transitions 0/148 dead transitions. [2023-11-29 02:58:52,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 148 transitions, 405 flow [2023-11-29 02:58:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2023-11-29 02:58:52,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7797619047619048 [2023-11-29 02:58:52,098 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 393 transitions. [2023-11-29 02:58:52,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 393 transitions. [2023-11-29 02:58:52,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:52,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 393 transitions. [2023-11-29 02:58:52,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,103 INFO L175 Difference]: Start difference. First operand has 131 places, 127 transitions, 264 flow. Second operand 3 states and 393 transitions. [2023-11-29 02:58:52,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 148 transitions, 405 flow [2023-11-29 02:58:52,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 148 transitions, 405 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:52,107 INFO L231 Difference]: Finished difference. Result has 135 places, 139 transitions, 368 flow [2023-11-29 02:58:52,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=135, PETRI_TRANSITIONS=139} [2023-11-29 02:58:52,108 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -29 predicate places. [2023-11-29 02:58:52,109 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 139 transitions, 368 flow [2023-11-29 02:58:52,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:52,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:52,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:58:52,110 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:58:52,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1126020917, now seen corresponding path program 1 times [2023-11-29 02:58:52,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:52,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405722450] [2023-11-29 02:58:52,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:52,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405722450] [2023-11-29 02:58:52,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405722450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:52,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:52,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:52,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129843082] [2023-11-29 02:58:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:52,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:52,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:52,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:52,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 168 [2023-11-29 02:58:52,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 139 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:52,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 168 [2023-11-29 02:58:52,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:52,503 INFO L124 PetriNetUnfolderBase]: 239/1688 cut-off events. [2023-11-29 02:58:52,503 INFO L125 PetriNetUnfolderBase]: For 374/395 co-relation queries the response was YES. [2023-11-29 02:58:52,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2593 conditions, 1688 events. 239/1688 cut-off events. For 374/395 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 14081 event pairs, 111 based on Foata normal form. 3/1451 useless extension candidates. Maximal degree in co-relation 2586. Up to 431 conditions per place. [2023-11-29 02:58:52,517 INFO L140 encePairwiseOnDemand]: 160/168 looper letters, 35 selfloop transitions, 10 changer transitions 0/152 dead transitions. [2023-11-29 02:58:52,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 152 transitions, 509 flow [2023-11-29 02:58:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2023-11-29 02:58:52,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-29 02:58:52,520 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2023-11-29 02:58:52,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2023-11-29 02:58:52,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:52,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2023-11-29 02:58:52,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,524 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,524 INFO L175 Difference]: Start difference. First operand has 135 places, 139 transitions, 368 flow. Second operand 3 states and 384 transitions. [2023-11-29 02:58:52,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 152 transitions, 509 flow [2023-11-29 02:58:52,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 152 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:52,531 INFO L231 Difference]: Finished difference. Result has 137 places, 147 transitions, 430 flow [2023-11-29 02:58:52,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=137, PETRI_TRANSITIONS=147} [2023-11-29 02:58:52,532 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -27 predicate places. [2023-11-29 02:58:52,532 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 147 transitions, 430 flow [2023-11-29 02:58:52,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:52,533 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:52,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:58:52,533 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:58:52,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:52,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2127465180, now seen corresponding path program 1 times [2023-11-29 02:58:52,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:52,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132644156] [2023-11-29 02:58:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:52,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:58:52,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:58:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:58:52,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:58:52,564 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:58:52,564 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2023-11-29 02:58:52,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2023-11-29 02:58:52,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2023-11-29 02:58:52,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2023-11-29 02:58:52,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2023-11-29 02:58:52,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2023-11-29 02:58:52,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2023-11-29 02:58:52,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2023-11-29 02:58:52,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2023-11-29 02:58:52,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2023-11-29 02:58:52,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2023-11-29 02:58:52,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2023-11-29 02:58:52,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2023-11-29 02:58:52,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2023-11-29 02:58:52,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2023-11-29 02:58:52,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2023-11-29 02:58:52,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2023-11-29 02:58:52,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2023-11-29 02:58:52,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2023-11-29 02:58:52,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2023-11-29 02:58:52,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2023-11-29 02:58:52,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2023-11-29 02:58:52,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:58:52,571 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 02:58:52,571 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 02:58:52,571 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-29 02:58:52,611 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 02:58:52,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 239 transitions, 496 flow [2023-11-29 02:58:52,674 INFO L124 PetriNetUnfolderBase]: 16/276 cut-off events. [2023-11-29 02:58:52,674 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:58:52,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 276 events. 16/276 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 966 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 223. Up to 8 conditions per place. [2023-11-29 02:58:52,676 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 239 transitions, 496 flow [2023-11-29 02:58:52,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 239 transitions, 496 flow [2023-11-29 02:58:52,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:58:52,684 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48b703f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:58:52,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-11-29 02:58:52,687 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:58:52,687 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2023-11-29 02:58:52,688 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:58:52,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:52,688 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:52,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:58:52,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:52,688 INFO L85 PathProgramCache]: Analyzing trace with hash 145828896, now seen corresponding path program 1 times [2023-11-29 02:58:52,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:52,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681367772] [2023-11-29 02:58:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:52,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:52,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681367772] [2023-11-29 02:58:52,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681367772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:52,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:52,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:58:52,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924472663] [2023-11-29 02:58:52,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:52,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:58:52,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:52,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:58:52,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:58:52,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 239 [2023-11-29 02:58:52,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 239 transitions, 496 flow. Second operand has 2 states, 2 states have (on average 184.0) internal successors, (368), 2 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:52,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 239 [2023-11-29 02:58:52,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:52,965 INFO L124 PetriNetUnfolderBase]: 250/1734 cut-off events. [2023-11-29 02:58:52,965 INFO L125 PetriNetUnfolderBase]: For 136/136 co-relation queries the response was YES. [2023-11-29 02:58:52,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2210 conditions, 1734 events. 250/1734 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 14084 event pairs, 161 based on Foata normal form. 417/1853 useless extension candidates. Maximal degree in co-relation 1662. Up to 378 conditions per place. [2023-11-29 02:58:52,981 INFO L140 encePairwiseOnDemand]: 201/239 looper letters, 15 selfloop transitions, 0 changer transitions 0/181 dead transitions. [2023-11-29 02:58:52,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 181 transitions, 410 flow [2023-11-29 02:58:52,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:58:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 02:58:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 419 transitions. [2023-11-29 02:58:52,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8765690376569037 [2023-11-29 02:58:52,983 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 419 transitions. [2023-11-29 02:58:52,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 419 transitions. [2023-11-29 02:58:52,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:52,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 419 transitions. [2023-11-29 02:58:52,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 209.5) internal successors, (419), 2 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,987 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,987 INFO L175 Difference]: Start difference. First operand has 233 places, 239 transitions, 496 flow. Second operand 2 states and 419 transitions. [2023-11-29 02:58:52,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 181 transitions, 410 flow [2023-11-29 02:58:52,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 181 transitions, 408 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:52,991 INFO L231 Difference]: Finished difference. Result has 186 places, 181 transitions, 378 flow [2023-11-29 02:58:52,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=378, PETRI_PLACES=186, PETRI_TRANSITIONS=181} [2023-11-29 02:58:52,992 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -47 predicate places. [2023-11-29 02:58:52,992 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 181 transitions, 378 flow [2023-11-29 02:58:52,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 184.0) internal successors, (368), 2 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:52,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:52,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:52,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:58:52,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:58:52,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:52,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1592322173, now seen corresponding path program 1 times [2023-11-29 02:58:52,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:52,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019587683] [2023-11-29 02:58:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:52,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:53,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:53,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019587683] [2023-11-29 02:58:53,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019587683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:53,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:53,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465783295] [2023-11-29 02:58:53,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:53,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:53,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:53,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:53,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:53,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2023-11-29 02:58:53,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 181 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:53,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:53,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2023-11-29 02:58:53,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:55,983 INFO L124 PetriNetUnfolderBase]: 5416/22445 cut-off events. [2023-11-29 02:58:55,983 INFO L125 PetriNetUnfolderBase]: For 634/634 co-relation queries the response was YES. [2023-11-29 02:58:56,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31712 conditions, 22445 events. 5416/22445 cut-off events. For 634/634 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 290981 event pairs, 1708 based on Foata normal form. 0/18967 useless extension candidates. Maximal degree in co-relation 31706. Up to 5479 conditions per place. [2023-11-29 02:58:56,154 INFO L140 encePairwiseOnDemand]: 215/239 looper letters, 53 selfloop transitions, 18 changer transitions 0/213 dead transitions. [2023-11-29 02:58:56,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 213 transitions, 594 flow [2023-11-29 02:58:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2023-11-29 02:58:56,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7726638772663877 [2023-11-29 02:58:56,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 554 transitions. [2023-11-29 02:58:56,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 554 transitions. [2023-11-29 02:58:56,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:56,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 554 transitions. [2023-11-29 02:58:56,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:56,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:56,163 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:56,163 INFO L175 Difference]: Start difference. First operand has 186 places, 181 transitions, 378 flow. Second operand 3 states and 554 transitions. [2023-11-29 02:58:56,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 213 transitions, 594 flow [2023-11-29 02:58:56,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 213 transitions, 594 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:56,169 INFO L231 Difference]: Finished difference. Result has 190 places, 199 transitions, 534 flow [2023-11-29 02:58:56,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=190, PETRI_TRANSITIONS=199} [2023-11-29 02:58:56,170 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -43 predicate places. [2023-11-29 02:58:56,170 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 199 transitions, 534 flow [2023-11-29 02:58:56,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:56,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:56,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:56,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:58:56,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:58:56,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:56,171 INFO L85 PathProgramCache]: Analyzing trace with hash -951991776, now seen corresponding path program 1 times [2023-11-29 02:58:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:56,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343217438] [2023-11-29 02:58:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:58:56,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:56,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343217438] [2023-11-29 02:58:56,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343217438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:56,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:56,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:56,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977157310] [2023-11-29 02:58:56,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:56,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:56,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:56,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:56,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:56,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 239 [2023-11-29 02:58:56,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 199 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:56,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:56,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 239 [2023-11-29 02:58:56,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:59,258 INFO L124 PetriNetUnfolderBase]: 7441/32399 cut-off events. [2023-11-29 02:58:59,258 INFO L125 PetriNetUnfolderBase]: For 9009/9946 co-relation queries the response was YES. [2023-11-29 02:58:59,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52954 conditions, 32399 events. 7441/32399 cut-off events. For 9009/9946 co-relation queries the response was YES. Maximal size of possible extension queue 904. Compared 449454 event pairs, 3521 based on Foata normal form. 56/27473 useless extension candidates. Maximal degree in co-relation 52946. Up to 9738 conditions per place. [2023-11-29 02:58:59,443 INFO L140 encePairwiseOnDemand]: 227/239 looper letters, 53 selfloop transitions, 20 changer transitions 0/227 dead transitions. [2023-11-29 02:58:59,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 227 transitions, 794 flow [2023-11-29 02:58:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2023-11-29 02:58:59,445 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7656903765690377 [2023-11-29 02:58:59,445 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2023-11-29 02:58:59,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2023-11-29 02:58:59,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:59,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2023-11-29 02:58:59,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:59,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:59,448 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:59,449 INFO L175 Difference]: Start difference. First operand has 190 places, 199 transitions, 534 flow. Second operand 3 states and 549 transitions. [2023-11-29 02:58:59,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 227 transitions, 794 flow [2023-11-29 02:58:59,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 227 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:59,464 INFO L231 Difference]: Finished difference. Result has 192 places, 217 transitions, 684 flow [2023-11-29 02:58:59,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=192, PETRI_TRANSITIONS=217} [2023-11-29 02:58:59,465 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -41 predicate places. [2023-11-29 02:58:59,465 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 217 transitions, 684 flow [2023-11-29 02:58:59,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:59,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:59,466 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:58:59,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:58:59,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:58:59,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:59,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2018191098, now seen corresponding path program 1 times [2023-11-29 02:58:59,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:59,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409974310] [2023-11-29 02:58:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:58:59,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409974310] [2023-11-29 02:58:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409974310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:59,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:59,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950852740] [2023-11-29 02:58:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:59,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:59,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:59,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 239 [2023-11-29 02:58:59,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 217 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:58:59,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:59,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 239 [2023-11-29 02:58:59,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:03,121 INFO L124 PetriNetUnfolderBase]: 9199/37611 cut-off events. [2023-11-29 02:59:03,121 INFO L125 PetriNetUnfolderBase]: For 15791/17557 co-relation queries the response was YES. [2023-11-29 02:59:03,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65419 conditions, 37611 events. 9199/37611 cut-off events. For 15791/17557 co-relation queries the response was YES. Maximal size of possible extension queue 1117. Compared 527936 event pairs, 3928 based on Foata normal form. 64/31634 useless extension candidates. Maximal degree in co-relation 65410. Up to 11807 conditions per place. [2023-11-29 02:59:03,359 INFO L140 encePairwiseOnDemand]: 227/239 looper letters, 66 selfloop transitions, 28 changer transitions 0/250 dead transitions. [2023-11-29 02:59:03,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 250 transitions, 1035 flow [2023-11-29 02:59:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2023-11-29 02:59:03,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7642956764295676 [2023-11-29 02:59:03,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2023-11-29 02:59:03,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2023-11-29 02:59:03,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:03,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2023-11-29 02:59:03,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:03,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:03,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:03,365 INFO L175 Difference]: Start difference. First operand has 192 places, 217 transitions, 684 flow. Second operand 3 states and 548 transitions. [2023-11-29 02:59:03,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 250 transitions, 1035 flow [2023-11-29 02:59:03,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 250 transitions, 979 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:03,430 INFO L231 Difference]: Finished difference. Result has 194 places, 241 transitions, 930 flow [2023-11-29 02:59:03,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=930, PETRI_PLACES=194, PETRI_TRANSITIONS=241} [2023-11-29 02:59:03,431 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -39 predicate places. [2023-11-29 02:59:03,431 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 241 transitions, 930 flow [2023-11-29 02:59:03,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:03,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:03,432 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:03,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:59:03,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:59:03,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:03,432 INFO L85 PathProgramCache]: Analyzing trace with hash 814969066, now seen corresponding path program 1 times [2023-11-29 02:59:03,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:03,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839007083] [2023-11-29 02:59:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:59:03,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:03,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839007083] [2023-11-29 02:59:03,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839007083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:03,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:03,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:03,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520496244] [2023-11-29 02:59:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:03,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:03,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:03,507 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 239 [2023-11-29 02:59:03,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 241 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:03,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:03,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 239 [2023-11-29 02:59:03,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:08,222 INFO L124 PetriNetUnfolderBase]: 10354/45027 cut-off events. [2023-11-29 02:59:08,222 INFO L125 PetriNetUnfolderBase]: For 9767/10803 co-relation queries the response was YES. [2023-11-29 02:59:08,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73371 conditions, 45027 events. 10354/45027 cut-off events. For 9767/10803 co-relation queries the response was YES. Maximal size of possible extension queue 1433. Compared 665879 event pairs, 3887 based on Foata normal form. 60/38501 useless extension candidates. Maximal degree in co-relation 73361. Up to 9599 conditions per place. [2023-11-29 02:59:08,742 INFO L140 encePairwiseOnDemand]: 224/239 looper letters, 44 selfloop transitions, 12 changer transitions 0/267 dead transitions. [2023-11-29 02:59:08,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 267 transitions, 1104 flow [2023-11-29 02:59:08,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-29 02:59:08,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7852161785216178 [2023-11-29 02:59:08,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-29 02:59:08,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-29 02:59:08,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:08,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-29 02:59:08,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:08,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:08,748 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:08,748 INFO L175 Difference]: Start difference. First operand has 194 places, 241 transitions, 930 flow. Second operand 3 states and 563 transitions. [2023-11-29 02:59:08,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 267 transitions, 1104 flow [2023-11-29 02:59:08,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 267 transitions, 1048 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:08,781 INFO L231 Difference]: Finished difference. Result has 196 places, 253 transitions, 976 flow [2023-11-29 02:59:08,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=976, PETRI_PLACES=196, PETRI_TRANSITIONS=253} [2023-11-29 02:59:08,782 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -37 predicate places. [2023-11-29 02:59:08,782 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 253 transitions, 976 flow [2023-11-29 02:59:08,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:08,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:08,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:08,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:59:08,783 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:59:08,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash -506775728, now seen corresponding path program 1 times [2023-11-29 02:59:08,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:08,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464648193] [2023-11-29 02:59:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:08,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:59:08,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:08,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464648193] [2023-11-29 02:59:08,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464648193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:08,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:08,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:08,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34114294] [2023-11-29 02:59:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:08,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:08,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:08,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:08,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 239 [2023-11-29 02:59:08,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 253 transitions, 976 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:08,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:08,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 239 [2023-11-29 02:59:08,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:11,868 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([955] L705-2-->L705-3: Formula: (= |v_thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~COND~0_1|) InVars {thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1_5|, #race~COND~0=|v_#race~COND~0_1|} AuxVars[] AssignedVars[#race~COND~0][114], [thr1Thread1of3ForFork0InUse, Black: 259#(= |#race~COND~0| 0), thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 263#true, 158#L717-5true, Black: 239#true, 179#L709true, 236#true, 160#L705-3true, Black: 247#(= |thr1Thread1of3ForFork0_Barrier2_#t~nondet6#1| |#race~count~0|), 76#L703-5true, 257#true, Black: 253#(= |#race~count~0| |thr1Thread2of3ForFork0_Barrier2_#t~nondet6#1|)]) [2023-11-29 02:59:11,868 INFO L294 olderBase$Statistics]: this new event has 89 ancestors and is cut-off event [2023-11-29 02:59:11,868 INFO L297 olderBase$Statistics]: existing Event has 84 ancestors and is cut-off event [2023-11-29 02:59:11,868 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 02:59:11,868 INFO L297 olderBase$Statistics]: existing Event has 84 ancestors and is cut-off event [2023-11-29 02:59:11,868 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([952] L708-->L708-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_129 256) 1) 1 0) 0)) (= v_~MTX~0_128 0)) InVars {~MTX~0=v_~MTX~0_129} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_7|, #race~MTX~0=|v_#race~MTX~0_159|, ~MTX~0=v_~MTX~0_128, thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[~MTX~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][97], [Black: 259#(= |#race~COND~0| 0), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 263#true, 158#L717-5true, Black: 239#true, 179#L709true, 236#true, Black: 247#(= |thr1Thread1of3ForFork0_Barrier2_#t~nondet6#1| |#race~count~0|), 76#L703-5true, 257#true, 23#L708-1true, Black: 253#(= |#race~count~0| |thr1Thread2of3ForFork0_Barrier2_#t~nondet6#1|)]) [2023-11-29 02:59:11,868 INFO L294 olderBase$Statistics]: this new event has 87 ancestors and is cut-off event [2023-11-29 02:59:11,869 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 02:59:11,869 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 02:59:11,869 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 02:59:12,020 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([955] L705-2-->L705-3: Formula: (= |v_thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~COND~0_1|) InVars {thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of3ForFork0_Barrier2_#t~nondet7#1_5|, #race~COND~0=|v_#race~COND~0_1|} AuxVars[] AssignedVars[#race~COND~0][114], [Black: 259#(= |#race~COND~0| 0), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 263#true, 158#L717-5true, Black: 239#true, 236#true, 160#L705-3true, Black: 247#(= |thr1Thread1of3ForFork0_Barrier2_#t~nondet6#1| |#race~count~0|), 76#L703-5true, 257#true, 169#L712true, Black: 253#(= |#race~count~0| |thr1Thread2of3ForFork0_Barrier2_#t~nondet6#1|)]) [2023-11-29 02:59:12,020 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 02:59:12,020 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-29 02:59:12,020 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 02:59:12,021 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-29 02:59:12,021 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([952] L708-->L708-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_129 256) 1) 1 0) 0)) (= v_~MTX~0_128 0)) InVars {~MTX~0=v_~MTX~0_129} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_7|, #race~MTX~0=|v_#race~MTX~0_159|, ~MTX~0=v_~MTX~0_128, thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_7|} AuxVars[] AssignedVars[~MTX~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, #race~MTX~0, thr1Thread2of3ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][97], [Black: 259#(= |#race~COND~0| 0), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 263#true, 158#L717-5true, Black: 239#true, 236#true, Black: 247#(= |thr1Thread1of3ForFork0_Barrier2_#t~nondet6#1| |#race~count~0|), 76#L703-5true, 257#true, 169#L712true, Black: 253#(= |#race~count~0| |thr1Thread2of3ForFork0_Barrier2_#t~nondet6#1|), 23#L708-1true]) [2023-11-29 02:59:12,021 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is cut-off event [2023-11-29 02:59:12,021 INFO L297 olderBase$Statistics]: existing Event has 83 ancestors and is cut-off event [2023-11-29 02:59:12,021 INFO L297 olderBase$Statistics]: existing Event has 83 ancestors and is cut-off event [2023-11-29 02:59:12,021 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 02:59:14,352 INFO L124 PetriNetUnfolderBase]: 12286/52882 cut-off events. [2023-11-29 02:59:14,352 INFO L125 PetriNetUnfolderBase]: For 18257/20555 co-relation queries the response was YES. [2023-11-29 02:59:14,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94731 conditions, 52882 events. 12286/52882 cut-off events. For 18257/20555 co-relation queries the response was YES. Maximal size of possible extension queue 1654. Compared 798062 event pairs, 5643 based on Foata normal form. 115/45569 useless extension candidates. Maximal degree in co-relation 94720. Up to 15115 conditions per place. [2023-11-29 02:59:14,879 INFO L140 encePairwiseOnDemand]: 229/239 looper letters, 47 selfloop transitions, 16 changer transitions 0/277 dead transitions. [2023-11-29 02:59:14,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 277 transitions, 1196 flow [2023-11-29 02:59:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 02:59:14,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7712691771269177 [2023-11-29 02:59:14,882 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 02:59:14,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 02:59:14,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:14,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 02:59:14,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:14,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:14,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:14,887 INFO L175 Difference]: Start difference. First operand has 196 places, 253 transitions, 976 flow. Second operand 3 states and 553 transitions. [2023-11-29 02:59:14,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 277 transitions, 1196 flow [2023-11-29 02:59:15,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 277 transitions, 1160 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:15,053 INFO L231 Difference]: Finished difference. Result has 198 places, 267 transitions, 1098 flow [2023-11-29 02:59:15,054 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=198, PETRI_TRANSITIONS=267} [2023-11-29 02:59:15,054 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -35 predicate places. [2023-11-29 02:59:15,055 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 267 transitions, 1098 flow [2023-11-29 02:59:15,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:15,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:15,055 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:15,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:59:15,055 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 02:59:15,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash -683610638, now seen corresponding path program 1 times [2023-11-29 02:59:15,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:15,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717315044] [2023-11-29 02:59:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:15,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:59:15,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:59:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:59:15,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:59:15,084 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:59:15,084 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2023-11-29 02:59:15,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2023-11-29 02:59:15,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2023-11-29 02:59:15,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2023-11-29 02:59:15,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2023-11-29 02:59:15,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2023-11-29 02:59:15,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2023-11-29 02:59:15,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2023-11-29 02:59:15,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2023-11-29 02:59:15,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2023-11-29 02:59:15,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2023-11-29 02:59:15,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2023-11-29 02:59:15,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2023-11-29 02:59:15,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:59:15,091 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:15,092 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 02:59:15,092 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-11-29 02:59:15,131 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 02:59:15,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 302 places, 310 transitions, 648 flow [2023-11-29 02:59:15,180 INFO L124 PetriNetUnfolderBase]: 21/360 cut-off events. [2023-11-29 02:59:15,181 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 02:59:15,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 360 events. 21/360 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1428 event pairs, 0 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 293. Up to 10 conditions per place. [2023-11-29 02:59:15,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 302 places, 310 transitions, 648 flow [2023-11-29 02:59:15,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 302 places, 310 transitions, 648 flow [2023-11-29 02:59:15,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:59:15,190 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48b703f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:59:15,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-11-29 02:59:15,192 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:59:15,192 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2023-11-29 02:59:15,192 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:59:15,192 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:15,192 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:15,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-29 02:59:15,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:15,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1963024096, now seen corresponding path program 1 times [2023-11-29 02:59:15,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:15,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492807918] [2023-11-29 02:59:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:15,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:59:15,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492807918] [2023-11-29 02:59:15,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492807918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:15,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:15,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:59:15,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156160580] [2023-11-29 02:59:15,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:15,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:59:15,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:15,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:59:15,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:59:15,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 310 [2023-11-29 02:59:15,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 310 transitions, 648 flow. Second operand has 2 states, 2 states have (on average 237.0) internal successors, (474), 2 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:15,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:15,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 310 [2023-11-29 02:59:15,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:16,166 INFO L124 PetriNetUnfolderBase]: 1933/8420 cut-off events. [2023-11-29 02:59:16,166 INFO L125 PetriNetUnfolderBase]: For 1169/1169 co-relation queries the response was YES. [2023-11-29 02:59:16,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11625 conditions, 8420 events. 1933/8420 cut-off events. For 1169/1169 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 92216 event pairs, 1329 based on Foata normal form. 2648/9700 useless extension candidates. Maximal degree in co-relation 8699. Up to 2591 conditions per place. [2023-11-29 02:59:16,375 INFO L140 encePairwiseOnDemand]: 260/310 looper letters, 20 selfloop transitions, 0 changer transitions 0/235 dead transitions. [2023-11-29 02:59:16,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 235 transitions, 538 flow [2023-11-29 02:59:16,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:59:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 02:59:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 542 transitions. [2023-11-29 02:59:16,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8741935483870967 [2023-11-29 02:59:16,377 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 542 transitions. [2023-11-29 02:59:16,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 542 transitions. [2023-11-29 02:59:16,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:16,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 542 transitions. [2023-11-29 02:59:16,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 271.0) internal successors, (542), 2 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:16,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:16,381 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:16,381 INFO L175 Difference]: Start difference. First operand has 302 places, 310 transitions, 648 flow. Second operand 2 states and 542 transitions. [2023-11-29 02:59:16,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 235 transitions, 538 flow [2023-11-29 02:59:16,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 235 transitions, 532 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-29 02:59:16,387 INFO L231 Difference]: Finished difference. Result has 241 places, 235 transitions, 492 flow [2023-11-29 02:59:16,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=235} [2023-11-29 02:59:16,388 INFO L281 CegarLoopForPetriNet]: 302 programPoint places, -61 predicate places. [2023-11-29 02:59:16,388 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 235 transitions, 492 flow [2023-11-29 02:59:16,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 237.0) internal successors, (474), 2 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:16,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:16,388 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:16,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:59:16,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-29 02:59:16,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash -975471613, now seen corresponding path program 1 times [2023-11-29 02:59:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170871562] [2023-11-29 02:59:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:59:16,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170871562] [2023-11-29 02:59:16,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170871562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:16,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:16,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:16,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847121015] [2023-11-29 02:59:16,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:16,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:16,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:16,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:16,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:16,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 310 [2023-11-29 02:59:16,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 235 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:16,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:16,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 310 [2023-11-29 02:59:16,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:54,071 INFO L124 PetriNetUnfolderBase]: 120587/359203 cut-off events. [2023-11-29 02:59:54,072 INFO L125 PetriNetUnfolderBase]: For 9751/9751 co-relation queries the response was YES. [2023-11-29 02:59:55,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536396 conditions, 359203 events. 120587/359203 cut-off events. For 9751/9751 co-relation queries the response was YES. Maximal size of possible extension queue 9084. Compared 5973202 event pairs, 41904 based on Foata normal form. 0/303092 useless extension candidates. Maximal degree in co-relation 536389. Up to 103408 conditions per place. [2023-11-29 02:59:57,152 INFO L140 encePairwiseOnDemand]: 278/310 looper letters, 71 selfloop transitions, 24 changer transitions 0/278 dead transitions. [2023-11-29 02:59:57,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 278 transitions, 783 flow [2023-11-29 02:59:57,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2023-11-29 02:59:57,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7688172043010753 [2023-11-29 02:59:57,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions. [2023-11-29 02:59:57,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions. [2023-11-29 02:59:57,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:57,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions. [2023-11-29 02:59:57,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:57,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:57,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:57,159 INFO L175 Difference]: Start difference. First operand has 241 places, 235 transitions, 492 flow. Second operand 3 states and 715 transitions. [2023-11-29 02:59:57,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 278 transitions, 783 flow [2023-11-29 02:59:57,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 278 transitions, 783 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:59:57,170 INFO L231 Difference]: Finished difference. Result has 245 places, 259 transitions, 700 flow [2023-11-29 02:59:57,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=245, PETRI_TRANSITIONS=259} [2023-11-29 02:59:57,170 INFO L281 CegarLoopForPetriNet]: 302 programPoint places, -57 predicate places. [2023-11-29 02:59:57,171 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 259 transitions, 700 flow [2023-11-29 02:59:57,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:57,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:57,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:57,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:59:57,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-29 02:59:57,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1851420644, now seen corresponding path program 1 times [2023-11-29 02:59:57,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:57,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536307649] [2023-11-29 02:59:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:57,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:59:57,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:57,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536307649] [2023-11-29 02:59:57,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536307649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:57,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:57,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:57,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817416364] [2023-11-29 02:59:57,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:57,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:57,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:57,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:57,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:57,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 310 [2023-11-29 02:59:57,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 259 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:59:57,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:57,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 310 [2023-11-29 02:59:57,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:00:21,407 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1109] L703-4-->L703-5: Formula: (= |v_thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1_5| |v_#race~count~0_4|) InVars {thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1_5|} AuxVars[] AssignedVars[#race~count~0][183], [308#true, 59#L703-6true, 314#true, 243#L703-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, 78#L709true, Black: 310#(= |#race~count~0| 0), 198#L717-5true, 245#L703-5true]) [2023-11-29 03:00:21,407 INFO L294 olderBase$Statistics]: this new event has 93 ancestors and is cut-off event [2023-11-29 03:00:21,407 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-29 03:00:21,407 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 03:00:21,408 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 03:00:21,408 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1319] L703-4-->L703-5: Formula: (= |v_thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1_5| |v_#race~count~0_4|) InVars {thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1_5|} AuxVars[] AssignedVars[#race~count~0][117], [308#true, 59#L703-6true, 314#true, thr1Thread1of4ForFork0InUse, 186#L703-1true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, 182#L703-5true, 78#L709true, Black: 310#(= |#race~count~0| 0), 198#L717-5true]) [2023-11-29 03:00:21,408 INFO L294 olderBase$Statistics]: this new event has 93 ancestors and is cut-off event [2023-11-29 03:00:21,408 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-29 03:00:21,408 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 03:00:21,408 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 03:00:33,657 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1109] L703-4-->L703-5: Formula: (= |v_thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1_5| |v_#race~count~0_4|) InVars {thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet6#1_5|} AuxVars[] AssignedVars[#race~count~0][183], [308#true, 314#true, 59#L703-6true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, 200#L704-2true, 165#L709true, Black: 310#(= |#race~count~0| 0), 198#L717-5true, 245#L703-5true]) [2023-11-29 03:00:33,657 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2023-11-29 03:00:33,657 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-29 03:00:33,657 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-29 03:00:33,657 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-29 03:00:33,672 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1319] L703-4-->L703-5: Formula: (= |v_thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1_5| |v_#race~count~0_4|) InVars {thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet6#1_5|} AuxVars[] AssignedVars[#race~count~0][117], [120#L709true, 308#true, 59#L703-6true, 314#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, 182#L703-5true, 200#L704-2true, Black: 310#(= |#race~count~0| 0), 198#L717-5true]) [2023-11-29 03:00:33,672 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2023-11-29 03:00:33,672 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-29 03:00:33,672 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-29 03:00:33,672 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-29 03:00:36,415 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1208] L706-2-->L706-3: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5| |v_#race~count~0_10|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|} OutVars{#race~count~0=|v_#race~count~0_10|, thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|} AuxVars[] AssignedVars[#race~count~0][297], [308#true, 59#L703-6true, 314#true, thr1Thread1of4ForFork0InUse, 186#L703-1true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, 165#L709true, Black: 310#(= |#race~count~0| 0), 198#L717-5true, 280#L706-3true]) [2023-11-29 03:00:36,415 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2023-11-29 03:00:36,415 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-29 03:00:36,415 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-29 03:00:36,415 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-29 03:00:36,446 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1208] L706-2-->L706-3: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5| |v_#race~count~0_10|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|} OutVars{#race~count~0=|v_#race~count~0_10|, thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|} AuxVars[] AssignedVars[#race~count~0][297], [120#L709true, 308#true, 59#L703-6true, 314#true, 243#L703-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, Black: 310#(= |#race~count~0| 0), 198#L717-5true, 280#L706-3true]) [2023-11-29 03:00:36,447 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2023-11-29 03:00:36,447 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-29 03:00:36,447 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-29 03:00:36,447 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2023-11-29 03:00:47,550 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1348] L706-2-->L706-3: Formula: (= |v_thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1_5| |v_#race~count~0_10|) InVars {thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1_5|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~count~0=|v_#race~count~0_10|} AuxVars[] AssignedVars[#race~count~0][245], [120#L709true, 308#true, 314#true, 59#L703-6true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 239#L706-3true, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, 200#L704-2true, Black: 310#(= |#race~count~0| 0), 198#L717-5true]) [2023-11-29 03:00:47,550 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2023-11-29 03:00:47,550 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 03:00:47,550 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 03:00:47,550 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 03:00:47,601 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1208] L706-2-->L706-3: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5| |v_#race~count~0_10|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|} OutVars{#race~count~0=|v_#race~count~0_10|, thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|} AuxVars[] AssignedVars[#race~count~0][297], [120#L709true, 308#true, 37#L704-2true, 59#L703-6true, 314#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 305#true, thr1Thread4of4ForFork0InUse, Black: 310#(= |#race~count~0| 0), 198#L717-5true, 280#L706-3true]) [2023-11-29 03:00:47,601 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2023-11-29 03:00:47,602 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 03:00:47,602 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 03:00:47,602 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event